Instruction/ maintenance manual of the product 15-1117A 3Com
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Cat. No. 15-1117A OWNER’S M ANUAL Pl ease re ad bef ore usi ng this eq uipm ent . 10 DB Coaxial In-Line Amp lifier 15-1 117a . fm Page 1 Th ursd ay, Ju l y 15, 1999 11:15 AM.
2 Th is sy mbo l is in ten ded t o al ert you to the pr ese nce o f un insu late d dang er- o us vo lt age w ithi n th e p rod uct’ s e nclo - sur e th at mi ght be of suf fici en t ma gn itude to cons tit ute a ri sk of elec - t ric sh oc k. D o not op en the pro d uct’s case.
3 The RadioSha ck 10 dB Coaxi al In-Lin e Am p l i fier brings to your ho m e v i d eo system t he same technol ogy that is used in co mmercial cable sys tems: a singl e, st andard coaxia l cable carries both the TV/ rad io signa l and t he power nec essa ry for the in- line ampli fier.
4 Cauti on: Beca use the In-Line Amplifier uses the coa xial cable to carry the TV/ radio signal from the DC power supply , proper connect ions ar e crucial . Fai lure t o exactl y fol low the connect ion inst ruction s in this manu al can resul t in damage t o your amplifi er or your TV/ radi o receive r.
5 ONE ANTENNA /ONE RECEIVER SYSTEMS If you are using a s ingle antenna with a single TV/ radio r ec eiver, “ Install ation A” s hows the proper connect ions. To avoid d amage to your TV/ r a dio re ceiver and /or the amplif ier power in- jecto r, careful l y check all the poi nt s listed bel ow.
6 Instal lation A Do not plu g in th e po wer i nje ctor until al l connectio ns have been doubl e-c hecked. ILLUSTRATION 15-1 117a . fm Page 6 Th ursd ay, Ju l y 15, 1999 11:15 AM.
7 ONE AN TE NNA/TWO R EC EIVER SY STEMS If you are using a sin gle antenna wit h two TV /r adi o rece ivers , “ I nst allati on B” shows the proper connect ions. To avoid d amage to your TV/ radio r eceiver s and/or the ampl ifier power inj ector , carefu lly check all the p oints listed below.
8 Instal lation B Do not plu g in th e po wer i nje ctor until al l connectio ns have been doubl e-c hecked. ILLUSTRATI ON 15-1 117a . fm Page 8 Th ursd ay, Ju l y 15, 1999 11:15 AM.
9 Additional Ampl ification If addi ti onal amplific ation is needed, you can conn ect anothe r amplifie r in l in e with the fi rs t am- plif i er. Remove the DC bloc k from the opti onal second ampl ifier. One power injec tor wil l s uppl y enough power f or both amplif iers.
10 AMA TEUR TV SYSTEMS You can us e the In- Line Amplif ier with 2.4 GHz, amateur TV (ATV) sys tems, as s hown in “In- stal l ation C.” If t he po wer suppl y provided wi th your ATV ant enna prov.
11 Installat ion C ILLUSTRA TION 15- 11 17a .fm Pa ge 11 Thur sd ay, Ju ly 15 , 19 99 1 1: 15 A M.
12 PR OB L EM SO L VI N G If the TV/radi o recei ver does not operate correctly after insta llation of the In-Li ne Ampli- fier : • Immediatel y unp lug the power i njector . • Check a l l connecti ons and c ompare t hem with th e appropr iate i nstallat ion drawi ng(s) i n thi s m a nual .
13 SPECIFIC A TIONS Am pl ifie r: Frequenc y: 5–900 MHz Gain: 5–50 MHz 8 dB MIN 50–300 M Hz 10 dB MIN 300–900 M H z 9 dB M IN Inp ut Ca pab ilit y ..... ... ..... .. ..... .. ..... ..... .. ..... ... ..... .. ..... ..... .. .... 83 dB µ V MIN ( 7 CHANNEL I NPU TS) Max Input fo r –60dB Third Order Dist ortion.
14 NOTES 15- 11 17a .fm Pa ge 14 Thur sd ay, Ju ly 15 , 19 99 1 1: 15 A M.
15 15- 11 17a .fm Pa ge 15 Thur sd ay, Ju ly 15 , 19 99 1 1: 15 A M.
11 A 7 Pr int e d in C hina Lim ite d Ni ne t y-D ay W arra nty This produc t is warranted b y RadioShack a g ainst m anufacturin g defects i n mate r ial and workmans hi p u nder normal use for nin et y ( 90 ) da y s from the date of pur chase from Rad i oSh ack compan y -owned s tores and authorized R adi oS hack franchis ees and d ealers.
An important point after buying a device 3Com 15-1117A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com 15-1117A 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 3Com 15-1117A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com 15-1117A you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com 15-1117A will certainly help you make a decision on the purchase.
If you already are a holder of 3Com 15-1117A, 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 3Com 15-1117A.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com 15-1117A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com 15-1117A 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
