Kenwood TS-450 ACC2 pin assignments
A fixed-voltage audio output suitable for connection to, for example, computer soundcards and audio amplifiers, together with sundry less useful inputs and outputs is available from the ACC2 13-pin DIN connection on the back of this rig.
| Pin number | Symbol | Use |
|---|---|---|
| 1 | NC | No connection |
| 2 | RTK | RTTY terminal |
| 3 | ANO | Receiver audio output, 300mV, 4.7kΩ |
| 4 | GND | Ground |
| 5 | PSQ | TNC squelch control |
| 6 | NC | No connection |
| 7 | NC | No connection |
| 8 | GND | Ground |
| 9 | PKS | Packet send (microphone off transmit) |
| 10 | NC | No connection |
| 11 | PKD | Packet data in (20mV or more) |
| 12 | GND | Ground |
| 13 | SS | Standby terminal, grounding transmits |