Instruction/ maintenance manual of the product 3600 Black Box
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3600 Mod em Us er ’ s G ui d e.
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Modem 3 600 1- 1 Ch apte r 1 In tr o ductio n The Mode m 3600 pro vides s ynchronous, asynchr onous , an d fax capa bilit ies for data commun icat ions or f a csimi le links between a local compute r a nd a remot e compu ter , fax, or data terminal equipme nt (DTE) loca ted anywhe re a sta ndard or c ellul a r tele phone can reach.
Intr oduction 1- 2 Modem 36 00 Features The Modem 360 0 is a fl exible telecom m unica tions tool t ha t of fers th e follo wing standa rd fe ature s. Data Mode • Ful l-duple x operation on tw o- wi.
I ntroducti on Modem 36 00 1-3 • Call er ID • Dist incti ve ring • Multi ple l ev els of secu rity wi th auto ca llbac k a nd pass word pr otect ion a n d up to 5 0 u s ers • Autom a ti c s pe.
Intr oduction 1- 4 Modem 36 00 Description Functiona l The Mod em 3600 pr o ces ses seria l a syn chr o nous data fr om a DTE at a ll standa rd rates from 300 bps to 230. 4 kbps*, and serial s ynchronous data at rat es from 300 to 33.6 kb ps. Tran smission can b e over eith er dial-u p line s or eit her two- o r four -wire le a se d lines.
I ntroducti on Modem 36 00 1-5 The Mode m 360 0 rear pa nel has an EIA-232 DTE c onn e ctor , an 8-pin TELSET/L E ASED L INE jack , an 8-pin DIAL jack, the power swi tch, fuse, and c ord (Fi g ure 1-2).
Intr oduction 1- 6 Modem 36 00 Mo dem 3600 C a rd The shelf- mount Mo dem 3 600 unit (Figu r e 1-3) has edge connecto rs t hat i nsert i nto the shel f bac kpl ane . The shel f b ackpla ne per forms t he sa me fu nc t ions as the stand a lo ne re ar panel.
Modem 3 600 2- 1 Ch apte r 2 Insta llat io n This chapte r pro vid es infor mati on on m ech an ical a nd electr ica l ins ta l lati on of the mo dem. Mounting Accessories W e have inc lu d ed bot h se lf- a dh es ive fe et a nd an a d h esive- b ac ke d hook and l oo p fa sten er .
Inst allation 2- 2 Modem 36 00 Electrical Installation The rear panel (Figure 2- 1) include s DTE c abl e and telephon e line conne c t ors. Figure 2-1. Rear Panel Conn ections ( 115 Va c Model) A C P ower Connection Po wer is suppl i ed through a 6-f oot li n e cord wit h a grounded 3-wi re plug.
Inst allation Modem 36 00 2-3 Figure 2-2. D igital In terf a ce Signals.
Inst allation 2- 4 Modem 36 00 T abl e 2- 1. P in Sign al Descr ipt ion s Pin EI A- 232D CCITT V .24 Sign al Descrip tion 1 101 Shie ld No con necti on 2 BA 103 T rans- mi tt ed Data Serial digi tal d.
Inst allation Modem 36 00 2-5 7 AB 102 Signal Ground Sign al or common s i gna l and d c powe r ground. ** 8 CF 109 Recei ve d Lin e Signal Detector A pos iti ve le ve l from the mo dem indic ating the pre se nce of a recei ved s ignal (ca rri er det e ct).
Inst allation 2- 6 Modem 36 00 T elephone Line Connection The mode m operat e s in these li ne -r e late d modes: • Dial • Lease d 20 CD 108.2 Data Te r m i - nal Read y This cir cuit is posi t ive when th e DTE is rea dy to o rigi nate or an s we r a ca ll in dial -up o pera tion.
Inst allation Modem 36 00 2-7 Dial M od e: PSTN Conne ctio n (DIAL j ack) The pub lic swi tched telephon e ne tw or k (PSTN) is a two-wire di al netw ork. Mo de ms are regi stered with the F ederal Communic ations Co mmiss ion (FC C) for dire ct conne ction to the PSTN.
Inst allation 2- 8 Modem 36 00 Leased Line Connection (TELSET/LEASED LINE J ack) Pri va te or l e as e d lines use four -wire or two-wi re lines. In this mode, the use r conf igure s t he uni t for fo ur -wire or t wo-wir e operatio n, depending on the pri vate line s ervic e used .
Inst allation Modem 36 00 2-9 Figu re 2-4. Leased Line Con n ect ion (115 Vac Model) DTE DI AL TELSET LEAS ED LI NE RJ11C Lease d Line Ja ck T elset Leased Line J ac k Dial (Ma y be used for Dial Bac kup) U s e 8-pin M odular (at mod em end) t o 6-pin Modu lar ( a t RJ11 w all ja ck end) c onnector .
Inst allation 2- 10 Modem 36 00 Shelf-Mount MD1000C Installati on Go to Appendi x C, Hardw a r e Opti ons to che ck the b oa rd option s before ins tallati on. Shelf-m ount Modem 3600 cards s h ould be install ed or rep laced b y pers onnel f amiliar with shel f-m ount i n st allat i on.
Modem 3 600 3- 1 Ch apte r 3 Getti n g St ar ted Option Selection There a re si x ways to change or sele ct optio ns: • LCD - Using t he fron t panel LCD a nd pushbutto ns is s imple, stra ightfor ward, and requi res the least amoun t of techni c al backg round.
Gett ing Star ted 3- 2 Modem 36 00 Placing a Call Th ere a re th ree m et hod s f or pla ci ng a c all: Diali ng w i t h a St a ndar d T e lephone 1) Lift the tele phone recei ver .
Getti ng Started Modem 36 00 3-3 Answering a Call Th er e are t hree w ays to ans wer a ca ll: Au t o a n s w e r i n g Norma lly t he modem is c onf igure d to autoan s wer on the f irs t ring. If a tel ephone is plug ge d into the TELS E T/L E ASE D LINE ja c k, it will also ring.
Gett ing Star ted 3- 4 Modem 36 00 Reasons f or Call T erminati on The c onditio ns des c ri bed i n T a bl e 3-1 cause ca ll t ermination. T ab le 3 -1 . Reasons f or Cal l Te rm i nat io n Conditio n Descri ption Abort Di s conne ct (No answer , busy sig- nal, no modem , etc.
Getti ng Started Modem 36 00 3-5 Mi nim um D CE Sp ee d A co nne ct ion o ccu rred at a rate l ess than mi ni mum. Security Password Failure Maxim um pa ssword e ntry attempts ex ceede d. Securit y Callback Securi ty callba ck is enable d and a ne w remo te con nection i s e sta blished.
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Modem 3 600 4- 1 Ch apte r 4 Fr ont P ane l Operat ion The li quid-cr ystal dis play (LCD) f ront pan e l provi des ea sy r eal -tim e acc ess to modem conf iguratio n and stat us. Y ou can use the LCD at any tim e to mo dify modem options or to get info r mat ion a bout m odem opera tion and s tatus.
Front P anel Oper ation 4- 2 Modem 36 00 LCD Menus Th e Mo d em 36 00 ha s seven m ai n L C D me nus tha t su pport mo dem opera tions. T able 4 -1 list s th em, in the foll owi ng seque nc e: • MOD.
Front P anel Oper ation Modem 36 00 4-3 T able 4-1. LCD Menu O ption Sele ctio n Main Me nu LCD Me ssa g es S- Reg 1M O D E M - ST A TUS V .34 33600 IDLE Shows the current modulation, bit rate, and modem s tatus. (Press NO to advanc e to MAI N 2) S91 S67 Main M enu Subm enu Subm enu Ite m Item Opti on A T Com .
Front P anel Oper ation 4- 4 Modem 36 00 Main M enu Subm enu Subm enu Ite m Item Opt ion AT Com. S- Reg 4, c o n t. SELE CT TEST ? (continued) (On line tes t continued) REMOTE DI GIT AL LO OP † INIT.
Front P anel Oper ation Modem 36 00 4-5 Main M enu Su bmenu Submenu Item Item Opt ion AT Com. S- Reg 5 c o n t. MODI FY CO NF IG U- RA TION? (continued) CHA NGE MODE M OPTIO NS? (continued) CH ANGE M .
Front P anel Oper ation 4- 6 Modem 36 00 Main M enu Subm enu Subm enu Ite m Item Opt ion AT Com. S- Reg 5 c o n t. MODI FY CO NF IG U- RA TION? (continued) CHA NGE MODE M OPTIO NS? (continued) DI AL T.
Front P anel Oper ation Modem 36 00 4-7 Main M enu Subm enu Subm enu Ite m Item Opt ion AT Com. S- Reg 5 c o n t. MODI FY CO NF IG U- RA TION? (continued) CHA NGE PR O TO COL OPTIO NS? (continued) DTE.
Front P anel Oper ation 4- 8 Modem 36 00 Main M enu Su bmenu Subm enu Ite m Item Opt ion AT Com. S- Reg 5 c o n t. MODI FY CO NF IG U- RA TION? (continued) CHA NGE DTE OPTIO NS? (continued) DI AL ME T H OD ASYN C DTR, MANU AL, V .25 BISYNC, V .25 SDLC V .
Front P anel Oper ation Modem 36 00 4-9 Main M enu Su bmenu Subm enu Ite m Item Opt ion AT Com. S- Reg 5 c o n t. MODI FY CO NF IG U- RA TION? (continued) CHA NGE DTE OPTIO NS? (continued) R TS/CTS DE.
Front P anel Oper ation 4- 10 Modem 36 00 Main M enu Subm enu Subm enu Ite m Item Opt ion AT Com. S- Reg 5 c o n t. MODI FY CO NF IG U- RA TION? (continued) CHA NGE SPEA KER OPERA T ION? (continued) S.
Front P anel Oper ation Modem 36 00 4-11 Front P anel Secu rity The F ront P a ne l Securi ty feature pro vides passwo rd protect ion for front pane l m enu ac cess.
Front P anel Oper ation 4- 12 Modem 36 00 Duri ng pass word ent r y, the front pan el buttons o perate as fol low s: • Pres sin g NO ma kes th e char acter at t he curso r change to the n e xt v a li d p as swor d character.
Modem 3 600 5- 1 Ch apte r 5 A T Command s Thi s c hap ter de scr ib es com m and s used t o sele ct o pt ion s an d operat e t h e mode m. Some opt ions depen d o n, or are restr icted b y , t he mode of opera tion. Appe ndix E p rovides a quic k referen ce l i st.
AT Co mm a nds 5- 2 Modem 36 00 Offli ne Command Mode In offline c ommand mode (general ly referred to as command mode), the mode m communica tes wit h the com puter or ter m i n a l. Comman ds can be e n te r ed separate ly or in strin gs. There is no data communica tion link es tablishe d in this mode .
AT Commands Modem 36 00 5-3 Creati ng a Com mand Stat ement AT T o cre ate a com man d s tat emen t u se the fol lowi ng step s: 1) T ype AT . This i s th e Atte ntion Code te lling the u nit a command st atem en t foll ows . 2) T ype the comm a nd. 3) Pre ss the Enter ke y to sen d th e comm and s tat ement to th e mode m.
AT Co mm a nds 5- 4 Modem 36 00 Monitor Displa y As commands are t yped t hey a ppe ar on the monitor so the opera tor can v erify t he inp ut. T his is ca lled loc al ch ar acter ech o. The echo may be turne d on o r of f using A T c om man ds. Refer to th e “ Loca l C har acte r Ech o E ” section on page 5 -22 for details.
AT Commands Modem 36 00 5-5 Numbered Commands Co mman ds t hat s tart wi th the s ame lette r are distin guishe d by a number fo llo wing the le tter . For ex am ple , the M0 com mand sel ects s p eake r alw ays o ff, M1 sp eaker on un til c arr ier d etect ed , and M2 sele ct s spe aker alw ays on.
AT Co mm a nds 5- 6 Modem 36 00 Digit / W or d S ele c tion V The V comm a nd tell s t he modem whic h type of re sponse message to sho w on th e monit or . Some soft wa re r equires di git re sponse mess a ges b ut wor ds ar e easi er to re m e mber .
AT Commands Modem 36 00 5-7 Call Pr ogress / Connect S pe ed Me ssag es X The X co mma nd se le cts re spo ns e code/ message display s and diali ng opt i ons s uch as c all p r ogress m onit ori ng, busy s ign al or dial tone dete ction and bl ind dialin g.
AT Co mm a nds 5- 8 Modem 36 00 The X3 command fo llo wed by a dial c o mmand m a k es the m odem go of f hook, w a it t he amount of time set in re giste r S6 and di a l the number . If a busy si gnal is d etected , the mod em se nds a BUS Y mes sage and ha ngs up .
AT Commands Modem 36 00 5-9 Response Number Codes / Messa g es Res ponse nu mber codes , mess ages, and their me anings are liste d in . The conne c t rates a re serial po rt rates (DTE), no t DCE rates.
AT Co mm a nds 5- 10 Modem 36 00 31 CONNECT 31200 DTE rate 312 00 bps 32 CONNECT 32000 DTE rate 320 00 bps 33 CONNECT 33600 DTE rate 336 00 bps 34 CONNECT 38400 DTE rate 384 00 bps 35 CONNECT 57600 DTE rate 576 00 bps 36 CONNECT 115200 DTE rate 115 200 bps 37 CONNECT 230400 DTE rate 230 400 bps 38 CONNECT 300/V42bi s V .
AT Commands Modem 36 00 5-11 54 CONNECT 32000/ V42bis V .42 b is 32000 bp s con n ect io n 55 CONNECT 33600/ V42bis V .42 b is 33600 bp s con n ect io n 56 CONNECT 38400/ V42bis V .42 b is 38400 bp s con n ect io n 57 CONNECT 57600/ V42bis V .42 b is 57600 bp s con n ect io n 58 CONNECT 115200/ V42bis V .
AT Co mm a nds 5- 12 Modem 36 00 80 CONNECT 11520 0/V42 V .42 115200 bp s conne ct io n 81 CONNECT 23040 0/V42 V .42 230400 bp s conne ct io n 82 CONNECT 300/MNP5 MNP5 300 bps connec tion 83 CONNECT 6.
AT Commands Modem 36 00 5-13 Dial Commands Di al com m a nds l et the mode m ori gin ate a ca ll to anoth er mode m. These com mands can be used with eithe r tone or pulse dial te lephone syste ms. Diali ng D T o dial a nu mb er, fo r e x am ple 555-1212, in se r t the D comma nd in the di al i ng sequenc e .
AT Co mm a nds 5- 14 Modem 36 00 Di al modif ier s a re as foll ow s. T one Dial ing T T o tone di al a number sequenc e, ins ert a T in the di al sequ ence. AT D T 323-1111 In this e xample, the modem tone dia ls the tel ephone number . The dial ing met hod selected remain s in effe ct until cha nged.
AT Commands Modem 36 00 5-15 Hook Fla sh ! T o flas h the s witc hboard, insert an e xclamatio n mark i n the dialing se quence . AT D T 9W 323-8000 ,!, #7 377 This inserts a 0. 5 second on ho ok conditi on, us ually for tra nsferring a ca ll o r s im il ar us e.
AT Co mm a nds 5- 16 Modem 36 00 F or example, you might e nter a dollar a m ount for a ba nking t ra n s act ion by en tering AT D 1400 ; This sends th e sequence 1400 and the n retur ns t o the command m ode fo r furth er entri es, accordin g to the r equ ireme nts of the bankin g serv ice.
AT Commands Modem 36 00 5-17 Manua l Ans w er When t he phone rings, answer b y pressing th e TALK/ D A TA butto n. A T Comma nd Answer A The mo dem c an b e made to a ns we r a ca ll by ent eri ng ATA when t he phone ri ngs. A u toa nswer S0 Autoan s wer is c ontrolled by regi ster S0 .
AT Co mm a nds 5- 18 Modem 36 00 When Caller ID is ena bled, one of the messages in T able 5-2 appears on the com p uter s cre en af ter th e first RI NG m es sag e: If the telephone company provi d es En hance d Caller ID , the call er's nam e appears a fter t he caller pho ne number .
AT Commands Modem 36 00 5-19 When d istinct ive ring is enabled, one of the mess ages in T able 5- 3 appe a rs on the DTE instead of the re gular RING me ssag e: T erminal I nterface Commands The EIA-232 in te r face connects t he mo dem and DT E.
AT Co mm a nds 5- 20 Modem 36 00 Data S et Ready &S These com m ands con trol the DSR s ignal ge nera ted by the mod em t o indic ate that the modem i s ready for o pe rati on. DSR m u s t be on for so me t ermi nal s a nd de vic es to co m muni cate wi th the modem .
AT Commands Modem 36 00 5-21 Ser ial P o r t Rin g In d icat or (Pi n 22) R The R commands de termi ne how th e ring indic a t e signal operat es on pin 2 2 of the EI A-232 DT E conne ct or.
AT Co mm a nds 5- 22 Modem 36 00 DTE Contr olled F a llbac k Ra te (Pin 23) *FB Pi n 2 3 of t h e EIA- 232 DTE conne ct or p rov ide s signa l input to the mode m for DTE fallb ack. If the modem i s not u sing DTE fa llback, set this option to ig nore pi n 23.
AT Commands Modem 36 00 5-23 If th e scre en show s no ch ar acte rs , en te r the E1 com mand to t urn mode m echo on or e na bl e lo cal echo on the term inal. Onli ne Char acte r E cho F In some lo we r speed modems the F c omman d deter mine s i f cha r acte rs are echoe d to the D TE fro m the modem whe n online .
AT Co mm a nds 5- 24 Modem 36 00 EPR OM Chec k I PC s oftw a re pac kages may i ssue the I comman d to v erify the modem wi ll sup port all co m mand s n eeded b y the s o ftw a re packa ge. Th e mode m retur ns ASCII chara c ters rep re se nt i ng the model and re vision le vel.
AT Commands Modem 36 00 5-25 Return Online O Use th e O c ommand when you are ope rating i n the onlin e command mode a n d need to return to data mode. It returns the modem t o t he same mode (origina te or answer) tha t it wa s in before escapi ng to the (onl i ne) comm an d m o de.
AT Co mm a nds 5- 26 Modem 36 00 Use reg i ster S30 t o se lect NRZ/N RZI for data forma t if using SDLC. IMPOR T ANT : S ync h ronous DTE m ust be a va ilable to c o m muni c ate wit h th e mod em if the V .
AT Commands Modem 36 00 5-27 Synchr onous T ransmit Cloc k S our ce &X The &X com mands select i nter nal , ex ter nal, o r rec ei ve cloc k as the tr ansmit clock s ource. V .34 Rate Sele c tion Thre s holds *TH The *TH co mma nd s s ets the V .
AT Co mm a nds 5- 28 Modem 36 00 Max imum D CE Sp eed %B The %B comm a nds set the or iginating DCE sp eed to fo llow t he DTE spe ed. Whe n originat ing a cal l the t wo mod e ms will not c onnect at a spe ed faste r than the lo wer DCE spe e d set ting of the two m od ems.
AT Commands Modem 36 00 5-29 * Val id f or V . 32 b is modulat ion o nly Note Use th e %B co mmand aft er the *MM com man d w he n s pec ific modul a t ions ar e require d. Minim um DCE Speed %L If the m ode m co nn ects at a r ate low er t han t he m in imu m D CE s pee d, it dis c on ne c ts the link automat i c ally .
AT Co mm a nds 5- 30 Modem 36 00 A u to Re trai n %E This opt ion a l lows the modem t o automati cally re train i n response t o poor r ecei ved signa l quality wit hout reco nnecting. The modem al ways res ponds to a retrain request fr om th e remote modem.
AT Commands Modem 36 00 5-31 Manua l Rate Adapt ion *RR The *RR com mand f orces the m od em t o re- ad ap t th e DCE rate of th e re mo te m ode m. Pr oduct Revision Level %V The %V command dis plays the prod uct r e visi on level .
AT Co mm a nds 5- 32 Modem 36 00 Onli ne Q uick Refer en ce $H The $H command displ ays an AT command se t quick reference. The Enter k ey termi na t es the page dis plays a nd any other key scro lls throug h the pa ges. Pr oduct S eria l Number $V The $V comm and displ ays the pro duct serial numbe r.
AT Commands Modem 36 00 5-33 Disa ble A T Command Set *NT The *NT command disab les the AT co m man d set. The *NT1 command allo ws th e user at a remote m odem t o ena ble A T com m and opera tion of a nother modem via remote co nfi gurati on.
AT Co mm a nds 5- 34 Modem 36 00 Note F or operation wit h modems th at use V .33 as the modulat ion type , the Mo de m 3600 must be set up to V .33. 2-W ire Op era tion In 2-wire ope ration, the modem is a full-d uple x modem able t o o pe rate over 2-w ir e leas ed o r P STN li nes .
AT Commands Modem 36 00 5-35 Dial Bac k up Dial backup a llo ws t he mode m to s witch to a dial backup mode if the dat a connec tion on t he l eas ed l in e is una cc eptable fo r co m muni ca tions .
AT Co mm a nds 5- 36 Modem 36 00 Dial / Le ased Line &L &L sel ects l ine oper ation as require d: Dial Bac k up *DB Re tur n to L eased L ine fr om D ial Back up *L B Duri ng dial bac kup op er at ion, *LB makes the mod em retur n to leas ed line operati on.
AT Commands Modem 36 00 5-37 Configuration Commands Thes e co m man ds reca ll various pro fil es for ins er tion into the ac ti ve pr of ile, st ore the acti ve profi le and telephone number s in nonv olati le memory , and designa te t he po werup prof ile.
AT Co mm a nds 5- 38 Modem 36 00 Storing a Configurat ion &W The &W co mm an ds s tor e th e c urre nt c onfigu ra tion opti o n s in one of tw o non vola tile memory lo c atio ns (Fi gure 5-1). The stored conf igurati ons are reta ined i n memor y e ven when p ower is o ff, or un til &W is issu ed with a new c onfi guration.
AT Commands Modem 36 00 5-39 Load F actory Options &Fn The &Fn comm a nd lo a ds one of the e xisting conf igurat ion se ts, pr ovidi ng a compl ete conf igurati on for a compa tible syst em/netw ork en vironment . Refer t o the Appendix H for a compl e t e lis t of the opt ions in ea ch se t.
AT Co mm a nds 5- 40 Modem 36 00 View Configurat ion Prof iles/Recei v ed Si gna l Options &V Th is co mm an d le ts t he u se r v iew t he cu rr ent co nfig ur atio n profile i n th e form of S-register va l u es. &V1 displ ays the r ecei ved signal option s.
AT Commands Modem 36 00 5-41 Retaini ng / Restoring O pt i ons *RO This option is used when t he modem is shared b y two or more DTEs. When opti ons are re taine d, the cur rent c onf igura tion is not altered at dis c on ne ct. W ith opti ons restor ed, the modem returns to the pre viousl y sto red conf iguration on di sconnect.
AT Co mm a nds 5- 42 Modem 36 00 Note R emo te co n figu ra tio n i s s uppor te d at all rates e xcept 300 bps. Remote Configurati on Security The c orre ct se curity code must be rec ei v ed b y the r emot e modem befor e rem ote c on fi gura tion ca n be est abli shed.
AT Commands Modem 36 00 5-43 The %P=D comm a nd d isable s remote c onfigu rati o n . To en able remote conf igura tion, insert a nother sec urity code . IMPOR T ANT : Do n ot forge t your remote securi ty code . Keep y our cod e in a safe p lace . If you do forget y ou r code, co nta ct Techn ica l Supp ort.
AT Co mm a nds 5- 44 Modem 36 00 Remote Configurati on DTE S peed *RB This opt ion forces DTE spe ed to a partic ular sett ing, if desired. Remote Configurati on Format *RF Set word length, parit y , and stops for remote con figur ation .
AT Commands Modem 36 00 5-45 Re mote Confi gurat io n Sa vin g or D isca rd ing Op t io ns *RQ This opt ion a l lo ws th e opport unity to dis card an unde si rable op tion.
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Modem 3 600 6- 1 Ch apte r 6 Protocol s CCITT V .42 bis Error Contr ol Protocol V .42 bis is an ind u s try sta nd ard for error contr ol adopt ed by the Cons ultati ve Comm ittee for Intern ati on a l T elephone a n d Telegra ph (CCITT). The CCITT V .
Pr otocols 6- 2 Modem 36 00 A uto-Reliable Mode In auto- relia ble mode t he modem negot iates to t he highest pr otocol (LA PM or M NP) co mmo n to b oth mode m s. Howeve r , i f a relia bl e conne c t ion canno t be est ablis hed, a uto-r eliab le al l ows the protoc ol to f allba ck t o normal mode.
Pr otocols Modem 36 00 6-3 Direct Mode The DT E s pe ed a nd DCE spe e d ar e forced to be t he same . No error cont rol or buf feri ng. Note In direc t mode, with the DCE link est ablishe d at a rate other tha n th e or igi n al D T E spee d, th e mo dem issu es the con nec t me ssa ge fo r t he new D T E spe ed a t the o rig inal rate .
Pr otocols 6- 4 Modem 36 00 Disc onnect Buffer Del ay %D Select a d elay dur ing which the modem p rocesses data in its t r ans mit and recei ve b uff e rs befo re disconne c t ing. When a c o ndition ex ists which cause s a disconne c t , t he modem t ries for n sec onds to empty i ts buffe rs .
Pr otocols Modem 36 00 6-5 Serial Po r t (DTE) Constant Speed J The J com man d allow s DCE a nd DTE t o operat e at d iff ere nt sp eed s. The J1 co mm a nd f or ce s s e rial p ort (D TE) speed to fol low data l ink spe e d in an y mode.
Pr otocols 6- 6 Modem 36 00 Operat ing Mode N Se lect t h e V .42 bis mode to be used in data m ode . A n Nn comm and is su ed du ri ng c om ma n d m ode w hi le a co n ne ction i s i n progre ss will not af fect t he curren t conn ectio n bu t will b e acted o n for s ubsequent conne c t ions.
Pr otocols Modem 36 00 6-7 Seri al Por t Fl ow Contr ol Q The Q commands set the ty pe of flow control us ed b y the serial port. If t he seri al p ort spee d ex cee ds th at of the m o dem c onne ctio n, ch aract ers m a y b e se nt b y t h e D T E to t h e m o d e m fa s t e r t ha n i t c a n se nd t h em t o t h e remo te m odem.
Pr otocols 6- 8 Modem 36 00 XON/XOFF P a ss Through X This opt ion is acti ve when flo w c ont rol of the modem b y the DTE h as bee n sel e cted fo r X ON /X OF F and the conne ct m ode is M NP -only or norma l.
Pr otocols Modem 36 00 6-9 Note The Modem 36 00 will transm it the XON/ XO FF cha racte rs t o start/st op dat a transmissi on from the r emote mo dem. The Modem 3600 wil l not respon d to the XON/XOFF characte rs. This ac ti vity ensures t hat a fa lse XON/XOFF i s not det e cte d res ulting in data loss .
Pr otocols 6- 10 Modem 36 00 A bre ak is sent to the s e ri al po rt whil e the mod e m i s in c onnect state during a di re c t connect ion (no protoc ol, data not b uf fe r e d). A break is re cei ved from the r e mote modem while the modem is i n conne c t state du ring a no r mal connec tion (n o protoc ol, data b uf fered).
Pr otocols Modem 36 00 6-11 Ma xim um Re li able B loc k Si ze A The A comm a nd set s t he maximum trans mit block si ze for MNP conne c t ions. Use this command to force t he modem to trans mit smaller bloc ks i n an MNP connec tion. A sm a ller blo c k siz e ma ximizes throug hput when ma rginal l ine conditio ns are causin g error s.
Pr otocols 6- 12 Modem 36 00 V . 42b is Dat a Co mpre ssion %C The %C co mma nd deter mi nes appl ica tion o f data co m pr ess i on whi le runnin g LAPM pro tocol.
Modem 3 600 7- 1 Ch apte r 7 T est Mod e Ope ration Diagno stic tests are used to isol ate fa ults i n the commun ications pa th . Di agn os tic te st s t erm in ate a fte r the pe rio d of ti me s pe cifi ed by S18 . If S18 is set to 0, th e timer i s disable d and t e sts w ill run c onti nuou s l y .
Test Mode Operati on 7- 2 Modem 36 00 Note These test s do no t apply to fax mode and s hould onl y be perform ed whe n the mode m is co nfigu red for data opera tion. LDL, R DL, a nd RDL/TP tes ts a re i nitia ted afte r m aking an o nline da ta conne c t ion in n ormal or di rect mode onl y.
Tes t M ode Operati on Modem 36 00 7-3 F or example, t o run the se lf test analog loopback tes t for 30 seconds, ent er ATS18=30&T8 The modem s hould re spond with 000 af ter 30 se c onds. T esting the Local Modem T est loca l operatio n with the modem of fline in command m ode.
Test Mode Operati on 7- 4 Modem 36 00 F or 2-wire oper a tion, An alog B ilateral Loo pba c k is i n vali d. In 4-wire opera tion, Analog Bilate ra l Loopback connects the recei ve line to t he tra n smi t li n e thr oug h a buff er ampl ifi er . T est the local DTE an d cab le b y en tering the &T1 c ommand.
Tes t M ode Operati on Modem 36 00 7-5 T esting the Remote Modem Use L DL, RDL , and RDL/TP in t he on lin e data m od e to test the remote mode m and phone l ine. Ente r t he escape s eque nc e aft er maki ng a conne ction to re turn to com mand mode.
Test Mode Operati on 7- 6 Modem 36 00 Grant/Den y RDL Re que st &T4, &T5 Local operators can d eny a request from the r e mote m odem for remote digit al l oopbac k.
Tes t M ode Operati on Modem 36 00 7-7 Remote Digital Loopb ack with S elf T est & T7 After maki ng the data connec t i on, ent er the escape seque nce t o return to co mm an d m o de. Ent er ing &T7 p la ce s t he r em ote m od em in d ig ital loopba ck prov ided t he re m o te ope rator enter s &T4 to allo w an R L reque st.
Test Mode Operati on 7- 8 Modem 36 00 DTE Cont roll e d Remote Digita l Loopbac k (Pin 2 1) *RD T o e nable DTE Controlled Remote Digit al Loopba c k , e nt er *RD1 . Enab led, the modem goes int o Remote Digita l Loop back when i t detec ts an o ff -to-on t ransition of pin 21 while in th e online data mode.
Modem 3 600 8- 1 Ch apte r 8 Secur ity The Modem 360 0 seri es prov ides three f e a tures to assure secure operati on of th e m odem. T hese features are front panel pass word p rotection , a ut o cal lback, and secu re mode of op e rati on. Front panel pas sword protecti on is dis c uss e d i n Chapter 4.
Secu r i ty 8- 2 Modem 36 00 Low Security Operation Lo w s ecu rity o pe ra tion pr ovides password pro t e ction against unaut horized d ial-up access . High sec urity is ano ther featur e whic h is dis cu ss ed la te r in the “ Hig h Secur ity ” s ecti on on pa ge8- 4.
Securit y Modem 36 00 8-3 Af ter rece iving the $ , t he sec ur e re mo te m o dem acce p ts the se cu ri ty code a nd wait s for a c arri age return. Ente ring more than t en characters i s in va lid and causes the s ecure mode m to disconne ct. Enter ing a valid pas sword causes the c alli ng party 's DTE to disp la y P ASSWORD AC CEPT E D .
Secu r i ty 8- 4 Modem 36 00 Set Password $S= x The $S=x comm a nd set s an e mpty pass word location to x . This com mand onl y applie s when no password or onl y one is st ored in memory .
Securit y Modem 36 00 8-5 Operating w ithout High S e curit y The mode m is fact ory set with security dis abled. In this mode the loc al DTE is connecte d to the l ocal modem as usual , but the command to enab le or view the status of the sec urity feature will b e accepte d and pr ocessed.
Secu r i ty 8- 6 Modem 36 00 Superuser The s uperuser ha s access to all user info rm ati on for ad min istrati ve purpos e s a nd can chang e us e r log on requirements and pri vileg es.
Securit y Modem 36 00 8-7 After se ve n c alls (the def ault i n remot e configu ration), the I LLEGAL A TTE M PTS coun ter wi ll have reache d maximum and the user wil l be suspe nded. Def aul t P asswo r d s The mode m is shippe d from the fac tory with a defau lt passw ord for the supe ruser a nd for one re gular user .
Secu r i ty 8- 8 Modem 36 00 Setti ng Passwords $ Pn=pw$pw Sel ect a pass word be tw een 4 and 34 pr intab le ASCII char act ers. T o sto re the passwor d enter AT$Pn=pw$pw wh ere n i s the us e r nu m ber (0- 50) and pw is the ne w passwo rd which is ente red twic e to ensure that is has been en tered co rrect l y.
Securit y Modem 36 00 8-9 Le vel 1 secu rity d oe s not requir e a call back number; ho wever, if t he se curity le vel i s chan ge d t o le vel 2 or 3 a call back number wi ll be requi re d. The c allback number sho uld be programmed ini tially us ing the $Cn=m comm an d.
Secu r i ty 8- 10 Modem 36 00 The Mode m 36 00 re spon ds b y scrolli ng any il leg al att empt i nformation on to the scree n as in the foll owin g e xample: USER NUMBER: 01, ILLEG AL A TTE M PTS: 1,.
Securit y Modem 36 00 8-11 V e ri fy Us e r I nfo r m ati o n $I n, $IB n Securi ty le vel and call back number can be displayed usi ng e ithe r the $In or $IBn c ommand. T o displa y the a s s igned s ecuri ty level and cal l back numb er for a singl e u ser en ter AT$In wh ere n is the use r number .
Secu r i ty 8- 12 Modem 36 00 If the passwo rd entry is inco rre c t, the pa ssword en try fie ld wi ll be cle a red and the remote user will be allo wed furt her entri e s unti l the nu mber of in va lid at tempts matches the locko ut thr esh old store d in S77 .
Modem 3 600 9- 1 Ch apte r 9 F ax Ope ration The Modem 360 0 can sen d and rec ei ve f ax documents at spe eds up to 14,400 bps, with the appropri ate softw are. As a f ax modem, t he mode m con fo rms to E I A- 578, wh ich def ines a standa rd i nte r face b etween a PC with fa x s o ftware and the D CE as a fax mo dem.
Fax Op erat ion 9- 2 Modem 36 00 Modem Initialization F or fa x o pera tion, mos t fax so f t wa re packages are equi pped with a f ax in itia lizat ion c ommand st ring. En tering t his com m and s ets th e acti ve pr ofil e for fa x op erati on. In some cases cer tain options should be modi fie d for p a rt icular requi rements.
Fax Op era ti on Modem 36 00 9-3 Fax Associated Options A number of option s can be changed w ithout any effect on fax opera tion. T hese i nc l ude i tems like spe aker volume and pause for car rie r .
Fax Op erat ion 9- 4 Modem 36 00 The Cl a ss 1 standa rd assumes a s eria l asyn c hro nous D TE -DCE conne c t ion us ing EIA-23 2D (o r CC ITT V .24) circuit s. E IA-2 32D circ uits AB (s ignal gr ound), BA (tr ansmitted data), a nd BB (recei ved dat a) a re requ ire d fo r fax opera tion , wh il e ad ditio nal c ir cui t s are optio nal.
Fax Op era ti on Modem 36 00 9-5 Aft er diali ng the sp ecif ied number in fa x mode, th e mo de m generates 1100 Hz CNG tones in a c c ordance wi th T .30 while trying to d et ect eit he r CED (a nswer back tone) or th e HDLC preamble of the fi rst T .
Fax Op erat ion 9- 6 Modem 36 00 Off Hook H1 The H1 co mm a nd i n st ru c ts t h e mod e m t o go o f f hook . I n f ax m ode , th is migh t b e used wh e n the use r has used manual dia l i ng t o place a fax cal l.
Fax Op era ti on Modem 36 00 9-7 Re ceiv e Sil enc e +FRS =(T ime ) Th e co m man d +FRS= ca uses the modem t o listen fo r silence an d report back an OK result code when the li ne has be en silent f or the spe c i fie d amo unt of ti m e. The (Time) value i s in 10 m s increme nts f rom 0 t o 2.
Fax Op erat ion 9- 8 Modem 36 00 The Modem 360 0 retu rns an ERROR resul t code if any of th e abo v e com man ds are is su ed wh ile t he mo dem i s o n hook. Fa c sim ile T ransmit +FTM=(Mod) +FTM=(Mod) causes the modem to tr ansmit data usin g t he m od ulatio n and sp e ed s elect e d wit h the (Mod) par ameter .
Fax Op era ti on Modem 36 00 9-9 HDLC T ra nsmit +FTH= ( Mod) +FTH=(Mod) caus e s the modem t o transmit HDLC framed d ata us ing the modulat ion and s peed sele c t e d wi th the (Mod) pa ram eter . For V .27 ter , V .29, a nd V .17 modulat ions, the modem will firs t trans mit the requi re d tr a ining sequence (wi th e cho pro tector tone).
Fax Op erat ion 9- 10 Modem 36 00 Clas s 1 Re s ul t Code +FCERR OR If th e m ode m dete cts an y c arr i er or ton e that di ffers f ro m tha t sp ecifi ed in a +FRM or +FRH comma nd, it sends the +FCERRO R result code an d ret urns to co m mand sta te, allo wing th e DTE t o attem pt a r eco ve ry .
Modem 3 600 10 -1 Ch apt er 10 Statu s R egis ters S-Registers Most mode m con figur a ti on inf ormation is s t ored in a par t of memory ca lle d st atus (S ) re gist ers. Dur ing op erat ion t his inf o rmat i on is use d to dete rm ine modem functi ons.
Statu s Registers 10-2 Mode m 3600 Bit v alue s fo r S-re gisters must not be con fused with t he total re gister v alue. Bit v a l ues ar e counte d separ a t ely for e ach opti on group, c alled bit map ping, whil e the r egis ter v alue i s t he cumul ati ve deci m al or he xadecim al total.
Stat us Regi sters Modem 36 00 10-3 S-Register Operation Sn?, Sn?^ Ent er ATSn? to read a regi ste r valu e, wh ere n = register number for a deci mal va lue or ATSn?^ for a he xadecimal va lue.
Statu s Registers 10-4 Mode m 3600 Indivi dua l Bit Com mand Sn . # =v Some operat ors use A T commands as th e primar y method of changing S-re gister options . Howe ver , some op tions st ored i n r egisters do not ha ve a n associa t e d A T c omm and.
Stat us Regi sters Modem 36 00 10-5 Esca pe C har acte r S2 The sta ndard e scape character is a + sign (AS CII v alue of 43 ). T o cha nge t he c har a cter, se t S2 t o the desired ASCII v alue (0-127 ). T o dis a bl e the es cape command, set S2 to a ny v alue gre a t e r than 127 (128-255 ).
Statu s Registers 10-6 Mode m 3600 Pause Int erval for Com m a S8 When a d ial c ommand conta ins a c o m ma, t he mode m pauses t he number of s eco nds in S8 . Change S8 to chan ge t he bas ic pa use i nterv al (0-255), or use s eve ra l c o mmas in a row for greater de lay during di a l ing.
Stat us Regi sters Modem 36 00 10-7 S13 Not u sed Bit Mappe d S 14 Note In t he table s fo r bit mappe d S-re gist ers, bo ld te x t ind icates bit v alue def aults. Note When b it-mappe d S-regis ters h av e pa rallel AT comm and s, t he co mmand s a re list ed in t he reg iste r tab les as a cr oss ref ere nce .
Statu s Registers 10-8 Mode m 3600 Sys tem T est s S1 6 This re gister conta ins th e stat us of syste m test options. S17 Not u sed T est Tim eout S18 T es t tim eo ut is the a mou nt of t ime , in 1 se cond increm ents, that a diag nosti c test wi ll run a nd is d eterm ined b y t he v alu e ass igned to S18 (0-255).
Stat us Regi sters Modem 36 00 10-9 Bit Mappe d S21 Bit V alue Comman d Description 6, 0 00 10 01 11 &S &S 1 &S 2 &S 3 DSR f or c ed on DSR on when onlin e DSR of f 5 sec onds aft er d.
Statu s Registers 10-10 Modem 36 00 Bit Mappe d S 22 Bit Mappe d S 23 S24 Not u sed Bit V alue Command Description 1, 0 00 01 10 11 L L1 L2 L3 Sp ea ke r vo lu m e low Sp ea ke r vo lu m e low Speaker.
Stat us Regi sters Modem 36 00 10-11 DTR State Recognition S25 The S25 re gister specif ies the amount of time (0-255) i n 0.01 sec ond (10 ms ) in cr em e nts tha t D TR m us t sta y high or low i n o rd er t o be reco gnized a s s uch. The def ault v alu e is 5 (0.
Statu s Registers 10-12 Modem 36 00 Bit Mappe d S29 Bit Mappe d S30 S31 Res erve d Bit V alue Co mmand Descript ion 0 0 1 *NT1 *NT Enable A T co mmand set Disa ble A T com mand set 1 0 1 *R O *R O1 Options retained at disco nnect Options re st ore d at disconne ct 2 0 1 *FT *FT1 Disa ble V .
Stat us Regi sters Modem 36 00 10-13 Bit Mappe d S 32 S33 Res erve d Bit Mappe d S 34 DTR / Dial Back up Number to Dial S35 Se lect t h e numb e r to automat icall y dial (1- 9 o f st o red nu m b ers) for the mo dem to dial i n DT R dial ing or a utodia l bac kup.
Statu s Registers 10-14 Modem 36 00 Remote Configurati on G uar d Time S4 2 Sele ct the r emo te co nfig urat ion guard ti me (0-255) in 20 ms int erval s. The defa ult is 50 (1 sec ). S43 Res erve d XO N C ha ra c t er fro m DTE S 4 4 Sel ect the XON ch ar acter (0- 127) to be sent from the DTE.
Stat us Regi sters Modem 36 00 10-15 Leased Line T ransmit Le vel S 52 The S52 regis ter s ele c t s l eased line transmi t l eve l from 0 t o -30 dBm in 1 dBm inc re ments .
Statu s Registers 10-16 Modem 36 00 Flow Control S54 The S54 re gister selec ts the flo w control opti ons. S55 Res erve d Bit V alue Command Description 1, 0 00 01 10 11 Q Q1 Q2 Q3 Disa ble DT E flo .
Stat us Regi sters Modem 36 00 10-17 V .42 Compression Contr ol S56 Bit Mappe d S 57 I nacti vity Tim er S58 The S58 re gister speci fies the number of minutes the mode m wa its before termi nating a ca ll when no data is s ent or r ec eived. This re gi ster is acti ve when in error cont rol mode.
Statu s Registers 10-18 Modem 36 00 Brea k C ontrol S 59 The S59 re gister dete rm i nes the a c tion t aken whe n a break is enc oun ter ed. R efe r t o the “ Break Cont rol Kn ” s ection on page6-9 for furthe r i nfor m ati on.
Stat us Regi sters Modem 36 00 10-19 Bit Mappe d S 60 DTE Options S61 The S61 reg iste r in di cate s t he cha racte r si ze an d pa r it y. This reg ist er is for reference onl y.
Statu s Registers 10-20 Modem 36 00 Disc onnect Buffer Delay S62 The S62 regi s t er dete rmines th e delay before di s connect , to al low b uff- ers to emp ty , w hen di sconne ct c ondition s exi st. Ma ximu m T ra nsmi t Bloc k Siz e S6 3 The S63 regi ster set s t he maxi m um tra nsm i t block size.
Stat us Regi sters Modem 36 00 10-21 Link S peed St a tus S67 The S67 regi ster indi cates the tru e da t a li nk (DCE) s pee d. This regi s t e r is for refe renc e onl y .
Statu s Registers 10-22 Modem 36 00 DCE Independe nt Speed S69 The S69 regi s t er selec ts the DC E indepe ndent ra te ope ra t ion. W h en S69 is 0, DTE a nd DCE rates are eq ual and the maximum origi nate conne c t rate u p to 14, 400 b ps is d etermined by S80 .
Stat us Regi sters Modem 36 00 10-23 Operat ing Mode S70 The S70 regi s t er dete rm ine s th e protocol o pe ra ting mode and action tak en on an MNP li nk at tempt failur e .
Statu s Registers 10-24 Modem 36 00 Bit Mappe d S72 P ass wor d Time ou t S7 3 S73 set s the length o f time the remote user has to e nt e r a p assword before the s ecure Modem 3 600 drop s the call.
Stat us Regi sters Modem 36 00 10-25 Call back Retr y D elay S 76 The l eng th o f ti me that th e mo de m w aits, a fter a n un succ es sfu l a tt empt to c onnect to the r emote unit a t the programmed callb ack numb er, befo re trying t o p lace t he ca ll again.
Statu s Registers 10-26 Modem 36 00 Ser ial Po r t or D TE S p eed S8 0 The S80 regi ster indic a t es the se rial port speed. Bit V alue Command Descr iption 4-0 00001 00010 00011 00100 00101 00110 0.
Stat us Regi sters Modem 36 00 10-27 Minim um DCE Speed S81 Negotiation St atus S82 S83 Res erve d Bit V alue Command Descr iption 4-0 00000 00001 00011 00100 00101 00111 01000 00110 01001 01010 00010.
Statu s Registers 10-28 Modem 36 00 Bit Mappe d S84 S85-S 87 Res erve d Modulation T ype S88 S89-S 90 Res erve d Bit V alue Command Descri pt ion 0 0 1 -- Enable any k e y abo rt Di sab l e any key a bo rt 7-1 -- -- Reserve d Bit V alue Command Description 3-0 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 -- Auto m ode V.
Stat us Regi sters Modem 36 00 10-29 Current Modula tion S91 The S91 regis ter is for referenc e only . S92 - S9 4 Res erve d Bit V alue Command Description 3-0 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 -- Auto m ode V. 2 1 B10 3 Res erve d B21 2A V .
Statu s Registers 10-30 Modem 36 00 V .34 Setti ngs S95 V .34 A sym me tric Se ttin gs S96 Bit Mappe d S97 S98- S 10 0 Res erve d Bit V alue Command Descri pt ion 00 1 -- Disa ble V .
Modem 3 600 11 - 1 Ch apt er 11 V .25 bis A ut odialer V .25 bi s is an option that al lo ws dia ling func tions to be controlled using sync hronous data. Selec t V . 2 5 bis throug h the approp riate &M command in the A T command se t (refer to the “ Asynchronou s / Synchrono us Mode Se le ctio n & M ” s ect ion on pa ge5-25).
V.2 5 bis Autodial er 11-2 Mode m 3600 A utodialer Co mmand Strings and P arameters Mos t c ommand s t ring s for the aut odi al er incl u de two p arts: the com mand itself and the paramet ers that follo w . For the purpo ses o f this chap ter , par ameters ca n be te lephone n um ber s or an ything appropri ate to V .
V.2 5 bis A utodial e r Modem 36 00 11-3 &M3 Ma nu al d i al /s ync dat a &M4 V . 25 bi s dial er /B IS Y NC pro to col /s yn c d a ta (A S CI I) &M5 V . 25 bi s dial er /S DL C p r otoc o l/ syn c da ta (N RZ ) &M6 V .25 bis asyn c dial/s ync da ta &M7 V .
V.2 5 bis Autodial er 11-4 Mode m 3600 3) An y parameter c ontaining too ma ny c ha racte rs. I NVPV This message has o ne of three possib le meanin gs: 1) An y paramete r set con taining i nvalid cha.
V.2 5 bis A utodial e r Modem 36 00 11-5 Dial Command CR N nn...n The di a l command is a CRN follo w ed b y the numbe r to be dialed nn...n . The m od em acce p ts u p to 40 dial paramete r s, exc luding the CRN co mmand a nd any leadi ng spac es. Res ponses: VA L V alid command r e c ei ved.
V.2 5 bis Autodial er 11-6 Mode m 3600 Intermedia t e Ca ll Progr e ss Response The fol lo wing respons e is giv en only if enab led. See Option Def initi on 002 b elo w . CNX@nnnnnBPS where nnnnn is the l ine spe ed. This conne ct response appe ar s a fte r hands hake c omple ted, b ut befor e DSR is a c t iv ated.
V.2 5 bis A utodial e r Modem 36 00 11-7 Request List of S tore d Numbers RLN The reque s t lis t of stored numbers c ommand i s an RLN . Res ponses: INV C U I nv a l i d c o m m a n d - c o m m a n d unkno w n . Ex ampl e: TLN INV M S In val id com man d - message sy ntax error .
V.2 5 bis Autodial er 11-8 Mode m 3600 Connect I nc oming Call CIC No p arameter s are required. If t here i s an in co min g c all, the mod em immed iately answe rs th e call .
V.2 5 bis A utodial e r Modem 36 00 11-9 If circ ular l i n king (1 to 8 to 7 to 1) i s used, dial ing is d isc onti nued after the a d dre ss ed number in the dial command has be en dia le d twi ce. I f only o ne paramete r fol l ows the PRL com mand, th e number at address a is unl inke d fr om its fo rward link .
V.2 5 bis Autodial er 11-10 Modem 36 00 INV M S In val id com man d - message sy ntax error . Ex ampl e: RLL ; LSL List l inked num be rs . In all LSL exa mp les , if no n um ber i s st or ed a t the speci fie d addr es s n o re spons e i s sent.
V.2 5 bis A utodial e r Modem 36 00 11-11 The modem must be abl e to accept 40 non-ign ored char acters besides the PRO command (lead i ng z eros and semi colons are not consi dered ignore d c har acters ). Res ponses: VA L V alid com m and rec ei ved.
V.2 5 bis Autodial er 11-12 Modem 36 00 • An out- of-range v alu e f or a par ti cul ar opti on i s spec ifi ed In th e abo ve exa m pl e , if the f ourth v alue in the option stri ng is undef ined .
V.2 5 bis A utodial e r Modem 36 00 11-13 INV C U I nv a l i d c o m m a n d - c o m m a n d unkno w n . Ex ampl e: TRP INV M S In val id com man d - message sy ntax error . Ex ampl es: PRP;1 PRP Q I NVPS In vali d command - parameter sy nt ax error .
V.2 5 bis Autodial er 11-14 Modem 36 00 The separator {sep} for BISYNC is an <etb ><sp><s p>< stx>L SO<sp > sequen ce for the sync form a t (the las t LSO string te rminate s with <etx > per V .
V.2 5 bis A utodial e r Modem 36 00 11-15 051: Pr imary tra nsmit / rec eive rate 007: 1200 bps 008: 2400 bps 034: 4800 bps 035: 9600 bps un c oded 036: 9600 bps 046: 7200 bps 047: 12, 000 bps 048: 14.
V.2 5 bis Autodial er 11-16 Modem 36 00 064: L ine c urr e nt di sconnect 0 - Of f 1 - Short (8 ms) 2 - L o ng ( 90 ms) 2 076: Spe a k er cont rol 0 - Off 1 - O n 4 - On until CD 6 - Of f whe n di ali.
V.2 5 bis A utodial e r Modem 36 00 11-17 092: Gua rd tone 0 = None 1 = 55 0 Hz 2 = 18 00 Hz 0 093: C arrier dete c t delay 0 - Off; 1 to 255 10 m s i ncrem ents 6 (60 m s) 094: L o ss of c a rri er di sconnect 0 - Off 1 to 255 100 m s i ncrem ents 14 (1.
V.2 5 bis Autodial er 11-18 Modem 36 00 112 V .34 Selec t Threshol d 000: Lo w 001: Med ium 002: High 113 V .34 Asymmetric bit rate s 000: Disa bled 0 01: Enabl e d 903: B ilatera l loop - I f enabled.
Modem 3 600 12 -1 Ch apt er 12 Mainte nanc e Wa r n i n g Disc onnect po wer before perfor ming ma intenance. Althoug h d a nge rous v oltag e lev els are not exp osed, dis c onn e ctin g po w er e nsures tha t no ele c t ric shock hazard is pr es ent .
Maint enance 12-2 Mode m 3600 Calling T echnical Sup port The Ser vice and Support page at the back of this Us er ’ s Gu id e contai ns se vera l phone and f a xback numbers a nd the W eb addre ss. If c alli ng T echnical Suppor t, plea se c a ll from a locat ion near the compu te r with the mo de m .
V .36 00 A-1 App endi x A Spe cificat ions Siz e W idth7. 0 inches (17.78 cm) Depth1 0.5 inches (26.67 c m ) Height 2.25 inc hes (5.72 cm) W eight2 lb s .
Sp ecifi catio ns A-2 V.3600 Modem Data Rates 300, 1200, 2400, 4800, 7200, 9 600, 1 2000, 14400, 16800, 19200, 21600, 24000, 26400, 2 8800, 3 1200, 33600 bps. F ax Rates 14400, 12000, 9600, 72 00, 480 0, and 2400 Mo dul ati o ns V .3 4, V .32 , V .2 2, V .
Speci fications V.3600 A-3 Carrier Detec t Level Dy na mi c to - 43 dBm T elc o Co nnecti o n 8- pin modula r jack, dia l a nd pr i vate line s Te s t i n g 511 PN pattern (pe r V .
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V .36 00 B-1 App endi x B Pho ne Jack D e scr iption s DI AL Pi n Funct ions The DIAL jack c onnects t o the PSTN dial-u p lines . Pin functi ons are as follo ws : TELSET / LEASED LI NE Pin Functi o ns The 8-pin TELSET/LEAS E D L INE j ack a l lows a standard tel ephone or a l ease d line to be c onnected t o the mode m.
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Modem 3600 C-1 App endi x C Har dware Op tions J ump er O ptio n S elec tio n Modem c onf ig uratio n is c ontroll e d b y front pa nel p ushbutt ons and t he LCD, A T or V .25 bis command s, and one har dware opti on jumpe r locate d on the PC board .
Hard ware Op tions C- 2 Modem 36 00 Fig u re C- 1. Cover Removal Bottom of the modem Slots - Open the two slots on one side of the modem first. Then open the two on the other side.
Hard ware Optio ns Modem 36 00 C-3 Fi gure C-2 sho w s a typic al jump e r con figur ation. Figure C-2. J ump er Locatio n f or Grou nd Option.
Hard ware Op tions C- 4 Modem 36 00 Fi gure C-3 sho w s a typic al jump e r con figur ation. Figure C-3. T yp ical J u mper Configurat ion Ground Opt ion Jumpe r Si gnal g round is normally c onnected to chass i s ground. If int erference ex ists, iso late sig nal ground from chassi s gro und.
Modem 3600 D -1 App endi x D Fault Isola tio n Pr oced ure F aul t Isol ation Pr oced ure This diagnost ic test procedu re and the in dicator lig hts buil t into th e mo dem a llow a rap id che ck o f the t erm ina ls, mode ms, a nd telephone line inte rface.
Hard ware Op tions D-2 Modem 36 00 Mode m and T ele phone Line Chec k Pa r t I 1) Conf igure the modem fo r LOCAL AN A LOG LOOP WITH TE ST P A T TE RN . Th is te rm in at es the l ocal m o dem tele p hon e lines into 600 ohms and conn ects the loca l mo de m tran sm it output ampli fier back t o its own rec ei ver th rough the A G C.
Hard ware Optio ns Modem 36 00 D-3 Pa r t II This par t determ ines t he pe rformance of the loca l and remote modems and th e tele pho ne cir cui ts .
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Modem 3600 E-1 App endi x E Comm and Ind e x and D efa ults Gene ral This re ference g uide provi des asynch ronous command c haracter s and thei r d e scr iptions. The pages li sted pr ovide init ial infor mat ion on the com man ds . The S -r egist ers lis ted ar e cr os s ref ere nce s (s ee the “ Status Re gister s ” secti on on page - 21).
Hard ware Op tions E-2 Modem 36 00 W p age 5 - 14 S7 W ait for 2nd dial t one (S 7 v alue ) ! -- F la sh swi tchboa rd R -- S w itc h to answe r mode a ft e r diali ng ; -- Return to command mode a ft.
Hard ware Optio ns Modem 36 00 E-3 Sn? page 10 -3 -- R ead valu e in regi ste r n ( decimal ) Sn ?^ -- R ead val ue in regi ste r n (h exad ecim al ) Sn=v -- Set v (v alue) in regist e r n (dec imal ) Sn=v ^ page 10 -3 -- Set v (va lue) in register n (h exad ecim al ) Sn.
Hard ware Op tions E-4 Modem 36 00 &D page 5- 20 S21 DTR ignore d &D1 S21 DTR reca lls command mode &D2 S21 DT R di s conne c t s &D3 pa ge 5 - 20 S21 DTR di s conne c t s and resets m.
Hard ware Optio ns Modem 36 00 E-5 &M pa ge 5- 25 S27, S30 Asynchr onous dial / asy n chr o nous data &M1 S27 Asynchr onous dial / synchr onou s data &M2 S27 Dials stored number when DTR off / on trans ition is det ected / sync data &M3 S27 Manual di a l / sync d ata &M4 S30 V .
Hard ware Op tions E-6 Modem 36 00 &T 1 pa ge 7- 3 -- Initia te an alog loopb ack † &T 3 pa ge 7- 5 -- Initia te d i gi ta l loopb a c k † &T 4 pa ge 7- 6 S23 Grant r emote commanded d.
Hard ware Optio ns Modem 36 00 E-7 %A page 6- 6 S64 Disab le auto-r eliab le f allba ck ch arac t er % An S64 Se t aut o-r eli a ble fall bac k cha rac te r to n ( n = ASCII 1-127) † %B page 5- 28 S.
Hard ware Op tions E-8 Modem 36 00 %D page 6- 4 S62 Disab le disconn e ct b uf fer delay %Dn S62 Set disc onnect b uf fer delay in seco nds n ( n = 1-255) %E pa ge 5- 30 S60 Disable a uto retra in % E.
Hard ware Optio ns Modem 36 00 E-9 %R page 5- 30 S53 Disable a utomat ic r ate ada ption % R1 S 53 E n ab le au to ma t ic rat e a d aption lo w BER %R2 S53 Enabl e automa tic rate adapt ion mediu m B.
Hard ware Op tions E-10 Modem 36 00 J pa ge 6- 5 S72 Disab le sla ved DTE/ DCE sp eed (constan t s p e ed DT E on) J1 S7 2 E n able s laved D TE/D CE sp ee d (co nstan t spee d DT E of f) J2 -- Enabl e 230.4 kbps DTE speed J3 -- Di sable 230.4 kbps DTE speed Note T he 2 30.
Hard ware Optio ns Modem 36 00 E-11 Q pa ge 6- 7 S54 Disab le DTE flo w contr ol Q1 S54 Enable DTE XON/XOFF flo w con trol Q2 S54 Enabl e CTS flo w control to the DTE Q3 S54 Enabl es bila tera l CTS/ .
Hard ware Op tions E-12 Modem 36 00 *D A page 5- 32 -- Switch es m ode m to ta lk m o de † *D A1 -- Swi tche s mo dem to data mode † *DB page 5- 36 S32 Manu al di al ba ckup operat ion *DB1 S32 Au.
Hard ware Optio ns Modem 36 00 E-13 *MM7 page 5- 27 -- Reserved *MM8 -- V .29 4-wi re lea s ed onl y *MM9 -- Reserv e d *M M1 0 - - V .3 3 4-w ire l eas ed o nly *MM11 -- V .
Hard ware Op tions E-14 Modem 36 00 *RR1 3 page 5- 31 -- R a te ne got ia t e t o 33600 † *TDn page 5- 33 S5 1 S et s d ial tr an smit leve l -10 to -30 dBm *TH page 5- 27 S97 Lo w V .
Hard ware Optio ns Modem 36 00 E-15 Caller ID Co mmands Distinctive Rin g Commands F ax Comm ands Class 1 Commands Valid in On ly Fax Mo de Command Page S-Reg Descripti on *ID page 5- 17 -- Di sab le .
Hard ware Op tions E-16 Modem 36 00 +FT M=(MO D) pa ge 9-8 T ra n smit d ata with (MOD) carrier * +FT S=(T ime ) page 9-6 Stop trans m is sion and paus e (10 ms interv a l s, 0-255) * * cann ot be exec uted from re mote configuratio n NO TE : The ( MOD ) pa rameter c an be one of the fol l owin g v a lues: 0 or V alueMo dulationSp eed 3V .
Hard ware Optio ns Modem 36 00 E-17 Secu r it y Command s Command Page Des c riptio n Lo w Secu rity $S=x pa ge 8- 4 Sets an e mpty password locat ion to x $C=x,y Changes eit he r pa ss w ord where x .
Hard ware Op tions E-18 Modem 36 00 $Pn= pw$pw page 8- 8 Set us er pas sword; n = use r n umb er and ne w passwo rd ( n = 0 for superus e r pw = pass word) $Rn pa ge 8- 10 R em ove a us er ( n = user .
Hard ware Optio ns Modem 36 00 E-19 Remote Configuration Commands Co m m an d Pag e D e sc ri pt io n %P=n p age 5-4 2 Set re m ot e co nfigu ration s ecuri ty code to v alue n (0 t o 9999999 9) %P? D.
Hard ware Op tions E-20 Modem 36 00 *RF p age 5-4 4 7 da ta bi ts , mar k p a rit y , 1 st op bit *RF1 7 dat a bits, no parit y, 2 s top bits *RF2 7 dat a bits, odd pari t y, 1 stop b it *RF3 7 dat a .
Hard ware Optio ns Modem 36 00 E-21 St atus Reg ist er s S-Reg RO / RW Page Func tion Default Fa c tor y Set #1 S0 R W page 1 0-4 Ring to ans wer 1 S1 R O Ring coun t 0 S2 R W Escape seque nc e cha ra.
Hard ware Op tions E-22 Modem 36 00 S32 RW page 1 0-13 Bit ma pped 06 hex S34 RW Bit mappe d 60 hex S35 R W Defau lt d ial numbe r 1 S41 RW page 1 0-13 R em ote c on fig ur a tio n es ca pe ch aract e.
Hard ware Optio ns Modem 36 00 E-23 S70 RW page 1 0-23 Prot oc ol opera ting mode 0f he x S7 1 RO Pr o toc o l ope r atin g mo de statu s 0 S72 RW page 1 0-24 Bit ma pped 0 S73 RW Pa ssword tim eout s.
Hard ware Op tions E-24 Modem 36 00 V .25 bis Dia ler Co mm ands Synchronou s Comman d Page Desc ripti on CIC page 11-8 Co nnect i n comi ng c a ll comman d CRN nn.
Hard ware Optio ns Modem 36 00 E-25 PRPn page 11-12 Res t or es current opt ion setti ngs to the f actory def aults i n default bank n (1-9) RLL pa ge 11-9 R equ es t list o f li nked nu m be rs co m .
Hard ware Op tions E-26 Modem 36 00 V .25 Respons e Messa ges Response Mess age Meaning CFIA B C all f ailu re - an swer back tone but n o conne c t ion CFIDT Call f ailu re - no dial to ne CFIET C a .
Hard ware Optio ns Modem 36 00 E-27 CNX @ 7200 bp s Inte rm edia te ca ll progres s - conne ct ion mad e at 7200 CNX @ 4800 bp s Inte rm edia te ca ll progres s - conne ct ion mad e at 4800 CNX @ 2400.
Hard ware Op tions E-28 Modem 36 00 F act ory Opti on Sets F actory O p tio n Set #1 (Asynchro nou s Dial-up with V .42 b i s Protocol) (A T&F or AT&F 1) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bila teral digi tal l oop d i sab le d Modula tion a utomode DTE loc al test dis abled V .
Hard ware Optio ns Modem 36 00 E-29 F actory O p tio n Set # 2 (Asynchro nou s Dial-up without V .42 bis Protocol) (A T&F2) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bila teral digi tal l oop d i sab le d Modula tion a utomode DTE loc al test dis abled V .
Hard ware Op tions E-30 Modem 36 00 F actory O p tio n Set #3 (Sync hrono us Dial-up) (A T&F3) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bila teral digi tal l oop d i sab le d Modula tion a utomode DTE loc al test dis abled V .34 rate thr e shol d lo w * DTE remot e test disable d V .
Hard ware Optio ns Modem 36 00 E-31 F actory O p tio n Set # 4 (Synchr o nous 4-wire Leased L ine) (A T&F4) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bilate ral digita l loop enabled * V .34 mod ulation * DTE local t e st disabl e d V .34 rate thr e shol d lo w * DTE remot e test disable d V .
Hard ware Op tions E-32 Modem 36 00 F actory O p tio n Set #5 (A syn chr ono us 4-w ire Leased Line w ith V.42b is P ro toco l) (A T&F5) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bila teral digi tal l oop d i sab le d V .34 mod ulation * DTE local t e st disabl e d V .
Hard ware Optio ns Modem 36 00 E-33 F actory O p tio n Set # 6 (A syn chr ono us 4 -w ire Leased L in e w it ho ut V.4 2bi s P ro toc ol) (A T&F6) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bila teral digi tal l oop d i sab le d V .34 mod ulation * DTE local t e st disabl e d V .
Hard ware Op tions E-34 Modem 36 00 F actory O p tio n Set # 7 (Synchr o nous 2-wire Leased Line Norm al Originate) (A T&F7) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bilate ral digita l loop enabled V .34 mod ulation * DTE local t e st disabl e d V .
Hard ware Optio ns Modem 36 00 E-35 F actory O p tio n Set # 8 (Synchr o nous 2-wire Leased Lin e F or c ed A n swer ) (AT&F8) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bilate ral digita l loop enabled * V .34 mod ulation * DTE local t e st disabl e d V .
Hard ware Op tions E-36 Modem 36 00 F actory O p tio n Set #9 (Synchr o nous V .25bis Di aler) ( AT&F9) MOD EM OP TIONS TEST OPTI ONS DCE rat e - 33600 Bila teral digi tal l oop d i sab le d Modula tion a utomode DTE loc al test dis abled V .34 rate thr e shol d lo w * DTE remot e test disable d V .
Modem 3600 F-1 Ap pendix F ASCI I a nd EBCD IC Ch ara c t er s Hexa decimal equ iva lents of binary and d e cim a l numbers are as foll ows. Hexa decimal Exam ples: Binary Decim al He xadecima l 0000 .
Hard ware Op tions F-2 Modem 36 00 The fol lo wing table l ists ASCII decimal, he xa deci m al, and equi v a l ent ch arac ter v alu es, a nd EBCDI C charac ters . Th e tab le sho ws onl y a va ilable ke yboard s ym bols . Control k eys are sho wn in the ri ght colu mn of th e fi r st ta ble .
Hard ware Optio ns Modem 36 00 F-3 (ESC) 27 1B C1 (C U1) [ (FS) 28 1C F S (form sepa ra tor) (GS) 29 1D G S (gro up separat o r) ] (RS) 30 1E RS (record sepa rator) ^ (US) 31 1F U S (unit sepa ra tor.
Hard ware Op tions F-4 Modem 36 00 7 55 37 ET ( end of tran smission) 85 6 3 8 - - 95 7 3 9 - - :5 8 3 A - - ;5 9 3 B C 3 ( C U 3 ) < 60 3C D4 ( devic e control 4) = 6 1 3 D NK (n o a ck now le dg .
Hard ware Optio ns Modem 36 00 F-5 V8 6 5 6 - - W8 7 5 7 - - X8 8 5 8 - - Y 89 59 ! (e xclamatio n) Z 90 5A $ ( dollar sign) [ 91 5B * (aste risk) 92 5C ) ( close pare nthesis) ] 93 5D ; (semic olon).
Hard ware Op tions F-6 Modem 36 00 u 117 75 -- v 118 76 -- w 119 77 -- x 120 78 -- y 121 79 ` (si ngle quot e) z 122 7A : (colon) { 123 7B # (pound ) | 124 7C @ (at) } 125 7D ' (a p ostrophe) ~ 1.
Hard ware Optio ns Modem 36 00 F-7 Deci mal Hex EB C DIC 146 147 93 l 148 94 m 149 95 n 150 96 o 151 97 p 152 98 q 153 99 r 154 9A -- 155 9B -- 156 9C x 157 9D ) 158 9E ± 159 9F -- 160 A0 -- 161 A1 ~.
Hard ware Op tions F-8 Modem 36 00 176 B0 S0 (SM0) 177 B1 S1 (SM1) 178 B2 S2 (SM2) 179 B3 S3 (SM3) 180 B4 S4 (SM4) 181 B5 S5 (SM5) 182 B6 S6 (SM6) 183 B7 S7 (SM7) 184 B8 185 B9 S9 (SM9) 186 B A -- 187.
Hard ware Optio ns Modem 36 00 F-9 207 CF } (clos e br acke t) 208 D0 J 209 D1 K 210 D2 L 211 D3 M 212 D4 N 213 D5 O 214 D6 P 215 D7 Q 216 D8 R 217 D9 -- 218 D A -- 219 DB -- 220 DC -- 221 DD -- 222 D.
Hard ware Op tions F-10 Modem 36 00 238 EE -- 239 EF -- 240 F0 0 241 F1 1 242 F2 2 243 F3 3 244 F4 4 245 F5 5 246 F6 6 247 F7 7 248 F8 8 249 F9 9 250 F A | 251 FB - - 252 FC - - 253 FD - - 254 FE - - .
Modem 3600 G -1 Appe ndix G Abbreviation s and Acro nyms A ABT Abort Timer OR Answer Back Tone ac A l tern atin g Cu rre nt ACK Ackn owledgme nt, posit ive ACR Abort Call , Re t ry ACU Automatic Ca ll.
Abbrev iatio ns and Acrony ms G-2 Modem 36 00 EO M En d of Messa g e EON End of Nu mber EOT End of Text OR En d of T ran smissi on EP ROM Era sable Prog ramma ble Read Only M emory ER Error ESC Escape.
Abbrevi ations and Acronyms Modem 36 00 G-3 P PBX Priva te B ranc h Exchang e PC Person al Co mputer pc Print ed c ircuit ( board) PIW Po we r I ndi ca ti on PN Pseudo random PND Prese n t Next Digit .
Abbrev iatio ns and Acrony ms G-4 Modem 36 00 X X. CCITT Recommendatio n Designation XMIT Transmit XOFF Transmitter Off XON Transmitter On.
Modem 3600 H -1 App endi x H Flas h Upgrad e Upgr ade y our modem e asil y using this flash update pr ocedure. What Y ou Need • A data communi c ations so ftware pack age that suppor ts a 57.6 kbps DTE rate and “ X mode m CRC ” prot ocol • Flas h upgrade fil e Look for modem software upg rades on t he W eb at t his address : http: //www .
Flash Upgr ade H-2 Modem 36 00 5) From your te rminal softw are pack a ge, sen d the “ f lash upg rade fil e ” to t he modem. Y ou k now the download is working beca us e the LCD di splays: FLASH UPGRAD E IN PR OGRE SS Note Be su re you use the “ X m o dem CRC ” protocol .
Modem 3600 Servic e - 1 Service a nd Support Int r od uct ion U. S.A. cus tomers who h ave q uestion s about pr odu cts or serv ices should r efer to the foll owi ng sect ions.
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V.3600 I nde x -1 Inde x A Ana log loo pback 1 0 -8 An swe r / orig in ate 1 0- 7 Answer mo d e sw itching to af ter di aling 5-15 Ans wering a c all 3-3 ASCII ch arac ter ta ble F-1 As ync D TR di al.
Index Index -2 V .3600 *ND 5- 40 *NT 5-33, 10- 12 *OR 5-36, 10-7 *RC 5- 8, 10- 17 *RD 10- 13 *R O 5-41, 10- 12 *RR 5- 31 * TDn 5- 33 *TLn 5- 36, 10- 14, 10-1 5 +++ 5-22 +FCLASS 9-4 ` 10- 16 A 5- 17, 6.
Index V.3600 I nde x -3 Confi gurat ion profile 5- 40 Con ne ct me ss age s s-r egist er set ting s 10-10 Const ant spe ed int erface 6-2 Cover rem ova l o f C - 1 CTS s-r egist er set ting s 10-9 CTS.
Index Index -4 V .3600 Fact ory o ption s ets set #1 E -28 Fall back ch aract er 6-6 Fau lt isolat ion pr oce dur e D- 1 Fax commands c lass1 quic k re feren ce E -15 D 11-5, 11-6, 11-7, 11-10, 11- 12.
Index V.3600 I nde x -5 N Nor mal mo de 6-2, 6-10 O Of f hoo k com mand de scri ption 5-23 Of flin e command mode 5-2 Onl ine c ommand mo de 5-2 Ope r a t i ng mod e selecti on 6-6 Ope r a ting mod e .
Index Index -6 V .3600 leve ls 8-5 p assw ords 8- 6 rem ote c ode 5-42 rem ote lo gon pr ocedu re 8-11 rem o vin g a us er 8- 10 set le ve ls 8- 8 set tin g pa ss words 8 -8 supe ruser statu s 8-11 v .
Index V.3600 I nde x -7 S81 10-27 S88 10-28 S9 1 0-6 S91 10-29 Str aps grou nd option C-4 Super user See Sec urity 8- 11 Sy nc clock sele ctio n 10-1 1 T Tabl e 5-1 5 -9 Techn ical support 12- 2 Teeph.
Index Index -8 V .3600.
An important point after buying a device Black Box 3600 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Black Box 3600 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Black Box 3600 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Black Box 3600 you will learn all the available features of the product, as well as information on its operation. The information that you get Black Box 3600 will certainly help you make a decision on the purchase.
If you already are a holder of Black Box 3600, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Black Box 3600.
However, one of the most important roles played by the user manual is to help in solving problems with Black Box 3600. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Black Box 3600 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
