Instruction/ maintenance manual of the product EX-16 TOA Electronics
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TOA EX-16 INTERCOM SYSTEM INSTALLATION HAND BOOK TOA ELECTRIC CO ., LTD. KOBE, JAPAN.
1. Introduction ...................................................... 2 . Introduction o f the EX-16 S ystem............................... 2 . 1 Exchange ................................................ 2.1.1 Features 2.1.2 Specifications 2.1.3 Further Details 2.
1 . Introduction This is the installation manual f or the exchange, stations a nd other components of TOA Intercom System EX-16. I t includes a n outline o f t he system, a n explanation of installation, cable connection, inspection procedures an d a troubleshooting guide.
2.1.2 Specifications Th e exchange i s available with the following specifications. EX-16 Capacity: Dimensions: Weight: 1 6 lines max. (with paging function) 360(W) X 300(H) X 100(D)mm (14.2" X 11.8" X 3.9") 8. 3 kg (18.3 lb s.) with 1 6 li nes Exchange capacity c an b e increased w ithin th e given limits i n uni ts of 4 lines.
(a) Structure o f Exchange an d Names of Parts Lin e Am p Uni t (LAU-16) Central Processing Uni t (CPU-16) Connector EX-16 DIMENSIONS in mm Short B ar Po we r Transformer Terminal n AC Fus e Holder DC.
(b) C P U (Central Processing Unit) Th e Central Processing Un it is di vided in to two sections: c ommon control and speech path. Common control: This section consists o f a microcomputer an d associated other circuits.
( c ) LAU (Line Amplifier U nit) T h e Li n e Amplifier U n it consists o f a pow er supply circuit fo r stations, transmitting an d receiving circuits for voice signal, speech pa th switches, B G M switches an d th e di a l da ta receiving circuits. One unit accepts u p to 4 stations.
Station Terminal LAU-16 (1) LAU-16 (2) LAU-16 (3) LAU-16 (4) DSM-16 Inside Vie w Units (e) Integral Terminal fo r Connecting Stations Th e connection terminal for th e exchange an d stations i s built i nto the exchange an d connected to each L AU w it h a mother board.
2 .2 Stations 2.2.1 Features The stations used in t he To a Intercom EX-16 have th e following features: 1 . E ac h station i s provi ded with a ma le 4 -pin pl ug (YC-102) for e a sy con - nection to cables. 2 . Wiring from th e exchange to ea ch station i s a n independent 4-wi re system.
Station Specifications Permissible Loop Resistance: Input/Output Impedance: Loudspeaker Output: Handset Speaker Output: 300 o h m s 6 00 ohms (balanced) 300mW m aximum 100mW m aximum 2.
1 . Power Switch 2. Power Indicator 3 . Output Volume Control 4. Input V o l u me Control 5 . Rubber F oot 6. A C Inlet 7 . Voltage Selector 8. 8-Pin T erm ina l Board 9 . Output Jack 1 0. T erm inal Board C over SPECIFICATIONS Power Source: Input: Output: Control: Speech Control: S/N Dimensions: Weight: 100~120/200~240V AC Talk-Back Max .
3 . Installation of th e EX-16 System 3. 1 Precautions fo r Installation 3.1.1 Exchange P a y particular attention t o the following po ints: * T he layout should allow e as y servicing an d inspection. * Th e exchange i s compact a nd lightweight; however, it i s important to ascertain the strength o f the wall on which i t will b e placed.
3. 1. 2 Stations Particular attention should b e given t o t he following points during installation. * A desk-type, wa ll-mounting-type o r desk/wall-type should b e chosen according to t he u ser' s need.
3.2 Cable Installation Wir e type, number of w ir e pairs and number o f individual wi res are t o b e determined f or individual sections of the w iring system according to the guidelines set down below.
3 .4 Wiring General Information * Wiring should b e done independent o f public t el ephone lines. * T he wiring c on dui t i s oft en installed underground o r embedded i n buil ding structures su ch.
3.5 Piping * Where w iring i s t o b e passed through a wall or the like, i t should b e protected b y a har d P V C o r metal tube. * I f t he nu mb er of connecting wir es between an indoor terminal.
3 .6 Connection between the s tat io n a nd the exchange 4- Pin Jack (YC-101) (YC-103: 4-Pin Jack fo r fl ush-mount) NOT E: Use 4" X 2 " Swit ch Box fo r YC-103.
Note: Connect the individual cables i n order, starting wi th th e t op ter- minal. When using the clip pin g tool, b e sure that the cutting e d ge i s o n th e side o f the wire t o b e c ut off.
EX- 16 WIRI NG INSTRUCTIONS 1 STATION CONNECTIONS or 2 TALK-BACK CONNECTIONS TKU-11 TERMINAL TERMINAL BOARD SPEAKER LI NE I NPUT 17.
3 .7 AC/DC Po wer Supply Connection A 5P terminal for A C and DC power supply i s provided o n the DSM-16. The power cable, YA-308 or YA-309, can b e connected to the 5P terminal. B e sure to ground the exchange. Power Supply Cables 5 P Terminal on DSM-16 YA-308 3.
3.8.1 BGM Input Input im pedance: 5 0 K (unbalanced) Inp ut level: -10dB m a x . Output level: 100mW (a) Remove the short b ar connected to th e terminal. (When B G M i s not employed, the short ba r should b e kept o n t he terminal. I f the sho rt b ar i s not replaced, a humming sound wi ll b e heard fr o m th e station.
3.8.4 Wirin g Diagram BGM AMP DOOR 20.
3. 9 Connection of the Talk-Back Unit Connection o f the talk-back uni t i s shown bel ow. SPEAKER SPEAKER EX-16 TERMINAL BOARD Wh en the talk-back speaker i s u se d as a m icrophone, sound clearness an d microphone sensitivity vary according to the am bient noise level an d in- stallation position.
3. 10 Connection of the Speaker Station I n the EX-16, instead o f using a station, a speaker f or one-way conversation can b e installed using a jumper i n the LAU-16. This is possible a t each station position on the LAU -16. 3.10.1 Wiring Procedure (a) First, determine the num ber of station speakers to be installed.
3. 10.3 Connection wit h the Exchange Connect speakers t o ter min als 1 a nd 2 a s shown i n the diagram. (Leave terminals 3 a nd 4 open.) 3.10.4 O n / O f f Control of BGM B G M c a n b e tur ned off w hen t he jumpers ar e connected a s shown i n t he diagram.
Jumper fo r Speaker Station Selection Jumper f or BGM On/Off F o r B G M on/off operation remotely, the control lin e ca n b e extended the same w ay a s for station wiring. How to Connect the Jumper W ir e 1 . Use a 0.6mm diameter p lated wi re as jumpe r .
4 . Installation Adjustment 4.1 Inspect Before Turning Power On. * Before supply power, check the power connections (power connections should b e complete) an d th e fuse. Also, voltage selector should b e s et correctly. A ll m odules should b e in place.
Program Sw itch Details Power Remote Door Rem ot e 1 . Se t th e mini-jump i n th e J P1 position fo r door remote. Relay goes o n for 4 seconds when buttons an d are pressed. 2 . S et th e mini-jump i n t he J P2 position for power remote. Press bu tt on s and to tur n relay on.
4.3.1 Precedure ( 1) Turn on power switch on t he exchange. (2) Adjust th e sound level of the external P A paging and check the power remote f unction. (a) Connect one station. (b ) Press buttons an d t o test the sound level. A djust t he volume control o f th e external amplifier.
(3 ) I f t he voltage measured is normal a t every point, connect one un it a t a time checking the voltage after eac h connection. (4) I f the voltage i s upset after connecting an y given unit, the unit is to b e replaced.
4.3.3 Relationship Between Ambient Noise and C onversation M od e The EX-16 system i s provided w ith v oice switches f or the p ress-to-talk func tion which i s required when the ambient noise level is high. Below is a guide f o r u sing the press-to-talk function.
5.1 Fault in Exchange * When the power supply un it or the CPU-16 is out of order, the sa me k ind of fault w ill occur a t all stati ons. * Whe n the LAU-16 is out of orde r, a fault wi ll appear onl y at a particular station. * I f the exchange is out of order, the faulty un it m us t b e searched ou t an d replaced.
5. 2 Fault in Specific Station On ly Find the cause according to th e fo llowing table i f the fault lies w i th a specific station only, no t with all stations. SYMPTOM Dialing ca n not b e m ad e a t privacy o ff mode. Specific key d oe s n ot operate.
5.3 Fault in Cable 1 . O ne of transmitting lines (T-Line) is disconnected Symptom: 1 - 1 A can dial. 1-2 A ca n hear B . 1 -3 B c an not hear A. 1 -4 Noise i s heard a t B. 1 -5 Noise i ncr eases a t B whe n Press-To-Talk ba r i s pressed at A. 2 . One o f receiving lines (R-Li ne) is disconnected.
3 . T-Line an d R-Line a re shorted o r mixed u p . Sho rted or mixed u p 3 - 1 A can no t dial. 3 - 2 Conversation i s impossible between stations. 3 -3 When B dials A, noise will b e heard at B immediately after the calling tone. 4 . T-Li ne an d R-Line are connected conversely.
TOA ELECTRIC CO., LTD. KOBE, JAPAN Printed in Japan.
An important point after buying a device TOA Electronics EX-16 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought TOA Electronics EX-16 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 TOA Electronics EX-16 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, TOA Electronics EX-16 you will learn all the available features of the product, as well as information on its operation. The information that you get TOA Electronics EX-16 will certainly help you make a decision on the purchase.
If you already are a holder of TOA Electronics EX-16, 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 TOA Electronics EX-16.
However, one of the most important roles played by the user manual is to help in solving problems with TOA Electronics EX-16. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device TOA Electronics EX-16 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
