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Connector type: One XLR-3M for each channel.

Balanced Configuration Pinouts

Pin 1: Common

Pin 2: Intercom audio low and +24 VDC input

Pin 3: Intercom audio high and +24 VDC input

Intercom Channel, Unbalanced Mode (All BAL / UNBAL switches set to UNBAL position)

Output Level: 1 Vrms ±10%

Input Impedance: 150 ohms

Bridging Impedance: greater than 10,000 ohms ±5%

Call Signaling:

Send: 11 ±3 VDC

Receive: 4 VDC minimum

Connector Type: Uses the same connectors as for balanced mode, above, but with pinouts
modified by BAL/UNBAL switch on back panel as follows:

XLR-3 Unbalanced Configuration Pinouts

Pin 1: Common

Pin 2: +24 VDC input

Pin 3: Intercom audio high

Expansion Input/Output

Connector Type: 1/8" (2.0 m) stereo phone jack

Tip: Talk output

Ring: Listen input

Sleeve: Common

1 7

Содержание EMS4000

Страница 1: ...ex User Instructions Model EMS4000 Four channel Expansion Master Station and Power Supply Audiocom Intercom Systems RESET 5 3 6 4 EMS4000 Listen Call Talk Listen Call Talk Listen Call Talk Listen Call Talk ...

Страница 2: ...mmercial environment Operation of this equipment in a residential area may cause interference which the user at his own expense will be required to correct This product meets Electromagnetic Compatibility Directive 89 336 EEC Introduction Thank you for purchasing the Audiocom EMS4000 Four channel Expansion Master Station and Power Supply We hope the many design features of this product will satisf...

Страница 3: ...4 Features 5 Installation 7 Unpacking 7 Configuration Pre check 7 Mounting Configurations 10 Connection Notes 14 Cables 14 Power Up 15 Sidetone Adjustments 15 Operation 15 Specifications 16 Factory Service and Parts Information 18 3 ...

Страница 4: ...ut of the MS2000 are most likely not used and the station operator has only talk listen and call capability It is also possible that advanced features of the MS2000 such as Mic Kill Send might be turned off Alternatively the MS2000 EMS4000 can be used as a master station In this application one or more program inputs and the PA output may be connected and the program signals to the intercom channe...

Страница 5: ... intercom channels 8 EXP IN and EXP OUT Connectors The EXP IN connector receives the micro phone audio signal from the MS2000 and it sends the monaural mix of the four EMS4000 channels to the MS2000 speaker or headset The EXP OUT connector connects to the EXP IN connector of an additional EMS4000 Up to 4 EMS4000 Expansion Master Stations may be daisy chained with the EXP IN and EXP OUT connectors ...

Страница 6: ...activates a channel s talk key or no program interrupt during talk The EMS4000 program inputs connector may be broken out to common 3 pin XLR audio cables using an optional XP 4PGM Breakout Panel 12 Configuration Switches Jumpers and Sidetone Controls Figure 2 These let you customize the operation of the EMS4000 to match your intercom system re quirements See Configuration Pre check page 7 for det...

Страница 7: ... not remove the cover un less you are qualified to do so AVERTISSEMENT Les instructions qui suivent s adressent uniquement a un technicien qualifie Pour evite des chocs electriques ne pas ouvrir le boitier a moins d y entre habilite Configuration Pre check Before making connections read the configuration notes that follow and make sure that all switches and jumpers are properly set for your intend...

Страница 8: ...W2 Audiocom or Clear Com operation Out Audiocom Balanced In Clear Com Unbalanced Out BAL S200 S600 Audiocom or Clear Com operation BAL Audiocom UNBAL Clear Com BAL DIP Switch SW3 Internal SW3 1 Audiocom Call Send Ch 5 On Closed Enabled Off Open Disabled On SW3 2 Audiocom Call Receive Ch 5 On Closed Enabled Off Open Disabled On SW3 3 Audiocom Call Send Ch 6 On Closed Enabled Off Open Disabled On SW...

Страница 9: ...using the MS2000A EMS4000 with a Clear Com Intercom System All switches must be set the same Direct Program Listen Enable Disable Jumpers By default each program input can be heard by intercom stations on the correspond ing intercom channel This can be turned on or off for each program input via the MS2000 front panel programming See Turning the Program Inputs On and Off in the Operation section o...

Страница 10: ...dure Mounting Configurations The EMS4000 mounts in a standard 19 inch equipment rack and is 1 rack unit high Install the 2 supplied rack mount cosmetic covers when installing the EMS4000 in the rack When rack mounting components you may not be able to access the sidetone trimmers after the components have been mounted In this case you can position the components in the rack and make all required c...

Страница 11: ...7 10 XP 4PGM BACK FRONT PGM 7 IN PGM 8 IN PGM 9 IN PGM 10 IN TO TW 7W SPLITTERS FOR HOME RUN CONNECTION OR TO A STRING OF INTERCOM STATIONS DAISY CHAIN CONNECTION 1 1 1 1 1 1 9 9 9 9 1 1 1 1 9 9 9 9 10 9 5 5 5 7 9 8 7 CH 7 CH 8 CH 9 CH 10 TO ANOTHER EMS4000 TO TW 7W SPLITTERS FOR HOME RUN CONNECTION OR TO A STRING OF INTERCOM STATIONS DAISY CHAIN CONNECTION 7 Figure 4 Master station with multiple ...

Страница 12: ...IONS EGM MIC CHN3 CHN4 CHN5 CHN6 CLASS 2 WIRING 1 5 A 24 VDC EXP IN EXP OUT 3 5 4 6 LINE LEVEL 1 VRMS BAL OUT UNBAL IN PROGRAM INPUTS PGM VOL 3 4 5 6 TELEX COMMUNICATIONS INC MADE IN USA 100 240 VAC 60 50 HZ 3 4 5 6 3 4 5 6 EMS4000 Reset Listen Call Talk Listen Call Talk Listen Call Talk Listen Call Talk EMS4000 CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 1 1 5 Figure 5 6 Channel Daisy Chain Configuration This ...

Страница 13: ...S BAL OUT UNBAL IN PROGRAM INPUTS PGM VOL 3 4 5 6 TELEX COMMUNICATIONS INC MADE IN USA 100 240 VAC 60 50 HZ 3 4 5 6 3 4 5 6 EMS4000 Reset Listen Call Talk Listen Call Talk Listen Call Talk Listen Call Talk EMS4000 CH 1 CH 2 1 CH 3 1 TW 7W 1 1 1 1 1 1 1 CH 5 TW 7W 1 1 1 1 1 1 1 1 CH 4 1 TW 7W 1 1 1 1 1 1 1 5 TELEX COMMUNICATIONS INC MADE IN USA Figure 6 6 channel Home run configuration With a heads...

Страница 14: ... cable with Male and Female 6 pin XLR connectors ME 50 2 50 15 2 m cable with Male and Female 6 pin XLR connectors ME 100 2 100 30 4 m cable with Male and Female 6 pin XLR connectors 3 Y adapter cable Sold separately Use Telex CA 23 16 Or build per Figure 4 3 ft 0 91 m speaker cable with RCA plugs One supplied with each SPS2000A SPK 1000 and SPK 2000 5 18 457 mm EXP IN OUT cable stereo miniplug to...

Страница 15: ...sub to 15 pin Female Dsub One supplied with each XP ES4000A Power Up Plug in the power cord The EMS4000 channels power up identically to channels 1 and 2 of the MS2000 Refer to the MS2000 User Instructions for all power up infor mation The MS2000 and EMS4000 can be powered up in any order Sidetone Adjustments Use the sidetone adjustment procedure as described in the MS2000 User Instruc tions excep...

Страница 16: ... kohm Common Mode Rejection Greater than 50 dB Connector Type DB9F Female 9 pin D subminiature Pin 1 Common Pin 2 Channel 3 program in low Pin 3 Channel 4 program in low Pin 4 Channel 5 program in low Pin 5 Channel 6 program in low Pin 6 Channel 3 program in high Pin 7 Channel 4 program in high Pin 8 Channel 5 program in high Pin 9 Channel 6 program in high Intercom Channels Balanced Mode All BAL ...

Страница 17: ... Input Impedance 150 ohms Bridging Impedance greater than 10 000 ohms 5 Call Signaling Send 11 3 VDC Receive 4 VDC minimum Connector Type Uses the same connectors as for balanced mode above but with pinouts modified by BAL UNBAL switch on back panel as follows XLR 3 Unbalanced Configuration Pinouts Pin 1 Common Pin 2 24 VDC input Pin 3 Intercom audio high Expansion Input Output Connector Type 1 8 ...

Страница 18: ...r must be sent prepaid and will be returned prepaid Non Warranty Repairs Equipment that is not under warranty must be sent prepaid to Telex If requested an estimate of repair costs will be issued prior to service After your approval and completion of the repairs the equipment will be returned on a col lect basis Collect charges may be avoided by sending a signed check for payment in full along wit...

Страница 19: ...19 This page left blank intentionally ...

Страница 20: ...TELEX COMMUNICATIONS INC 9600 Aldrich Ave So Minneapolis MN 55420 U S A 9350 7673 000 Rev A 2 2000 ...

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