Cisco 3800 Series - Connecting a Modem to the Auxiliary Port

Connecting a Console or Modem
31
Connecting Cables to Cisco 3800 Series Routers
OL-5970-02
Figure 23 Connecting a Computer to the Cisco 3845 Router Console Port
Connecting a Modem to the Auxiliary Port
To connect a modem to the auxiliary port on the router, follow these steps:
Step 1 Use the black RJ-45-to-DB-25 modem adapter cable to connect the router to a modem. (See Figure 24
and Figure 25.)
Step 2 Make sure that your modem and the router auxiliary port are configured for the same transmission speed
(up to 115,200 bps is supported) and hardware flow control, with data carrier detect (DCD) and data
terminal ready (DTR) enabled.
117777
Console port
connector
(RJ-45)
Laptop computer