Testing And Fault Finding; S1 Technician Programming Connector; S2 Factory Programming Connector - Tait TM8000 Service Manual

6

Testing and fault finding

6.1

S1 Technician Programming Connector

S1 is a 6-way single in-line connector for programming TA2922 software options
and also for upgrades to the option board software.
Pin number Signal name
1 +13V8_SW
2 /GATE OUT 2
3 GND
4 /PTT IN 2
5 DATA OUT
6 DATA IN
6.2

S2 Factory Programming Connector

S2 is a 2x3-way connector intended for factory programming only
Pin number Signal name
1 VDD
2 N/C
3 PGC
4 GND
5 MCLR
6 PGD
TA2922 Universal Line Interface Service Manual
© Tait Electronics Limited March 2010
Function
+13.8V unregulated DC supply
Gate relay common
DC ground
TX key to optocoupler
RS-232 data from TA2922 to PC serial port
RS-232 data from PC serial port to TA2922
Function
+3.3V regulated supply
Not connected
Program clock
DC ground
Master clear/reset
Program data
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