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Console Port to 25-Pin DTE Port on PC
Null Modem
Switch Port
DB-9 Pin No.
1 (DCD)
2 (RXD)
3 (TXD)
4 (DTR)
5 (SGND)
6 (DSR)
7 (RTS)
8 (CTS)
9 (RI)
11
23
32
48
520
67
74
95
20 6
PIN ASSIGNMENTS
B-6
25-Pin PC Port
DTE Pin No.
8 (DCD)
3 (TXD)
2 (RXD)
20 (DTR)
7 (SGND)
6 (DSR)
4 (RTS)
5 (CTS)
22 (RI)