Data connector pinout – Kenwood TM-451A User Manual
Page 17
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

DATA Connector Pinout
Personal computer/dumb terminal
Pin
Number
Pin
Name
Function
1
PKD
Packet data input
• Transmit data from TNC to
transceiver
2
DE
Ground for PKD
3
PKS
Packet standby
• TNC can use this pin to
inhibit the transceiver
microphone input while
transmitting packet signals.
4
9600D
Detects 9600 bps data.
5
1200D
Detects 1200 bps data.
6
SQC
Squelch control output
• Inhibits TNC data transmit
while transceiver squelch is
open.
10