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Pub. 43004-005C
G A I - T R O N I C S ® C O R P O R A T I O N
A H U B B E L L C O M P A N Y
IDR1000A DC Remote Desk Set
User and Installation Manual
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
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ISIT WWW
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TRONICS
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Related Manuals for GAI-Tronics IDR1000A
Summary of Contents for GAI-Tronics IDR1000A
- Page 1 A H U B B E L L C O M P A N Y IDR1000A DC Remote Desk Set User and Installation Manual GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA 610-777-1374 800-492-1212 Fax: 610-796-5954 ISIT WWW...
- Page 2 GAI-Tronics. WARRANTY GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall comply with the then-current product specifications and product literature, and if applicable, shall be fit for the purpose specified in the agreed-upon quotation or proposal document.
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Page 3: Table Of Contents
ANUAL ................................ 1 OMENCLATURE ..........................1 RDERING EPLACEMENT ARTS ..............................1 ERVICE AND EPAIR IDR1000A DC R ............... 2 EATURES AND ENEFITS OF THE EMOTE FCC I ..........................2 NTERFERENCE ARNING CMOS I ..................3 ... - Page 4 Table of Contents IDR1000A DC Remote Desk Set User and Installation Manual ..................... 12 ABLE NSTALLATION AFETY ONSIDERATIONS ................12 ELEPHONE IGHTNING AND VOLTAGE ROTECTION .............................. 13 OWER ONNECTIONS ..............................13 ONNECTIONS Line Considerations - Private Circuit ......................... 13 ...
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Page 5: Foreword
Foreword Scope of Manual This manual offers descriptive data and service information for the IDR1000A DC Remote Desk Set. Service diagrams and printed circuit board details are a part of this service manual. Nomenclature The model number, located on the nameplate on the bottom, specifically identifies GAI-Tronics equipment. -
Page 6: Features And Benefits Of The Idr1000A Dc Remote Desk Set
Foreword IDR1000A DC Remote Desk Set User and Installation Manual Features and Benefits of the IDR1000A DC Remote Desk Set Feature Benefit Programmable 4-frequency Each frequency/function key can be programmed for one of 56 dc function control currents. Intercom Desk set users can communicate with each other without tying up valuable frequency time. -
Page 7: Safe Handling Of Cmos Integrated Circuit Devices
IDR1000A DC Remote Desk Set User and Installation Manual Foreword Safe Handling of CMOS Integrated Circuit Devices Many of the integrated circuit devices used in communications equipment are of the Complementary Metal Oxide Semiconductor (CMOS) type. Because of their high open circuit impedance, CMOS integrated circuits are vulnerable to damage from static charges. -
Page 8: Performance Specifications
Foreword IDR1000A DC Remote Desk Set User and Installation Manual Performance Specifications Color ..............................Black Physical size ....................7.6 W 8.9 L 4.7 H inches Weight ..............................2.4 lbs. Temperature range ......................−35º C to +70º C Humidity ...................... 95% at 50º C (non-condensing) Line impedance ........................ -
Page 9: Description
Description Physical Description The IDR1000A, when used in conjunction with a dc remote adapter located at the radio site, provides remote dispatch and station control. For maximum range, the RF equipment is often located at a distant radio tower, tall building or hilltop location apart from the location where radio calls originate and are received. -
Page 10: Frequency Buttons, F1 Through F4
Description IDR1000A DC Remote Desk Set User and Installation Manual Frequency Buttons, F1 through F4 The frequency buttons, labeled , and are normally used to change channels on the radio, although the use and function of these buttons depend on the capabilities of the radio in use. A frequency button illuminates when pressed, and remains lit until a different frequency button is pressed. -
Page 11: Internal Microphone
IDR1000A DC Remote Desk Set User and Installation Manual Description Internal Microphone This microphone is intended for use in low noise environments. The handset must be on-hook in order to use the microphone. Handset The desk set is equipped with a push-to-talk handset with a coil cord for receiving and transmitting. -
Page 12: Accessories
Description IDR1000A DC Remote Desk Set User and Installation Manual Accessories Description Part No. DC Remote Adapter IDA1000A Audio Accessory Box XAAB002A Desk Microphone* XDM004A Footswitch* XFS002A Headset* (requires coiled cord) XHS003C Headset Coiled Cord XCC004B *These accessories require the use of the XAAB002A Audio Accessory Box. -
Page 13: Operation
Receive audio from the system radio system is sent to the IDR1000A from the radio via the same telephone line connection. The IDR1000A must be connected to a dc remote adapter, such as an IDA1000, located at the radio site. -
Page 14: Dclotl (Dc Line Operated Transmit Light)
Operation IDR1000A DC Remote Desk Set User and Installation Manual DCLOTL (DC Line Operated Transmit Light) The DCLOTL indicates that a parallel-connected desk set is transmitting by illuminating the TRANSMIT LED. This indicates that the wire line to the base station is busy. -
Page 15: Installation
Installation Planning the Installation Sample IDR1000A Installation Diagram Mounting The desk set can be placed on a desk or mounted vertically on a wall. To wall mount the desk set, remove the four bottom screws from the base and then rotate the base 180. Reinstall the four screws to the base and rotate the handset hook located on the front of the unit. -
Page 16: Equipment Required
The IDR1000A DC Remote Desk Set has an over-current phone line fuse (F2) which protects against occasional extreme fault conditions that may get past the primary protectors. An example of such a fault condition is a power line cross. -
Page 17: Power Connections
IDR1000A DC Remote Desk Set User and Installation Manual Installation Power Connections Power is supplied to the desk set from a listed ac adapter. Make connections to the main circuit board according to the following table: TS1 Pin # Function Line Signal Connection (–) -
Page 18: Circuit Conditioning
Installation IDR1000A DC Remote Desk Set Use and Installation Manual Facility Interface Code Description 02DC2 Two-wire dc at end-user premises; 600-ohm impedance (No option code) Metallic Two-wire metallic private line (commonly known as ‘hoot and holler’ circuits) Within a plant, campus, or building, customer-supplied metallic pairs may be used. -
Page 19: Line Input Level Adjustment
IDR1000A DC Remote Desk Set User and Installation Manual Installation Line Input Level Adjustment 1. The line input level adjustment ensures that the compression amplifier circuitry of the dc desk set operates properly on signals received from the base station. -
Page 20: Programming
Installation IDR1000A DC Remote Desk Set Use and Installation Manual Programming Front panel programming and the diagnostic mode are accessed by key-press combinations entered within 3 seconds of power up. During this period, all of the LEDs light as an indication that programming changes may be made. -
Page 21: Dc Current Magnitude Table
IDR1000A DC Remote Desk Set User and Installation Manual Installation DC Current Magnitude Table TX LED Magnitude 0 mA 0.5 mA 1.0 mA 1.5 mA 2.0 mA 2.5 mA 3.0 mA 3.5 mA 4.0 mA 4.5 mA 5.0 mA 5.5 mA 6.0 mA... -
Page 22: Programming Mode
Installation IDR1000A DC Remote Desk Set Use and Installation Manual Programming Mode Important: The initial key press must be made within 3 seconds of power up. The desk set automatically exits the program mode and returns to normal operation after 5 minutes. -
Page 23: Theory Of Operation
Theory of Operation Digital Circuits On power-up, microcontroller U1 reads switch SWA through tri-state buffer U3. Switch readings determine certain operating characteristics of the desk set. Analog-to-Digital Conversions Each keyboard button is associated with a particular voltage level at microcontroller inputs AN0 and AN1. -
Page 24: Audio Circuits
Theory of Operation IDR1000A DC Remote Desk Set User and Installation Manual Audio Circuits Audio from the wire line is scaled through amplifier U12a and fed through the line audio adjustment, POT3. Then, it is high-pass filtered through U12b to remove wire line hum. The resulting signal is gated to the compressor circuit consisting of U11a, U11b, U11c, Q8, and associated components. -
Page 25: Troubleshooting
Troubleshooting Troubleshooting the IDR1000A DC Remote Desk Set The following is a list of potential problems you may encounter and possible solutions. Problem Possible Solution General problems. Ensure that there is a valid circuit line path from the desk set to the dc remote adapter. -
Page 26: Fuse Replacement
Troubleshooting IDR1000A DC Remote Desk Set User and Installation Manual Problem Possible Solution There is continuous noise The dc remote adapter must be connected to a muted and de-emphasized in the receive audio. receive point in the station receiver. If receiver audio is derived from a detector or discriminator, continuous noise is heard unless the dc remote adapter has an internal squelch circuit. -
Page 27: Main Circuit Board
Main Circuit Board 02/12... - Page 28 Main Circuit Board IDR1000A DC Remote Desk Set User and Installation Manual...
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Page 29: Schematics
Schematics 02/12... - Page 30 Schematics IDR1000A DC Remote Desk Set User and Installation Manual IDR1000A Microprocessor Section Schematic – Sheet 1...
- Page 31 IDR1000A DC Remote Desk Set User and Installation Manual Schematics IDR1000A I/O Section Schematic – Sheet 2...
- Page 32 Schematics IDR1000A DC Remote Desk Set User and Installation Manual IDR1000A DC Control Schematic Diagram – Sheet 3...
- Page 33 IDR1000A DC Remote Desk Set User and Installation Manual Schematics IDR1000A Audio Section Schematic Diagram (1 of 2) – Sheet 4...
- Page 34 Schematics IDR1000A DC Remote Desk Set User and Installation Manual IDR1000A Audio Section Schematic Diagram (2 of 2) – Sheet 5...
- Page 35 IDR1000A DC Remote Desk Set User and Installation Manual Schematics IDR1000A Power Supply Schematic – Sheet 6...
- Page 36 Schematics IDR1000A DC Remote Desk Set User and Installation Manual Notes:...
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Page 37: Definitions And Acronyms
Definitions and Acronyms Term Definition Carrier squelch A means of grouping users of a common radio channel. Subaudible tones are transmitted CTCSS with audio; a particular radio’s speaker (or the speakers of a group of radios) will unmute to broadcast a transmission only if the associated subaudible tone identifies it as belonging to the radio's user group. - Page 38 Notes: IDR1000A DC Remote Desk Set User and Installation Manual...
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