Specifications

Reference 3-9
Cable Pinouts
Table 3-5 Connection Configuration
Figure 3-2 RJ-45-to-DB-9 Adapter Pinouts
1. Connecting a modem to the console port is not recommended. The console port does not
have modem or flow control.
Cisco 2500
Port
RJ-45 Cable
Type DB-25 Adapter End Device
Console Rolled MDTE/FDTE Terminal
Console Straight MDCE/FDCE Terminal
Console
1
Rolled MMOD Modem
Aux Rolled MDTE/FDTE Terminal
Aux Straight MDCE/FDCE Terminal
Aux Rolled MMOD Modem
RJ-45 Pin Signal DB-9 Pin
1 RTS 7
2 DTR 4
3 TXD 3
4 GND 5
5 GND 5
6 RXD 2
7 DSR 6
8 CTS 8