Figure 37: Identifying a Crossover Cable
Console Port Adapter Pinouts
The RS-232 console port uses an 8-pin RJ-45 connector. Use an RJ-45-to-DB-9 adapter cable to connect the
switch console port to a console PC. You must provide a RJ-45-to-DB-25 female DTE adapter to connect the
switch console port to a terminal.
Table 11: Console Port Signaling with a DB-9 Adapter
Console Device
RJ-45-to-DB-9 Terminal Adapter
Switch Console Port (DTE)
Signal
DB-9 Pin
Signal
CTS
8
RTS
DSR
6
DTR
RxD
2
TxD
GND
5
GND
GND
5
GND
TxD
3
RxD
DTR
4
DSR
RTS
7
CTS
Table 12: Console Port Signaling with a DB-25 Adapter
Console Device
RJ-45-to-DB-25 Terminal Adapter
Switch Console Port (DTE)
Signal
DB-25 Pin
Signal
CTS
5
RTS
DSR
6
DTR
RxD
3
TxD
GND
7
GND
Cisco Catalyst PON Series Switches Hardware Installation Guide
66
Connector and Cable Specifications
Console Port Adapter Pinouts