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TA2922 TM8/TM9 Universal Line Interface Board Installation Instructions

Fit other additional solder links if required.
Other available configuration solder links are:

■

2/6/8-wire operation

■

keying options

■

gate out relay operation

■

software profile configurations.

These bottom-side solder link pads can alternatively be fitted with top side machine-
populated 0603 resistors. The table below indicates the hardware variants and the rela-
tionship between bottom side solder link pads and top side resistor locations. Note that
some solder link pads are 2-way while others are 3-way links.

To fit the board, refer to the following diagram for item numbering. Remove the top
cover and lid

from the radio to access the options cavity.

Remove the external options connector bung

, if it is fitted.

On the inside of the radio lid place the foam seal

over the external options connec-

tor cavity

With the top side of the universal line interface board

facing the radio lid, guide the

external options connector

into the external options connector cavity.

Screw the external options connector to the radio lid using the two screw-lock fasten-
ers

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 universal line interface board onto the mounting posts

Solder link

SMD resistor

Description

LK1 1-2

R46

Connect normally open relay contact to /GATE OUT 1

LK1 2-3

R78

Connect normally closed relay contact to /GATE OUT 1

LK4

R62

Enable RX line audio from line TX pair (2-wire line operation)

LK5 1-2

R82

Connect 2-wire line transformer centre tap to RX gate relay output

LK5 2-3

R80

Connect 2-wire line transformer centre tap to optocoupler input

LK6 1-2

R77

Connect normally open relay contact to /PTT IN 1

LK6 2-3

R76

Connect normally closed relay contact to /PTT IN 1

LK7

R65

C13.8V to relay common and /GATE OUT 2

LK8

R81

Connect half of optocoupler input and /PTT IN 2 to DC ground

LK9

R42

Select configuration profile 2 (if enabled in programming)

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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