Related Manuals for Telex EMS4000
Summary of Contents for Telex EMS4000
- Page 1 ® Telex User Instructions ™ Model EMS4000 Four-channel Expansion Master Station and Power Supply ® Audiocom Intercom Systems ®...
- Page 2 Master Station and Power Supply. We hope the many design features of this product will satisfy your intercommunication requirements for many years to come. To get the most out of the EMS4000, please take a few moments to look through this booklet before using the Intercom Expansion Station for the first...
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Page 3: Table Of Contents
Table of Contents Description Features . Installation Unpacking Configuration Pre-check . Mounting Configurations Connection Notes . Cables . Power-Up Sidetone Adjustments . Operation Specifications Factory Service and Parts Information... -
Page 4: Description
The EMS4000 adds four powered intercom channels to an MS2000 Master Station, and it provides talk, listen and call buttons for the added channels. Up to 4 EMS4000 Expansion Master Stations may be connected to the MS2000 to add up to 16 chan- nels (18 channels total). -
Page 5: Features
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. - Page 6 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 details.
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Page 7: Installation
Installation Unpacking The EMS4000 is supplied with the following items. Contact the shipper or your Audiocom dealer immediately if anything is damaged or missing. Detach and fill out the registration card and return it to Telex to properly register your intercom station. - Page 8 Au d io c o m ® Table 1. Configuration Switch Settings Switch Description Settings Default Number Setting DIP Switch SW1 (Internal) On (Closed): Enabled SW1-1 Program Interrupt, Ch 6 Off (Open): Disabled On (Closed): Enabled SW1-2 Program Interrupt, Ch 5 Off (Open): Disabled On (Closed): Enabled SW1-3...
- Page 9 MS2000 speaker or headset, and each program is output at the corresponding speaker jack on the back of the EMS4000. To disable di- rect program listening for a program input, reset the appropriate jumper as shown in Table 2.
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Page 10: Mounting Configurations
Figure 3. Sidetone Trimmer Access on Bottom of ES4000A 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. - Page 11 TO ANOTHER EMS4000 XP-USPG breakout panels. Figure 4. Master station with multiple EMS4000 Expansion Stations. This con- figuration provides all of the channel power and program input connections for 10-channel intercom station. It also interfaces the PA jack of the MS2000 to a stan- dard, 3-pin XLR audio cable.
- Page 12 PUSH PUSH PROGRAM INPUTS SPEAKERS Telex ® LINE LEVEL 1 VRMS TELEX COMMUNICATIONS, INC. PGM 1 PGM 2 MADE IN USA 100-240 VAC 60/50 HZ P .A. CHN 1 / 2 CHN 1 / 2 BAL - OUT CHN 2...
- Page 13 Call Call Call Call Reset Talk Talk Talk Talk BACK VIEW FOR HOME-RUN CONNECTION TO ADDITIONAL TELEX COMMUNICATIONS, INC. MADE IN USA PUSH PUSH PROGRAM INPUTS SPEAKERS LINE LEVEL TW-7W SPLITTERS 1 VRMS PGM 1 PGM 2 TELEX COMMUNICATIONS, INC.
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Page 14: Connection Notes
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. Y adapter cable. Sold separately. Use Telex CA-23-16. Or, build per Figure . 3 ft (0.91 m) speaker cable with RCA plugs. One supplied with each SPS2000A, SPK-1000, and SPK-2000. -
Page 15: Power-Up
3, channel 4, etc. The locations of the MS4000 sidetone trimmers are shown in Figure 3. Operation The EMS4000 channels operate identically to channels 1 and 2 of the MS2000. Re- fer to the MS2000 User Instructions for all operating information. -
Page 16: Specifications
Au d io c o m ® Specifications General Power Requirements: AC Input: 100-240 VAC, 50/60 Hz Channel Power: 24 VDC nominal (12 to 30 VDC) 65 to 150 mA Local Power (with PS-L Wall-pack Power Supply or equivalent): 14 to 15 VDC Current: 65 mA, quiescent;... - Page 17 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%...
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Page 18: Factory Service And Parts Information
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. - Page 19 This page left blank intentionally...
- Page 20 ® TELEX COMMUNICATIONS, INC. 9600 Aldrich Ave. So., Minneapolis, MN 55420 U.S.A. 9350-7673-000 Rev. A 2/2000...