12 TA2922 Universal Line Interface Service Manual© Tait Electronics Limited March 2010External options connector (SK1) - TA2922-06 6-wire -10dBm line interface1.4 ComplianceThis product complies with the following standards:■ EMC conducted and radiated emissions, CISPR22 for Australia/NZ■ RoHS.Pin Signal Description1 Line out 1 balanced Rx audio output -10dBm into 600 ohms2 GND DC ground3 GND DC ground4 +13.8V-SW Switched 13.8V output (unregulated) @ 150mA5 Line in 1 balanced Tx audio input, 600 ohm impedance, -10dBm6 Line in 2 balanced Tx audio input, 600 ohm impedance, -10dBm7 Tx Key PTT in (active low)8 Rx Gate Rx gate output (connect to ground via relay contacts whenactive)9 Line out 2 balanced Rx audio output -10dBm into 600 ohmshjbgicdefoutside view
