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®
Telex
User Instructions
Model SPS2000A
Power Supply
®
Audiocom Intercom Systems
®
1
2
SPS2000A
R
Volume
RESET
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FCC Statement This equipment uses, and can radiate radio frequency energy that may cause in- terference to radio communications if not installed in accordance with this man- ual. The equipment has been tested and found to comply with the limits of a Class A computing device pursuant to Subpart J, Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when op- erated in a commercial environment. Operation of this equipment in a residential area may caus
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Table of Contents Description ............. 4 Installation ............. 6 Unpacking ............ 6 Configuration Switches.......... 6 Intercom Channel and Program Connections ..... 6 Power-Up Check........... 11 Specifications ............ 13 Factory Service and Parts Information ....... 14 3
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Audiocom® Description The SPS2000A is a versatile power supply that can be used in a variety of Audiocom® intercom system applications. It is ideal for applications where it is desirable to use a master station with a panel mic / speaker combination. The SPS2000A directly accepts any AC input power from 100 to 240 VAC, 50/60 Hz, and it can be configured to power two separate intercom channels or one large intercom channel with twice the in- tercom station capacity. Additionally, the SPS2000A can
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2. Combine / Isolate Switch: This recessed, pushbutton switch lets you combine the audio signals of the two channels to create a single audio channel where all users can intercommunicate. Or, you can isolate each channel to create two groups of completely independent users. 3. Channel Status Indicators and Reset Pushbutton: The indicators are green for nor- mal operation and red when there is an overload or short circuit. The Reset push- button restores normal operation after the short-circuit o
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Audiocom® Installation Unpacking The package contains the following items. Contact the shipper or your Audiocom dealer immediately if anything is damaged or missing. Detach and fill out the regis- tration card and return it to Telex to properly register your SPS2000A. Quantity Description 1 SPS2000A Power Supply 1 Warranty and registration card 1 User Manual 4 Rubber feet (install for desktop use of the SPS2000A) 1 Power cord Configuration Switches WARNING The following instructions are for use
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Figure 2. Audiocom / Clear-Com Selector Switch (Top Cover Removed) Note that if you are using DC wallpacks with some intercom stations, you do not need to add the current consumption of those stations to the total current. Audiocom Connections: Intercom cable wiring details are shown in Figure 3. Speaker interconnect cables are standard RCA phono types. For program input cable wiring, refer to your master intercom station user manual. Some typical intercom system applications are shown in Figure
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Audiocom® TYPICAL 1-CHANNEL CABLE WIRING 33 Pair 1 22 Pair 2 1 (Both wires) 1 Shield Shield Cable Type: 22AWG Stranded, 2-Pair Twisted-wire, with Shield Connector Type: 3-Pin XLR Audio (Neutrik or Switchcraft)* Pin 1: Common Denotes twisted pair. Pin 2: Channel Audio / Power Pin 3: Channel Audio / Power Denotes shield. Shield: Earth ground TYPICAL 2-CHANNEL CABLE WIRING 44 Pair 1 33 66 Pair 2 55 1 (Both wires) 1 Pair 3 Shield Shield Cable Type: 22AWG Stranded, 3-Pair Twisted-wire, with Shield Co
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1 1-channel cable SPS2000A Power Supply 2 2-channel cable Combine / Isolate Switch Y “Y” cable set to Isolate SPEAKER INPUT 1 ® INPUT 2 100-240 VAC 60/50 HZ CHN 1 CHN 2 MADE IN USA LINE LEVEL 1 VRMS CLASS 2 WIRING 1.5A 24VDC Speaker Inter- 1 1 connect cable. US2000A PUSH PUSH PROGRAM INPUTS Program Input 1 SPEAKERS Master Station LINE LEVEL VOL VOL + - 1 VRMS PGM 1 PGM 2 cable. From 2 2 EXP P.A. BAL - OUT OUT CHN 1 CHN 2 12-15 VDC UNBAL - IN audio sources To all stations To all stations
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Audiocom® 1 1-channel cable SPS2000A Power Supply 2 2-channel cable SPK1000 Combine / Isolate Switch Powered Speaker Y “Y” cable set to Isolate TELEX COMMUNICATIONS, INC. MADE IN USA SPEAKER INPUT 1 INPUT 1 + - ® INPUT 2 INPUT 2 100-240 VAC 60/50 HZ BAL CHN 1 LINE LEVEL CHN 2 MADE IN USA 12-15 VDC 1 VRMS LINE LEVEL 1 VRMS CLASS 2 WIRING 1.5A 24VDC Speaker inter- 1 1 connect cables. US2000A PUSH PUSH PROGRAM INPUTS Program input 1 SPEAKERS Master Station LINE LEVEL VOL VOL + - 1 VRMS PGM
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SPS2000A SPS2000A Channel 1 Power Channel 2 Power Combine / Isolate Switch Combine / Isolate Switch set to Combine set to Combine SPEAKER SPEAKER INPUT 1 INPUT 1 ® ® INPUT 2 INPUT 2 100-240 VAC 60/50 HZ 100-240 VAC 60/50 HZ CHN 1 CHN 2 CHN 1 CHN 2 MADE IN USA MADE IN USA LINE LEVEL LINE LEVEL 1 VRMS CLASS 2 WIRING 1.5A 24VDC 1 VRMS CLASS 2 WIRING 1.5A 24VDC 1 1 Speaker inter- connect cables. PUSH PUSH PROGRAM INPUTS 1 SPEAKERS LINE LEVEL VOL VOL + - 1 VRMS PGM 1 PGM 2 2 P.A. EXP BAL - OUT OUT CH
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Audiocom® 2. Plug in the AC power cords for any connected SPS2000A Power Supplies. The channel status indicators should be green. 3. If a channel status indicator turns red during operation, try correcting the prob- lem by pressing the reset button on the front of the SPS2000A. If the problem persists, unplug the SPS2000A and locate the short or overload that is causing the problem. 12
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Specifications General Input Power Requirements: 100 to 240 VAC, 50 / 60 Hz Output Power (each channel) 21 ± 1 VDC, 2A Dimensions: 1.75" (44.5 mm) high x 8.25" (209.5 mm) wide x 10.31" (261.9 mm) deep Weight: approximately 2.5 lb (1.13 kg) Environmental Requirements: Storage: -20°Cto80°C; 0% to 95% humidity, non-condensing Operating: 0°Cto50°C; 0% to 95% humidity, non-condensing Intercom Channels General Connector Type: One XLR-3M audio connector for each channel. Pin-out depends on setting of i
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Audiocom® Factory Service and Parts Information When returning equipment for repair include your return address, telephone number and proof of date of purchase, along with a description of the problem.* The address for Audiocom equipment returns and parts information is: Service Department Telex Communications, Inc. West 1st Street Blue Earth, Minnesota 56013 U.S.A. Telephone: (507) 526-3205 (Collect calls not accepted) Warranty Repairs - If in warranty, no charge will be made for the repairs. E
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Notes 15
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® TELEX COMMUNICATIONS, INC. 9600 Aldrich Ave. So., Minneapolis, MN 55420 U.S.A. 9350-7333-010 Rev. A , 8/97 2
