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Table of Contents 

IDR1000A DC Remote Desk Set User and Installation Manual

 

02/12 Pub. 

43004-005C iii 

C

ABLE 

I

NSTALLATION 

S

AFETY 

C

ONSIDERATIONS

..................................................................................................... 12

 

T

ELEPHONE 

L

INE 

L

IGHTNING AND 

O

VER

-

VOLTAGE 

P

ROTECTION

............................................................................. 12

 

P

OWER 

C

ONNECTIONS

.............................................................................................................................................. 13

 

L

INE 

C

ONNECTIONS

.................................................................................................................................................. 13

 

Line Considerations - Private Circuit ................................................................................................................. 13

 

Circuit Conditioning ........................................................................................................................................... 14

 

S

ETTINGS AND 

A

DJUSTMENTS

 .................................................................................................................................. 14

 

Line Input Level Adjustment ............................................................................................................................... 15

 

Remote Adjustment ............................................................................................................................................. 15

 

Line Output Adjustment ...................................................................................................................................... 15

 

Handset Earpiece Volume Adjustment ................................................................................................................ 15

 

P

ROGRAMMING

 ........................................................................................................................................................ 16

 

DC Current Magnitude Table ............................................................................................................................. 17

 

P

ROGRAMMING 

M

ODE

 ............................................................................................................................................. 18

 

D

ESK 

S

ET 

R

EASSEMBLY

 ........................................................................................................................................... 18

 

THEORY OF OPERATION .................................................................................................................................... 19

 

D

IGITAL 

C

IRCUITS

 .................................................................................................................................................... 19

 

Analog-to-Digital Conversions ........................................................................................................................... 19

 

Serial Peripheral Interface ................................................................................................................................. 19

 

DC

 

C

URRENT 

G

ENERATION

 ..................................................................................................................................... 19

 

A

UDIO 

C

IRCUITS

 ...................................................................................................................................................... 20

 

S

PEAKER 

V

OLUME 

C

ONTROL

 ................................................................................................................................... 20

 

P

OWER 

S

UPPLIES

 ...................................................................................................................................................... 20

 

TROUBLESHOOTING ............................................................................................................................................ 21

 

T

ROUBLESHOOTING THE 

IDR1000A

 

DC

 

R

EMOTE 

D

ESK 

S

ET

 ................................................................................... 21

 

F

USE 

R

EPLACEMENT

 ................................................................................................................................................ 22

 

MAIN CIRCUIT BOARD ........................................................................................................................................ 23

 

SCHEMATICS .......................................................................................................................................................... 25

 

DEFINITIONS AND ACRONYMS ......................................................................................................................... 33

 

 

Содержание IDR1000A

Страница 1: ...ve Mohnton PA 19540 USA 610 777 1374 800 492 1212 Fax 610 796 5954 VISIT WWW GAI TRONICS COM FOR PRODUCT LITERATURE AND MANUALS 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...

Страница 2: ...t shall GAI Tronics warranty obligations with respect to services exceed 100 of the total cost of services provided hereunder Limitations Exclusions The warranty on any equipment supplied hereunder is...

Страница 3: ...ntercom Button 6 Monitor Button 6 Transmit Button and LED 6 INTERNAL MICROPHONE 7 HANDSET 7 PROGRAMMING SWITCHES 7 SWA Switch Settings 7 ACCESSORIES 8 FIELD REPLACEMENT ITEMS 8 OPERATION 9 OPERATIONAL...

Страница 4: ...Level Adjustment 15 Remote Adjustment 15 Line Output Adjustment 15 Handset Earpiece Volume Adjustment 15 PROGRAMMING 16 DC Current Magnitude Table 17 PROGRAMMING MODE 18 DESK SET REASSEMBLY 18 THEORY...

Страница 5: ...he complete identification number This applies to all components kits and chassis If the component part number is not known the order should include the number of the chassis or kit of which it is a p...

Страница 6: ...vironments where radio output levels line losses and noise factors vary Receive and transmit compression Automatically normalizes varying input and output levels caused by system factors FCC Interfere...

Страница 7: ...avoid carpeted areas dry environments and certain types of clothing silk nylon etc because they contribute to static build up Similarly disconnect the test probe prior to removing the ground lead 5 Al...

Страница 8: ...hms Frequency response 3 dB from 300 3000 Hz Hum and noise Less than 45 dB below rated outputs Audio output to speakers 1 watt minimum with level in compression range Audio distortion Less than 3 THD...

Страница 9: ...e and are received The desk set uses private leased telephone lines or customer owned metallic pairs that are capable of supporting dc control currents The unit can be placed on a flat surface or wall...

Страница 10: ...down arrows They are used to increase and decrease the local speaker volume and as programming function keys ControlButton The CTL button is used in conjunction with the VOLUME Up or VOLUME Down butt...

Страница 11: ...ke effect Switch Determines On Off SWA 1 Not used N A N A SWA 2 Frequency change commands on PTT only Pressing the frequency button does not immediately change the station frequency It changes only af...

Страница 12: ...4B These accessories require the use of the XAAB002A Audio Accessory Box Field Replacement Items Description Part No PTT Handset with Cord Black HANDSET BLACK Replacement Power Supply 120 V ac 12 V dc...

Страница 13: ...t the local speaker volume Mute the local speaker by pressing the CTL and VOLUME Down buttons simultaneously The selected frequency button flashes to indicate that the speaker is muted Unmute the spea...

Страница 14: ...released to listen When the transmission is completed the TRANSMIT LED extinguishes and the desk set returns to the receive mode Receiving Calls When power is first applied the desk set is in the rece...

Страница 15: ...nstall the four screws to the base and rotate the handset hook located on the front of the unit FCC Interference Warnings The FCC requires that manuals pertaining to Class A and Class B computing devi...

Страница 16: ...a continuous and firmly fixed nonconductor such as porcelain tubes or flexible tubing in addition to the insulation on the wire Communications cables and in building wiring should be listed and marke...

Страница 17: ...k position on the main circuit board labeled LINE 1 See the terminal block table above Several desk sets can be connected in parallel The maximum loss between any two desk sets or between a desk set a...

Страница 18: ...vice and is exempt from FCC Part 68 registration Ref FCC Form 730 Application Guide pages 1 5 For two wire operation 2000 Series lines may be used with or without conditioning C1 or C2 conditioning is...

Страница 19: ...onnect the handset from the desk set 2 Apply a 1000 Hz signal into the handset mic terminals red handset mic black ground 3 Press the TRANSMIT button and adjust the line output level control pot 4 unt...

Страница 20: ...hen disable access to programming functions When disabled users can not accidentally change parameters F1 through F4 are set at the factory to the following currents F1 5 5 mA F3 5 5 mA F2 12 5 mA F4...

Страница 21: ...Off On Off Off On 4 5 mA Off On Off On Off 5 0 mA Off On Off On On 5 5 mA Off On On Off Off 6 0 mA Off On On Off On 6 5 mA Off On On On Off 7 0 mA Off On On On On 7 5 mA On Off Off Off Off 8 0 mA On...

Страница 22: ...adjust F1 F2 F3 F4 dc current CTL F1 or F2 or F3 or F4 Increase current magnitude then VOLUME Up Decrease current magnitude then VOLUME Down Toggle current polarity then IC Save current magnitude the...

Страница 23: ...ively high ac value by T2 and rectified by D21 D23 and filtered by C86 to the level required for the line current into the wire line connected to the desk set Q19 a power MOSFET is driven by U22 a pul...

Страница 24: ...precise control voltage connected to pin 5 of U15 The microcontroller examines the VOLUME Up and VOLUME Down button presses and provides control pulses to electronic pot U9 U9 provides a variable ref...

Страница 25: ...manual Ensure that the desk set s output level is set properly and that the DCLOTL is set in a range of 5 mA to 14 mA into the telephone line RX audio is low or distorted Ensure that the dc adapter is...

Страница 26: ...station manual Low TX audio Verify that the desk set s transmit output level is properly set and ensure that there is no more than 20 dB loss in the private or leased line which can cause degradation...

Страница 27: ...23 02 12 Main Circuit Board...

Страница 28: ...Main Circuit Board IDR1000A DC Remote Desk Set User and Installation Manual 24...

Страница 29: ...25 02 12 Schematics...

Страница 30: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 26 IDR1000A Microprocessor Section Schematic Sheet 1...

Страница 31: ...IDR1000A DC Remote Desk Set User and Installation Manual Schematics 27 IDR1000A I O Section Schematic Sheet 2...

Страница 32: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 28 IDR1000A DC Control Schematic Diagram Sheet 3...

Страница 33: ...IDR1000A DC Remote Desk Set User and Installation Manual Schematics 29 IDR1000A Audio Section Schematic Diagram 1 of 2 Sheet 4...

Страница 34: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 30 IDR1000A Audio Section Schematic Diagram 2 of 2 Sheet 5...

Страница 35: ...IDR1000A DC Remote Desk Set User and Installation Manual Schematics 31 IDR1000A Power Supply Schematic Sheet 6...

Страница 36: ...Schematics IDR1000A DC Remote Desk Set User and Installation Manual 32 Notes...

Страница 37: ...o 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...

Страница 38: ...Notes IDR1000A DC Remote Desk Set User and Installation Manual 34...

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