
CHAPTER 4 SERIAL PORTS
4-7
SERIAL CABLE PIN OUT
The following is the pin out between the IDC connector
for the RPC-2350 and the DB-9 connector to the PC or
terminal.
IDC pin # DB-9
pin #
Description Direction
from 2350
1 nc
2 nc
3 2 Transmit Out
4 7 RTS In
5 3 Receive In
6 8 CTS Out
7 nc
8 nc
9 5 Ground
10 na +5V Out
Note that CTS and RTS are not available on J1.
The VTC -9 serial cable is a simple one-to-one
connection between a 10-pin ID C connector and 9-pin
IDC DSU B.
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