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© Tait Electronics Limited April 2010
www.taitworld.com
MAI-02922-01-01

TA2922 TM8000/TM9000 Universal Line 

Interface Board Installation Instructions

TAIT: THE RIGHT FIT

Introduction

The TA2922 universal line interface board is fitted into the TM8000 and TM9000 radios 
and is functionally equivalent to the AM8000-UIS manufactured by Tait Australia. It features 
hardware and software-configurable options for features such as phantom DC keying 
options, tail and anti-kerchunker timers and a flexible supply voltage monitoring alarm.

Available variants are:

8-wire isolated line interface (TA2922-01)

2-wire line interface (TA2922-02)

6-wire line interface (TA2922-03)

6-wire balanced line interface with unbalanced speaker output (TA2922-04)

6-wire marine line interface (TA2922-05)

6-wire -10dBm line interface (TA2922-06)

The TA2922 kits provide the following items:

TA2922-xx PCB assembly

18-way micromatch loom

D-range foam seal

D-range hood parts

D-range screw locks (x2)

M3x8 taptite screws (x6)

The interface board fits inside the radio in the 
options cavity and is connected to the main PCB 
by the internal options loom. The 9-way D-range 
connector mounted on the interface board fits 
through the external options connector hole 
provided in the radio chassis.

A configurable matrix allows the integrator to 
allocate any of 26 different I/O signals to any of 
the nine pins on the external 9-way D-range 
socket.

Important: 

The radio does not meet the IP54 

protection standard once a TA2922 board has 
been installed.

external options

connector

internal options connector

D-range 
hood parts

D-range plug

universal line 
interface board

universal line interface 
installation parts

internal options loom

Содержание TA2922

Страница 1: ...rine line interface TA2922 05 6 wire 10dBm line interface TA2922 06 The TA2922 kits provide the following items TA2922 xx PCB assembly 18 way micromatch loom D range foam seal D range hood parts D range screw locks x2 M3x8 taptite screws x6 The interface board fits inside the radio in the options cavity and is connected to the main PCB by the internal options loom The 9 way D range connector mount...

Страница 2: ...ro ohm resistors to a 26x9 matrix The external options connector SK1 pin out details for the available variants are Pin Direction Label Action Active Debounce Signal State Mirrored IOP_GPIO1 Input PTT External PTT 1 Low 10 None None IOP_GPIO2 Output BUSY Signalling Audio Mute Status Low None None None Pin Direction Label Action Active Debounce Signal State Mirrored IOP_GPIO4 Output DISABLE F1 Key ...

Страница 3: ...IN 2 Balanced line input 6 8 way Input 30 to 5dBm G PTT IN2 PTT input to opto coupler Input 10 50VDC H GATE OUT 2 RX gate output via relay contacts configurable Output 0 50VDC 1A I LINE OUT 2 Balanced line output 6 8 way balanced line in out 2 way Output 30 to 10dBm into 600 ohms J 13V8_SW Switched DC supply output Output 10 8 16VDC 150mA K AUX MIC AUD Mic audio directly to the radio aux microphon...

Страница 4: ... the universal line interface board f facing the radio lid guide the external options connector g into the external options connector cavity 8 Screw the external options connector to the radio lid using the two screw lock fasten ers h 9 Tighten the fasteners to a torque of 0 9N m 8lbf in Important The external options connector screw lock fasteners must be tightened correctly before screwing the u...

Страница 5: ...rd to be installed correctly in the radio s options cavity the internal options connector loom 1 must be looped in the way shown in the diagram 11 Plug the unattached end of internal options connector loom 1 into the internal options connector on the radio main PCB b radio lid g external options connector c external options connector bung h screw lock fasteners d foam seal i mounting posts e exter...

Страница 6: ...ntom DC keying though a 1 1 600 ohm line transformer with a centre tap is required TM8000 TM9000 radio radio communication analyser eg Rhode and Schwarz CMS50 RF in out audio generator output audio scope input 13 8V DC power supply BNC antenna port 9 way D range power to input on line input transformer T2 to output of line output transformer T1 to TX Key control or depending on board configuration...

Страница 7: ...radio to transmit 21 Monitor the transmitter deviation using the communications analyser and adjust RV2 on the TA2922 interface to achieve 60 system deviation 1 5kHz for narrow band 3kHz for wide band Setting talk through level VR3 Important This feature cannot be used when the TA2922 is operating in 2 wire mode as it may cause audio oscillations or instability 22 Fit VR3 IPN 040 06000 00 to the T...

Страница 8: ...on as factory default settings will suit a majority of applications To change the factory defaults download the PGM UIS programming application from the support area of the TaitWorld website http www taitworld com technical The download is available from Custom Solutions Programming Applications after logging in To operate the PGM UIS refer to the TA2922 Service Manual MAS 02922 01 xx The service ...

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