File: RS232TNC2.htm
RS-232 Minimum cable wiring
9-Pin Female (Computer) to 25-Pin Male KISS TNC2
RxD 2 ------<-------- 3 RxD
SG 5 ---------------
7 SG
TxD 3 ------>-------- 2 TxD
Shell ---------------- Shell
RTS 7 --| |-- 4 RTS
CTS 8 --| |-- 5 CTS
DSR 6 ----| |---- 6 DSR
DCD 1 ----| |---- 8 DCD
DTR 4 ----| |---- 20 DTR
RTS and CTS are connected together, and
DSR, DCD and DTR are connected together
on each connector. A total of 4 wires
make up the interconnecting cable.
Using Cat-5 cable to provide two circuits:
9-Pin Female (Computer) to 25-Pin Male KISS
TNC2
Blue and 2 3
White 5
7
Orange and 3 2
White Shell
Shell
Brown and 2 3
White 5
7
Green and 3 2
White Shell
Shell