External Options Connector (Sk1) - Ta2922-04 Balanced Line Input With Unbalanced Speaker Output; External Options Connector (Sk1) - Ta2922-05 6-Wire Line Interface (Marine) - Tait TM8000 Service Manual

External options connector (SK1) - TA2922-04 balanced line input with
unbalanced speaker output
f e d c b
j i h g
outside view

External options connector (SK1) - TA2922-05 6-wire line interface (marine)

f e d c b
j i h g
outside view
TA2922 Universal Line Interface Service Manual
© Tait Electronics Limited March 2010
Pin Signal
1 Speaker out unbalanced volume controlled audio output 0 to
4.5Vrms into 50 ohms
DC ground
2 GND
DC ground
3 GND
4 +13.8V-SW Switched 13.8V output (unregulated) @ 150mA
5 Line in 1 balanced Tx audio input, 600 ohm impedance, -14dBm
for 2kHz deviation (wide band)
balanced Tx audio input, 600 ohm impedance, -14dBm
6 Line in 2
for 2kHz deviation (wide band)
7 Tx Key PTT in (active low)
8 Rx Gate Rx gate output (connect to ground via relay contacts
when active)
DC ground
9 GND
Pin Signal Description
1 Line out 1 balanced Rx audio output 0dBm into 600 ohms
DC ground
2 GND
DC ground
3 GND
4 +13.8V-SW +13.8V-SW Switched 13.8V output (unregulated) @
150mA
5 Line in 1 balanced Tx audio input, 600 ohm impedance, 0dBm
balanced Tx audio input, 600 ohm impedance, 0dBm
6 Line in 2
7 Tx Key PTT in (active low)
8 Rx Gate Rx Gate Rx gate output (connect to ground via relay
contacts when active)
balanced Rx audio output -2.5dBm into 600 ohms
9 Line out 2
Description
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