Cable Specifications C-5
Console and Auxiliary Port Signals and Pinouts
Auxiliary Port Signals and Pinouts
Use the thin, flat, RJ-45-to-RJ-45 roll-over cable and RJ-45-to-DB-25 male DCE adapter
(labeled “MODEM”) to connect the auxiliary port to a modem. Figure C-4 shows how to
connect the auxiliary port to a modem. Table C-3 lists the pinouts for the asynchronous
serial auxiliary port, the RJ-45-to-RJ-45 roll-over cable, and the RJ-45-to-DB-25 male
DCE adapter (labeled “MODEM”).
Figure C-4
Connecting the Auxiliary Port to a Modem
1. Pin 1 is connected internally to Pin 8.
Table C-3
Auxiliary Port Signaling and Cabling Using a DB-25 Adapter
Auxiliary
Port (DTE)
RJ-45-to-RJ-45
Roll-Over Cable
RJ-45-to-DB-25
Modem Adapter
Modem
Signal
RJ-45 Pin
RJ-45 Pin
DB-25 Pin
Signal
RTS
1
1
8
4
RTS
DTR
2
7
20
DTR
TxD
3
6
3
TxD
GND
4
5
7
GND
GND
5
4
7
GND
RxD
6
3
2
RxD
DSR
7
2
8
DCD
CTS
8
1
1
5
CTS
RJ-45-to-RJ-45
rollover cable
RJ-45-to-DB-25 adapter
(labeled Modem)
Modem
Router
H6094
Содержание CPA2501
Страница 4: ...xviii Router Installation and Configuration Guide Conventions ...
Страница 14: ...1 10 Router Installation and Configuration Guide Ordering Documentation ...
Страница 32: ...2 18 Router Installation and Configuration Guide Where to Go Next ...
Страница 41: ...Installing the Router 3 9 Setting Up the Chassis Figure 3 9 Wall Mounting the Chassis H6572 TOKEN RING ...
Страница 54: ...3 22 Router Installation and Configuration Guide What to Do after Installing the Router Hardware ...
Страница 78: ...4 24 Router Installation and Configuration Guide Getting More Information ...
Страница 84: ...A 6 Router Installation and Configuration Guide Reading the LEDs ...
Страница 122: ...C 24 Router Installation and Configuration Guide ISDN BRI Port and Cable Pinouts ...
Страница 138: ...2 16 Cisco 2500 Series Multiport Serial Router User Guide Inspecting the System ...