RTS DSI 2008 Manuale utente
User Instructions
DSI 2008 Digital System Interface
ADAM, ADAM CS, and Zeus Intercoms
9350-7870-000 Rev C 11/2008
PROPRIETARY NOTICE
The product information and design disclosed herein were originated by
and are the property of Telex Communications, Inc. Telex reserves all
patent, proprietary design, manufacturing, reproduction, use and sales
rights thereto, and to any article disclosed therein, except to the extent
rights are expressly granted to others.
COPYRIGHT NOTICE
Copyright 2008 by Telex Communications, Inc. All rights reserved.
Reproduction, in whole or in part, without prior written permission from
Telex is prohibited.
WARRANTY NOTICE
See the enclosed warranty card for further details.
CUSTOMER SUPPORT
Technical questions should be directed to:
Customer Service Department
RTS/Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, MN 55337 USA
Telephone: 800-392-3497
Fax: 800-323-0498
RETURN SHIPPING INSTRUCTIONS
Customer Service Department
Telex Communications, Inc. (Lincoln, NE)
Telephone: 402-467-5321
Fax: 402-467-3279
Factory Service: 800-553-5992
Please include a note in the box which supplies the company name,
address, phone number, a person to contact regarding the repair, the type
and quantity of equipment, a description of the problem and the serial
number(s).
SHIPPING TO THE MANUFACTURER
All shipments of product should be made via UPS Ground, prepaid (you
may request from Factory Service a different shipment method). Any
shipment upgrades will be paid by the customer. The equipment should
be shipped in the original packing carton. If the original carton is not
available, use any suitable container that is rigid and of adequate size. If
a substitute container is used, the equipment should be wrapped in paper
and surrounded with at least four (4) inches of excelsior or similar
shock-absorbing material. All shipments must be sent to the following
address and must include the Proof of Purchase for warranty repair.
Upon completion of any repair the equipment will be returned via United
Parcel Service or specified shipper, collect.
Factory Service Department
Telex Communications, Inc.
8601 East Cornhusker Hwy.
Lincoln, NE 68507 U.S.A.
Attn: Service
Table
of
Contents
DESCRIPTION AND SPECIFICATIONS ............................................................................................1
General Description ........................................................................................................................................... 1
Features .............................................................................................................................................................. 1
Front and Back Panel Descriptions ................................................................................................................... 2
FRONT PANEL ....................................................................................................................................................................2
BACK PANEL ......................................................................................................................................................................3
Specifications ...................................................................................................................................................... 4
INSTALLATION .....................................................................................................................................5
Mounting ............................................................................................................................................................ 5
4-Wire Audio Connections ................................................................................................................................. 5
ADAM, ADAM-CS, OR ZEUS AUDIO CONNECTION ...........................................................................................................5
AUDIO CONNECTIONS FOR THE OTHER 4-WIRE COMMUNICATIONS SYSTEMS ......................................................................6
2-Wire Audio Connections ................................................................................................................................. 7
RTS TW AUDIO CONNECTIONS ..........................................................................................................................................7
AUDIOCOM AUDIO CONNECTION .......................................................................................................................................8
CLEAR-COM AUDIO CONNECTION .....................................................................................................................................9
OTHER 2-WIRE AUDIO CONNECTION ..................................................................................................................................9
4-Wire Call Signal Connections ....................................................................................................................... 10
CALL SIGNAL CONNECTION FOR ADAM, ADAM CS, AND ZEUS ......................................................................................10
CALL SIGNAL CONNECTIONS FOR OTHER 4-WIRE COMMUNICATIONS SYSTEMS .................................................................13
4-wire Call Send and Call Enable/Inhibit .................................................................................................................................13
4-wire Call Receive ......................................................................................................................................................................14
2-Wire Call Signal ............................................................................................................................................ 14
CALL SIGNAL CONNECTIONS FOR AUDIOCOM, RTS TW AND CLEAR-COM .......................................................................14
CALL SIGNAL CONNECTIONS FOR OTHER 2-WIRE COMMUNICATION SYSTEMS ..................................................................15
OPERATION .........................................................................................................................................17
General Instructions ......................................................................................................................................... 17
Operating Notes for ADAM, ADAM CS and Zeus Intercom Systems .............................................................. 18
ACCESS AND CONFIGURATION .....................................................................................................19
Internal Access ................................................................................................................................................. 19
Mode Dip Switch Settings U301 ....................................................................................................................... 20
Call Signal Option Card Installation ............................................................................................................... 21
1
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, all need for test tones, nulling adjustments and ducking adjustments
have been eliminated.
Compatible 2-wire intercom systems include RTS™ TW, Audiocom®, and Clear-Com®. Compatible 4-wire intercom systems
include Telex’s ADAM™, ADAM CS™, and Zeus™ Digital Matrix Intercom Systems.
The DSI 2008 is also available with optional call signal interfacing. This option provides bi-directional call signal
compatibility between the 2-wire and 4-wire intercom systems.
With features like digital signal processing, peak-reading level meters and option call signal interfacing, the
DSI 2008 Dual Digital Hybrid assures ease of setup maximum transparency between intercom systems.
Features
Two Independent Hybrids: Interface two separate 2-wire lines to two separate 4-wire lines.
Automatic Nulling: Digital hybrids eliminate all nulling and ducking adjustments. Quick, trouble-free setup. Puts an end to
concerns about echo and feedback when interfacing 2-wire lines.
Peak Reading Level Meters: Quick and accurate visual audio level adjustment. No extra setup equipment or guesswork is
required.
Direct ADAM/Zeus Audio Connection: Accepts standard ADAM/Zeus DB-9 or RJ-11 keypanel cables.
Transformer Isolated: All audio inputs and outputs are transformer isolated to prevent ground loops and hum.
Call Signal Option: Detects call signals from any of the compatible 2-wire intercom systems, and then provides a +5 VDC
output to the 4-wire intercom system. Accepts a contact closure input from the 4-wire system and converts it to the call signal
format required by the 2-wire system. The DSI 2008 can be directly connected to an ADAM, ADAM CS, or Zeus GPI
(General Purpose Interface). GPI inputs can be programmed to activate call signals and audio paths to any of the available
types of communication with the 4-wire system, including intercom ports, camera ISO circuits, IFB circuits, etc. GPI outputs
2
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 to the DSI 2008.
Front and Back Panel Descriptions
Front Panel
There is a power ON/OFF and call indicator at the left of the front panel. This indicator lights continuously when the DSI 2008
is turned ON and flashes when an incoming call signal is detected, if the call signal option board is installed.. The remainder of
the front panel is divided into controls and indicators for the two separate hybrids, labeled SYSTEM A and SYSTEM B. For
each hybrid, there is a 10-segment, peak reading level meter to display the 4-wire output level (TO 4W). There is a recessed
level set control to the left of the 4-wire meter (LEVEL SET) and there is also a recessed, 5-position range select control for
the 4-wire output (4W LEVEL REF SEL). Under the 4-wire meter, is an identical meter for the 2-wire output level, and there
is a recessed level set control for the 2-wire output to the left of the meter. Under the 2-wire meter, there is a recessed, 5-
position selector. The selector has two OFF positions for when no 2-wire input is connected. The three remaining switch
positions select the 2-wire system as follows: position 1 selects RTS TW channel 1; position 2 selects RTS TW channel 2 or a
Clear-Com channel; the BAL position selects an Audiocom balanced channel. There are 3 LED indicators to display the
current selection.
FIGURE 1. DSI 2008 Reference View
3
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-wire
intercom connection. These are directly compatible with standard ADAM/Zeus keypanel cables. Next to the 4-wire
connectors, there is a 3-pin female XLR audio connector for connection to the 2-wire intercom system.
4
Specifications
2-Wire Ports
Input / Output Impedance
5,000 ohms, nominal
Operating Level
Audiocom: 1 VRMS, nominal
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
0 to 95%, non-condensing
Main Voltage
100 to 250 VAC, 50/60 Hz
Dimensions
1.72” (44mm) High x 8.19” (208mm) Wide x 8.0” (204mm) deep
Weight
5.0lbs (2.3kg)
Finish
Thermoplastic front panel, aluminum case, light gray finish
Approvals
UL, CSA, UDE, CD
Specifications subject to change without notice.
5
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. If the DSI 2008 is
physically positioned near the 4-wire operator, this can be used as an incoming call indication for the 4-wire
system, if desired (although other methods are available as described in “4-Wire Call Signal Connections” on
page 10).
NOTE: You may wish to read about the internal mode DIP switches before mounting the DSI 2008. For further
information, see Table 3 on page 20.
4-Wire Audio Connections
ADAM, ADAM-CS, or Zeus Audio Connection
1. Use standard 9-pin or RJ-11 keypanel cables. Connect from one port of your intercom system to J2A or J3A (System
A connection) on the back of the DSI 2008. Connect from another port to J2B or J3B (System B connection).
2. On the DSI 2008 front panel, set the 4W LEVEL REF SEL switches to the +8 dB position.
6
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:
2. On the DSI 2008 front panel, set the 4W LEVEL REF SEL switches to the position which most closely matches the
audio input and output levels of your 4-wire system. If you don’t know the levels, select the +8 dB position for now.
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
Pin 7 Balanced Audio - 4-wire input
Pin 8 Balanced Audio + 4-wire input
Pin 9 No connection
RJ-11 Connection
Connector Type: RJ-11 plug
Pin 1 No connection
Pin 2 Balanced Audio + 4-wire input
Pin 3 Balanced Audio + 4-wire output
Pin 4 Balanced Audio - 4-wire output
Pin 5 Balanced Audio - 4-wire input
Pin 6 No Connection
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