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
Table 8 on page 49 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 Figure 21 on page 50
and Figure 22 on page 50.
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
85 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
13
RJ-45 cable
8
1
RJ-45-to-DB-25 female adapter
239782
1
14
25
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