SMC Networks SMC2555W-AG - Manual (Page 235)

Console Port Pin Assignments
B-5
Serial Cable Signal Directions for DB-9 Ports
Serial Cable Signal Directions for DB-25 Ports
DB-9 to DB-9 AP Terminal or PC
1
2
3
4
5
6
7
8
9 1
2
3
4
5
6
7
8
9
DB-9 to DB-25 AP Terminal or PC
1
2
3
4
5
6
7
8
9 8
3
2
20
7
6
4
5
22
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved