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TOA Electronics EX-16 - page 1
TOA EX-16 INTERCOM SYSTEM INSTALLATION HAND BOOK TOA ELECTRIC CO ., LTD. KOBE, JAPAN ...
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TOA Electronics EX-16 - page 2
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 2.1.4 System Block Diagram 2.2 Stations ............................................... ...
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TOA Electronics EX-16 - page 3
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. Careful study of this manual i s recommended prior to installation o f the s ...
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TOA Electronics EX-16 - page 4
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. Exch ...
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TOA Electronics EX-16 - page 5
(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 Fus e Holder Powe r Indicator Voltage Selector Power Switch AC/DC Inp ut Terminal — Power Supply Module (DSM-16) Mother Board Terminal for Station ...
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TOA Electronics EX-16 - page 6
(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. I t controls receiving dial data from stations, opening and closing o f speech path, controlling o f signal, paging and BG M swit ...
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TOA Electronics EX-16 - page 7
( 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. A m aximum of 4 LAU's c an b e installed. (d) DS M (Power ...
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TOA Electronics EX-16 - page 8
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. (Wiring o f t he terminal a nd the station wil l b e explained i n a separate s ...
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TOA Electronics EX-16 - page 9
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. The f act th at only 4 wires ar e necessary makes installa ...
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TOA Electronics EX-16 - page 10
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 2.3. A ccessories 2.3.1 Wa ll Moun ting Panel (YC-100) Th e wall mounting panel is used fo r HF M -100 an d HFS-100 w he n these stations are to b e surface wall-mount ...
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TOA Electronics EX-16 - page 11
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 0 d Bm ...
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TOA Electronics EX-16 - page 12
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. * The ...
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TOA Electronics EX-16 - page 13
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. * I f t he all-call paging or talk-back fun ction i s a d o pted, precautions should b e taken to ensure against feedback d ue to interfer ...
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TOA Electronics EX-16 - page 14
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. * 4-wire twisted pair cables are to be used f o r w iring between indoor terminal boards, intermediate terminal boards, main te rm inal boards, e ...
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TOA Electronics EX-16 - page 15
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 a s walls a n d floors, s o car e should b e taken to d raw u p a wiring pl an that h a s ample reserve f or future extension of the system and tha t ...
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TOA Electronics EX-16 - page 16
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 board an d a station is small a nd the station's site i s fixed s o tha t i t will n o t b e moved frequently, install a box at that site an d p ...
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TOA Electronics EX-16 - page 17
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. Receiving Li ne s (no t Polarity Specified) Transmitting Lin es (not Polarity Specified) (Viewed from the station side) Station 4-Pin Plug (YC-102) Plug in (Cover) 15 ...
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TOA Electronics EX-16 - page 18
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. Clipping Tool C (YC -105) Cutting edg e Push do wn Cl ip Terminal Clip Terminal (Side View) 16 ...
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TOA Electronics EX-16 - page 19
EX- 16 WIRI NG INSTRUCTIONS 1 STATION CONNECTIONS or 2 TALK-BACK CONNECTIONS TKU-11 TERMINAL TERMINAL BOARD SPEAKER LI NE I NPUT 17 ...
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TOA Electronics EX-16 - page 20
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. 8 Connection of the Input/Output Terminal A 6P terminal fo r the input/output signal ...
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TOA Electronics EX-16 - page 21
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.) The short ba r i s refe ...
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TOA Electronics EX-16 - page 22
3.8.4 Wirin g Diagram BGM AMP DOOR 20 ...
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TOA Electronics EX-16 - page 23
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. Th e s e nsitivity o f the talk-back speaker&apo ...
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TOA Electronics EX-16 - page 24
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. (Any n umbe r of station spe ...
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TOA Electronics EX-16 - page 25
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. I f the jumpers a re n o t connected, B G M wi ll b e heard from the speaker stations ...
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TOA Electronics EX-16 - page 26
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 . 2 . S olde r o n t he soldered e nd. 3. Use a s o l d e r i n g i r o n w i t h l ess th a ...
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TOA Electronics EX-16 - page 27
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. Check the ROM on the CPU-16. It should b e se t securely i n th e socket. Make sure that exch ...
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TOA Electronics EX-16 - page 28
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. Press button to tu rn relay off. Note: The unit is set in the JP1 pos ...
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TOA Electronics EX-16 - page 29
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) Complete a speech test with each of the other stations. (a ) ...
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TOA Electronics EX-16 - page 30
(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. (b) I f there i s n o response to dialing: (1) Disconnect the plu g fo r the particular station from t he line and check the ...
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TOA Electronics EX-16 - page 31
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 . Trouble Shooting Guide Repairing of the EX-16 system i s basically don e b y re ...
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TOA Electronics EX-16 - page 32
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. Fault i n exchange Check the ...
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TOA Electronics EX-16 - page 33
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. Calling tone can not be heard. Sound fr o m the other party can not b e heard. Sound is not tra ...
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TOA Electronics EX-16 - page 34
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. Symptom: 2 -1 A can dia l without dialing tone. 2 ...
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TOA Electronics EX-16 - page 35
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. Symptom: 4 -1 A ca n no t dial. 4 -2 Conversation is impossible betw ...
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TOA Electronics EX-16 - page 36
TOA ELECTRIC CO., LTD. KOBE, JAPAN Printed in Japan ...
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