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User Instructions
DSI 2008 Digital System Interface
ADAM, ADAM CS, and Zeus Intercoms
9350-7870-000 Rev C 11/2008
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PROPRIETARY NOTICE SHIPPING TO THE MANUFACTURER The product information and design disclosed herein were originated by All shipments of product should be made via UPS Ground, prepaid (you and are the property of Telex Communications, Inc. Telex reserves all may request from Factory Service a different shipment method). Any patent, proprietary design, manufacturing, reproduction, use and sales shipment upgrades will be paid by the customer. The equipment should rights thereto, and to any artic
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Table of Contents DESCRIPTION AND SPECIFICATIONS ............................................................................................1 General Description ........................................................................................................................................... 1 Features .............................................................................................................................................................. 1 Front and Back Panel Desc
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CHAPTER 1 Description and Specifications General Description The DSI 2008 Dual Digital Hybrid interfaces two, 2-wire intercom lines to two, 4-wire intercom lines. Unlike earlier analog hybrids, the DSI 2008 features advanced digital signal processing to achieve automatic nulling of the 2-wire lines. Plus, each hybrid features convenient peak-reading level meters to quickly match the levels between the lines that are being interfaced. The result is easy and accurate setup. With the DSI 2008, a
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can be set up to place calls only from a specific keypanel within the 4-wire system, or from any keypanel within the 4-wire system that wishes to call the 2-wire system. Half-rack Wide, 1RU High: Two DSI 2008s fit into a single rackspace. Compatible with RTS TW rack mount hardware. Can be mixed with other TW equipment. Universal Power Pack: Ready for worldwide use. Automatically accepts any main voltage from 100-250 VAC, 50/60 Hz. Power pack equipped with locking DIN connector for attachment
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Back Panel The power pack connector is located at the right end of the back panel. This is a locking DIN connector. The remainder of the back panel is divided into connectors for the two separate hybrids. Connectors are labeled with “J” numbers followed by “A” or “B” to indicate System A or System B. For each hybrid, there is an AUX connector. This is used to connect to/from the optional call signal card. Below the AUX connector, there are both a DB-9F connector and an RJ-11 connector for 4-w
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Specifications 2-Wire Ports Input / Output Impedance 5,000 ohms, nominal Operating Level Audiocom: 1 V , nominal RMS RTSTW/ClearCom: 775 mVRMS, nominal 4-Wire Ports Input Impedance 10k ohms, nominal Output Impedance 200 ohms Operating Levels -10 dBu, 0 dBu, +4 dBu, +8 dBu, +12 dBu System to System Frequency Response 200 Hz to 3.5 kHz, ±4 dB THD: ≤ 1% @ channel output with nominal input Environmental Operating Temp -20°C to 50°C (-4°F to 122°F) Storage Temp -40°C to 85°C (-40°F to 185°F) Humidity
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CHAPTER 2 Installation Mounting Place the DSI 2008 on a desktop, or install it in an equipment rack using an RTS MCP Rack Mount Kit. Several rack mount options are available. There are no special ventilation requirements for the DSI 2008, but allow for ventilation around the power pack. • If the DSI 2008 has the call signal option, the power indicator flashes whenever a call signal is received from either 2-wire line, and activity on the level display helps to indicate which line is calling.
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Audio Connections for the Other 4-wire Communications Systems 1. Construct 9-pin or RJ-11 cables to connect from the 4-wire system to the DSI 2008. To connect to the System A hybrid, use either J2A or J3A; for the System B hybrid, use either J2B or J3B. Pin connections are as follows: 9-Pin Connection Connector Type: 9-pin male D-subminiature Pin 1 No connection Pin 2 No connection Pin 3 No connection Pin 4 Balanced Audio + 4-wire output Pin 5 Balanced Audio - 4-wire output Pin 6 No connection
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. FIGURE 2. Rack Mount Configurations 2-Wire Audio Connections RTS TW Audio Connections 1. Use standard TW intercom cables. Standard TW system cables can carry either one or two channels, while each hybrid in the DSI 2008 can only interface one TW channel to one 4-wire channel, which channel is determined by the front panel 2W CHAN SEL switch. If your TW system cable is only carrying one channel, or if you only need to connect one of two channels, connect directly to J1A (System A) or J1B (Sy
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NOTE: The DSI 2008 features internal DC isolation. You can therefore connect to the DSI 2008 to powered TW cables, and it will not draw any power from the TW system. 2. On the DSI 2008 front panel: For System A and System B, set the 2W CHAN SEL switch to the appropriate position. To interface to TW channel 1 select position 1; for TW channel 2, select position 2. NOTE: If the System A or System B will not be used, set the 2W CHAN SEL switch to the OFF position and attach a dummy load to the
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FIGURE 4. Using a JB-2 Junction Box to split a 2-channel Audiocom cable into two 1-channel cables. Clear-Com Audio Connection 1. Use standard Clear-Com 3-pin cables. Connect one Clear-Com party line to the J1A connector on the back of the DSI 2008 (System A). Connect a separate Clear-Com party line to the J1B connector (System B). NOTE: The DSI 2008 features internal DC isolation. You can therefore connect the DSI 2008 to powered Clear-Com cables, and it will not draw any power from the Clear-
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Unbalanced Configuration 2 Pin 1 Audio Common Pin 2 No Connection Pin 3 Audio Input/Output ** Termination 200 Ω 2. On the DSI 2008 front panel, set the CHAN SEL switches as follows: � Balanced Configuration: set the CHAN SEL switches to the BAL position. � Unbalanced Configuration 1: set the CHAN SEL switches to position 1. � Unbalanced Configuration 2: set the CHAN SEL switches to position 2. NOTE: If System A or System B will not be used, set the 2W CHAN SEL switch to the OFF position and atta
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FIGURE 5. Call signal connections for ADAM, ADAM CS, and Zeus Intercom Systems. This example uses GPI outputs #1 and #2 and GPI Input #1; however, you may use any other available GPI inputs and outputs. The Call Enable/Inhibit connection is optional. It gives you the ability to disable call signalling using a GPI output. However, when connecting to a Clear-Com intercom system, if an enable/inhibit switch is not connected, a jumper must be installed for any other application. You DO NOT have
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TABLE 2. UIO-256 GPI Input Connector (J7) a GPI INPUT PIN NUMBERS GPI INPUT NUMBERS UIO-256 Frame UIO-256 Frame UIO-256 Frame UIO-256 Frame Input Height Common #1 #2 #3 #4 (5-18 VDC) 1 173349 9 34 2 183450 10 35 3 193551 11 36 4 203652 12 37 5 213753 13 38 6 223854 14 39 7 233955 15 40 8 244056 16 41 9 254157 1 26 10 26 42 58 2 27 11 27 43 59 3 28 12 28 44 60 4 29 13 29 45 61 5 30 14 30 46 62 6 31 15 31 47 63 7 32 16 32 48 64 8 33 a. Dependent on UIO-256 DIP Switch SW1 Settings for Input/Output
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a RELAY CONTACT PIN NUMBERS GPI OUTPUT NUMBERS NORMAL NORMAL UIO-256 UIO-256 UIO-256 UIO-256 CLOSED COMMON OPEN (NO) FRAME #1 FRAME #2 FRAME #3 FRAME #4 (NC) CONTACT CONTACT CONTACT 1 17 33 49381340 2 18 34 50391415 3 19 35 51411643 4 20 36 52421718 5 21 37 53441946 6 22 38 51452021 7 23 39 55412249 8 24 40 56482324 925 41 57 26 1 28 10 26 42 58 27 2 3 11 27 43 59 29 4 31 12 28 44 60 30 5 6 13 29 45 61 32 7 34 14 30 46 62 33 8 9 15 31 47 63 35 10 37 16 32 48 64 36 11 12 a. Dependent on UIO-2
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4-wire Call Receive The DSI 2008 receives call signals from the 2-wire system, then converts this to relay contact closure for use as a 4-wire call receive indication. The DSI 2008 also provides +5 VDC which can be connected to the relay contacts to generate a DC output signal instead of a contact closure. Connections for a simple contact are shown in Figure 7 on page 14. FIGURE 7. Call signal connections for a 4-wire intercom system other than ADAM, ADAM CS and Zeus. 2-Wire Call Signal Call
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Call Signal Connections for Other 2-Wire Communication Systems Any other 2-wire device must be able to generate and receive a 20 kHz signal superimposed on the audio as follows: Balanced Audio Configuration Pin 1 No Connection Pin 2 Balanced 20 kHz + Input/Output Pin 3 Balanced 20 kHz - Input/Output DSI 2008 Signal Specifications for balanced configuration: DSI 2008 Receive: 20 kHz ±100 Hz, 100 mVRMS DSI 2008 Send: 20 kHz ±800 Hz, 500 mVRMS ±10% Unbalanced Configuration 1 Pin 1 20 kHz Common Pi
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