49
Installing and Connecting the Router
Auxiliary Port, Console Port, and Adapter Pinouts for the Cisco CGR 2010 Router
Figure 20
RJ-45 to DB-25 Female Adapter
shows the pinout descriptions for the DB-25 connections:
Auxiliary Port Connection to a Modem
To connect a PC terminal to the router, use the RJ-45-to-RJ-45 rollover cable and either the RJ-45-to-DB-25 female
DTE adapter or the RJ-45-to-DB-9 female DTE adapter (labeled
TERMINAL
).
This section lists the pinout descriptions for both DB-9 and DB-25 connections.
To connect a modem to the auxiliary port, use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-25 male DCE
adapter (labeled
MODEM
).
Auxiliary Port Signaling and Cabling Using a DB-25 Adapter
This section describes the auxiliary port signaling and cabling using a DB-25 adapter as shown in
Table 8
Pinout Descriptions for the DB-25 Connections
Console Port (DTE)
1
RJ-45 to RJ-45
Rollover Cable
RJ-45 to DB-25 Terminal Adapter
Console Device
Signal
RJ-45 Pin
RJ-45 Pin
DB-25 Pin
Signal
RTS
1
2
8
5
CTS
DTR
2
7
6
DSR
TxD
3
6
3
RxD
GND
4
5
7
GND
GND
5
4
7
GND
RxD
6
3
2
TxD
DSR
7
2
20
DTR
CTS
8
1
4
RTS
1
You can use the same cabling to connect a console to the auxiliary port.
2
Pin 1 is connected internally to Pin 8.
TERMINAL
CAB-500DTF
1
3
RJ-45 c
ab
le
8
1
RJ-45-to-DB-25 fem
a
le
a
d
a
pter
2
3
9782
1
14
25