Data connector pinout – Kenwood TM-451A User Manual
Page 17
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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