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LINK SELECT Switch

The switch position is to be selected in accor-

dance with the number of links in use. The line

address and the signal code of the link in use

are then displayed by the lamps.

Note: These select switches are to be manipu-

lated using the binary notation.

LINK BUSY Lamp

These lamps display the number of the link in

use.

CLOCK Lamp

Indicates that the control signal for the time

sharing switch is being transmitted normally.

- 11 -

Summary of Contents for EXES-5000

Page 1: ...TOA EXES 5000 INTERCOM SYSTEM INSTALLATION HAND BOOK TROUBLE SHOOTING INTERCOM SYSTEM TOA ELECTRIC CO LTD KOBE JAPAN...

Page 2: ...ies 23 23 24 25 4 Cable Installation and Connection 4 1 Cable Installation 4 2 Core Diameter VS Transmission Distance 4 3 Wiring 4 4 Piping 4 5 Exchange and Terminal Board Connection 4 6 Connection of...

Page 3: ...CONTENTS 8 Trouble Shooting Guide 8 1 Fault in Exchange 8 2 How to Find Short between T Line and R Line 8 3 Fault in Specific Station only 8 4 Speech and Function Test 60 62 63 66 68...

Page 4: ...of installation cable connection and inspection proce dures and a trouble shooting guide Careful study of this manual is recommended prior to installation of the system This manual is only intended to...

Page 5: ...independent inspec tion of the wiring and the exchange proper 3 The wiring for each station is an independent 4 wire system which uses a minimum number of connect ing wires and means greater ease in...

Page 6: ...56 lines with paging function 12 links max 10 links with conference function Dimensions 20 6 H x 19 7 W x 12 6 D 522mm 500mm 320mm Weight 99 2 Lbs max 45 kg max EX 520 Capacity 128 lines max 120 lines...

Page 7: ...F 0 50 C Audio Input Level 10dBm 10mW max Audio Output Level 30dBm 1W max Bandwidth 50 5 000Hz Noise Level 75dBm Cross talk 60dB Harmonic Leakage Under 40dB circuit terminals Subscriber Impedance 600...

Page 8: ...l Unit HCU Highway Control Unit Speech Path Section SGD Signal Generating and Distributing Unit DLU Duplex Link Unit CLU Conference Link Unit LMU Line Modem Unit PIU Paging Interface Unit The individu...

Page 9: ...a power failure The case is composed of a cabinet and a frame with connec tors The cabinet is not needed when the exchange is mounted on a 19 rack The connectors and the frame are completely wired at...

Page 10: ...ROGRAM Switch When functions such as secretary transfer master substation and executive priority are employed the registration cancellation and changing of these functions are taken care of through St...

Page 11: ...temporary storage before usage of the output data from CPU classified by lines SCN SELECT Lamp These lamps display the scanning conditions of both the station Privacy ON OFF conditions and the dial da...

Page 12: ...paly the numbers of the stations using the selected link T Transmitting station R Receiving station SIGNAL CODE Lamp These lamps display the code of signal tone being used by the selected link SIGNAL...

Page 13: ...s and the signal code of the link in use are then displayed by the lamps Note These select switches are to be manipu lated using the binary notation LINK BUSY Lamp These lamps display the number of th...

Page 14: ...operates under HCU control to connect or disconnect the in dividual links for hands free con versation between two stations One DLU is provided with 4 links Up to 3 DLUs can be installed with the EX...

Page 15: ...al generators calling privacy dis connected busy dialing no regist ration group paging zone paging all call priority execution priority registration call holding mic off and distributors This unit dis...

Page 16: ...1 1 sec Calling tone fL fH 470 627 fL fH 627 783 Privacy tone 235Hz 235Hz 235Hz 235Hz 235Hz 235Hz Busy tone 470Hz 470Hz Dialing tone Zone Group Paging 783Hz 627Hz 783Hz 627Hz All Call Paging Priority...

Page 17: ...under HCU control to connect or disconnect the links for hands free conference among up to 4 parties and hands free speech between two parties One CLU is provided with 1 conference link and 2 hands f...

Page 18: ...di tions and the dial data Up to 8 stations can be connected to 1 LMU Station No Lamp Of the numbered lamps the one corresponding to a given station is lit brightly or dimly to reflect the condition o...

Page 19: ...Off Exchange and station are not con nected Arrangement of the LMUs with individual ranges for the station numbers covered from left to right is shown here 17...

Page 20: ...assigned YR 801 cable to terminal J8 or J16 of the Terminal board BOX 064 while the group paging signal is distributed to the connec tor of the PIU unit This unit can control up to 7 areas zones and...

Page 21: ...n be quickly made with a screwdriver 3 There are three types of stations available the desk top type the flush mounting type and desk wall type Each type is available in 2 models both master and subst...

Page 22: ...able of calling only its Master Station and also of using the privacy single digit dialing and press to talk functions Station Specifications Ambient Temperature 32 140 F 0 60 C Permissible Loop Resis...

Page 23: ...wo terminal board BOX 064s are need ed for one exchange EX 520 The exchange and the terminal board are connected by junction cable YR 801 To connect the station line to the terminal board clip termina...

Page 24: ...nect the ex change to 8 stations 8 x 4 32 through the terminal board BOX 064 At each end the cable is equipped with a multi pole connector which can easily be plugged into the provided socket on the e...

Page 25: ...r example a PA system the exchange should be connected to the other components for common grounding Choose a low source noise AC power supply for the exchange Line noise can affect speech quali ty Be...

Page 26: ...ulnerable to the influence of an electric field 3 2 Stations Particular attention should be given to the following points during installation Choose a desk type flush mounting type or desk wall type s...

Page 27: ...t In a strong electric field SCR type light dimmers 3 3 Accessories The terminal board BOX 064 which is to be connected to the exchange by junction cable YR 801 can be mounted on a wall near the excha...

Page 28: ...s a rule private branch cables are to be for wiring between indoor terminal boards intermediate terminal boards main terminal boards etc Indoors the number of cables that can be run through a conduit...

Page 29: ...ifier s for Paging 1 Junction Cable YR 801 2 Private Branch Cable 3 4 Wire Telephone Cable Fig 9 Note Since hardware to connect the cable to the terminal board BOX 064 is provided there is a limit to...

Page 30: ...xchange to the station and the DC resistance DC loop resis tance Less than 300 ohms are met Speech Attenuation DC Loop Resistance and Service Distance as Functions of Core Diameter 22 24 25 3 0 64 20...

Page 31: ...d in Wiring or expansion of the building it is housed in Wiring systems must be planned with ample wires and conduit and with provision for additions to the system Spacing Since the working voltage of...

Page 32: ...rement should be observed since intercom cable is vulnerable to heat Water Pipe 4 10 Radio transmitting coaxial cables CB and other Telephone wire 12 30 More spacing is required where there is a risk...

Page 33: ...ube as required by job or ordinance Use a floor duct if the number of connecting wires is large and the stations are likely to be moved frequently Station wiring which must be laid across open areas o...

Page 34: ...hange A single junction cable should be connected to the terminal board to cover 8 station lines One terminal board BOX 064 can accommodate up to 64 stations thus 128 stations can be provided with two...

Page 35: ...e EX 510 with the rear panel removed Fig 11 Fasten with clamps Junction Cable YR 801 Cable Diagram when Exchange EX 520 is used Exchange EX 520 with the rear panel removed Fig 12 Junction Cable YR 801...

Page 36: ...Rear Connector of the Exchange Teminal Board Side Terminal Board Connector Exchange Side Insert Insert tightly Alignment Pin Junction Cable 8 2 ft 2 5m long Fig 13 34...

Page 37: ...the inside of the terminal board Connect the individual cables to the clip terminals following the terminal wiring diagram attached to the door If the number of circuits involved is 65 or more or 57...

Page 38: ...3 4 Accessory Clipping Tool C Specifications of the Clip Terminals 1 Connectable wire solid wire size range 1 Insulated wire Core diameter 0 4 0 8mm l 64 l 32 2 Bared wire Core diameter 1 0mm max 0 04...

Page 39: ...e insulation to be removed should be 1 5 times the length of the clip terminal Clamp the cable in place securely using a clamp Leave the insulation on the cable wires and attach cable to the upper par...

Page 40: ...rminal Board BOX 064 Clipping Tool C Note Connect the individual cables in order starting with the top terminal When using the clipping tool be sure that the cutting edge is on the down side Cutting e...

Page 41: ...Cover 4 Pin Jack YC 101 YC 103 4 Pin Jack for flush mount NOTE use 4 x 2 Switch Box for YC 103 Terminal Board BOX 064 Clip Terminals Receiving Lines not Polarity Specified Transmitting Lines not Pola...

Page 42: ...PA amplifier To speakers Power control relay AC Power Fig 17 Specifications of each output line 1 Audio signal line Impedance 600 ohm balanced Output level 10 dBm 2 Control line Relay contact capacity...

Page 43: ...nd take out the group paging assignment module carefully by inserting a screwdriver into a slot next to the module In the LMU modules numbers are arranged so that when viewed from the parts side with...

Page 44: ...Fig 18 2 PIU Strapping Fig 18 1 LMU ALL CALL 40 PIN Assignment Socket for Group Paging 42...

Page 45: ...red by the individual LMU modules are in dicated in Fig 19 Grouping of the station numbers is in dicated by the broken lines Jumper wires 6 for LMU 1 200 207 and Jumper wires 5 6 and 7 for LMU 3 216 2...

Page 46: ...Strappings 46B 46A Rear side Line Modem Unit LMU Group Paging Input 200 201 202 203 204 205 206 207 Line Modem Unit LMU 44...

Page 47: ...ires or lapping wires for connection When connecting wires check the following There are two wires from each LMU module to group paging assignment socket For prevention of noise in the line if there i...

Page 48: ...ent and 40 Pin IC Socket 4 8 Connection of Power Supply The connection on the terminals of the power section is illustrated next page Fig 21 When batteries are to be connected connect the con nector a...

Page 49: ...Set the voltage selector in conformity with 47 the source voltage to be used Power Supply Unit DS 510 Fig 21 Put batteries in the bottom compartment of the Power supply unit BLK COM BLU 18V RED 24V B...

Page 50: ...200 for the programming Determine the station numbers before registering For secretary transfer function Determine the station numbers of the executive and his secretary For master substation functio...

Page 51: ...for more than 10 times to ascertain signal tone Touch key to ascertain dial tone Touch key for more than 10 times to ascertain signal tone Touch key to ascertain dial tone Is Secretary Transfer necess...

Page 52: ...rrect dialing touch C key to ascertain dial tone and re start from the beginning YES Station number of executive New station number of secretary Ascertain signal tone Ascertain dial tone Registration...

Page 53: ...rks In the event of failure to touch keys for corrent dialing touch C key to ascertain dial tone and re start from the beginning Sub station number New Master station number Ascertain signal tone Regi...

Page 54: ...leased Ascertain signal tone Ascertain dial tone Release finished YES Change Number of station where registration is released Ascertain signal tone Ascertain dial tone Ascertain signal tone Number of...

Page 55: ...Photo of CPU 53 A B C...

Page 56: ...the time interval before the start of the paging signal and switch on programming of 3 special functions OFF When the switch is down Fig 23 PHOTO A 1 Turn on when DLU 1 or CLU is used 2 Turn on when...

Page 57: ...n the front panel of the CPU model this switch does not have to be used and should be kept in the OFF position B Connecting Jack for back up battery This jack serves as the connection to the back up b...

Page 58: ...e connected as il lustrated above to prevent unnecessary discharge Insert the jack into the pin A By so doing the batteries will be connected and will safeguard the programming of the special function...

Page 59: ...ramming station Calls from other stations will not be transmitted to station 200 during the time it is functioning as a programmer This setting however has no effect on other sta tions OFF Station 200...

Page 60: ...lectricity is not supplied Turn off the switch and check the cord and fuse Handle Plug in units with care plug in units in corporate CMOS After the exchange is plugged in do not attempt to disconnect...

Page 61: ...by the volume control on the back of the station Use a small screwdriver turn clockwise for maximum and counterclockwise for minimum volume There is also a volume switch on the keyborad of the station...

Page 62: ...ategory is involved then refer to the chart below for assistance in fault finding All stations do not operate Same sympton in every station Fault in specific station only Fault in an exchange Cable fa...

Page 63: ...heck wiring to the station Replace the station LMU Clear all No 200 programmings Dial at any M station One of LINK BUSY lamps on HCU lit brightly Replace Station HCU OCU CPU Turn on LINK SELECT switch...

Page 64: ...of the voltage selector Faulty power transformer Abnormal voltage of 18V Right range 17 5 18 5V Faulty 2SA 753 Faulty A7818KC Abnormal voltage of 5V or 12V Right range 4 9 5 IV 11 5 12 5V DC DC invert...

Page 65: ...the following procedure 1 Turn off the privacy switch on all stations in the system 2 Turn on the power switch of the system for several seconds then turn it off 3 Watch the lamps on the LMU panels T...

Page 66: ...B can not hear A 1 4 Noise is heard at B 1 5 Noise increases at B when Press To Talk bar is pressed at A LMU Lamps Normal 2 One of receiving lines R Line is disconnected T Line T Line R Line Disconnec...

Page 67: ...ations 3 3 When B dials A noise will be heard at B immediately after the calling tone LMU Lamps Brighter than normal 4 T Line and R Line are connected conversely T Line T Line R Line Conversed EXCHANG...

Page 68: ...heard on dialing Sound from the other party can not be heard Same sympton remains even if the station is replaced Short or open in R Line Fault in the demodulation cir cuitry on LMU Check LM 380 MT 54...

Page 69: ...PCB after checking if MIC unit is not touching its case Immediately after the calling tone the line switches to cancel busy dial tone etc Same sympton remains even the station is replaced One of R Li...

Page 70: ...nd volume can be adjusted by the volume on the rear of the station Fully clockwise for maximum A call to a station in the room produces reverbera tion and may present broken sound Turn down the volume...

Page 71: ...Master Substation Touch dial at substation can call its master station Executive Priority Is this function operated at stations involved Use all number keys including and Press To Talk bar Vol L H and...

Page 72: ...MEMO...

Page 73: ...MEMO...

Page 74: ...TOA ELECTRIC CO LTD KOBE JAPAN Printed in Japan EX5 7 01R 79...

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