12 TA2922 Universal Line Interface Service Manual
© Tait Electronics Limited March 2010
External options connector (SK1) - TA2922-06 6-wire -10dBm line interface
1.4 Compliance
This product complies with the following standards:
■ EMC conducted and radiated emissions, CISPR22 for Australia/NZ
■ RoHS.
Pin Signal Description
1 Line out 1 balanced Rx audio output -10dBm into 600 ohms
2GND
DC ground
3GND
DC ground
4 +13.8V-SW Switched 13.8V output (unregulated) @ 150mA
5 Line in 1 balanced Tx audio input, 600 ohm impedance, -10dBm
6 Line in 2
balanced Tx audio input, 600 ohm impedance, -10dBm
7 Tx Key PTT in (active low)
8 Rx Gate Rx gate output (connect to ground via relay contacts when
active)
9 Line out 2
balanced Rx audio output -10dBm into 600 ohms
hj
b
gi
cdef
outside view
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