Kenwood TS-590S - Manual (Page 74)

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13 CONNECTING PERIPHERAL EQUIPMENT
REMOTE CONNECTOR
Pin No. Pin Name Function I/O
1 SPO Speaker output O
2 COM Common terminal I/O
3 SS
Standby; when grounded, the transceiver enters TX
mode.
• During transmission, the audio input of ACC2 connector
terminal 11 (ANI) and the USB terminal are muted.
I
4 MKE
When connected with the common terminal, the amplifier
enters TX mode.
I/O
5 BRK
When connected with the common terminal, the amplifier
enters RX mode.
I/O
6 ALC ALC input from the amplifier (approx. -7 V). I
7 RL
Approx. +12 V DC is output when in TX mode (10 mA
max.).
O
EXT.AT CONNECTOR (for AT-300)
Pin No. Pin Name Function I/O
1 GND Ground —
2 TT AT-300 control input/ output I/O
3 GND Ground —
4 NC No connection —
5 TS AT-300 control input/ output I/O
6 14S Power supply for EXT.AT Switched 13.8V. O
MIC CONNECTOR
Pin No. Pin Name Function I/O
1 MIC MIC signal input I
2 SS MIC standby (PTT) control I
3 MD MIC Down control I
4 MU MIC UP control I
5 8A Switched 8V O
6 NC No connection —
7 MSG MIC GND —
8 MCG GND —