Cisco RJ45 to DB25 Cable Pinout
From AllPinouts
Cable pinout for: Cisco RJ45 to DB25

25 PIN D-SUB FEMALE to the Computer)

RJ45 MALE CONNECTOR To the Cisco router
| Adapter | DTE M/F Pins1 | DCE M/F Pins | MMOD Pins2 |
|---|---|---|---|
| RJ-45 Pins | DB-25 Pins | ||
| 1 | 4 | 5 | 5 |
| 2 | 20 | 6 | 8 |
| 3 | 2 | 3 | 3 |
| 4 | 7 | 7 | 7 |
| 5 | 7 | 7 | 7 |
| 6 | 3 | 2 | 2 |
| 7 | 6 | 20 | 20 |
| 8 | 5 | 4 | 4 |
Notes
- (1) The FDTE RJ-45-to-DB-25 adapter is labeled "Terminal."
- (2) The MMOD RJ-45-to-DB-25 adapter is labeled "Modem."
