Modem Adapter - Cisco Catalyst 6807-XL Hardware Installation Manual

Transceivers, Module Connectors, and Cable Specifications
Table 31: Port Mode 1 Signaling and Pinouts (DB-25 Adapter)
Console Port
Signal
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
17 Pin 1 is connected internally to Pin 8.
18 Pin 1 is connected internally to Pin 8.

Modem Adapter

Use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-25 male DCE adapter (labeled "Modem") to
connect the console port to a modem.
This table lists the pinouts for the asynchronous serial auxiliary port, the RJ-45-to-RJ-45 rollover cable, and
the RJ-45-to-DB-25 male DCE adapter.
Table 32: Port Mode 1 Signaling and Pinouts (Modem Adapter)
Console Port
Signal
RTS
DTR
TxD
GND
OL-30656-01
RJ-45-to-RJ-45 Rollover Cable
RJ-45 Pin RJ-45 Pin
17
1 8
2 7
3 6
4 5
5 4
6 3
7 2
18
8 1
RJ-45-to-RJ-45 Rollover Cable
RJ-45 Pin RJ-45 Pin
19
1 8
2 7
3 6
4 5
Cisco Catalyst 6807-XL Switch Hardware Installation Guide
Modem Adapter
RJ-45-to-DB-25 Console
Terminal Adapter Device
DB-25 Pin Signal
5 CTS
6 DSR
3 RxD
7 GND
7 GND
2 TxD
20 DTR
4 RTS
RJ-45-to-DB-25 Console
Modem Adapter Device
Adapter
DB-25 Pin Signal
4 CTS
20 DSR
3 RxD
7 GND
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