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Connector and Cable Specifications
Identifying a Crossover Cable
To identify a crossover cable, compare the two modular ends of the cable. Hold the cable ends side-by-side,
with the tab at the back. The wire connected to the pin on the outside of the left plug should be a different
color from the wire connected to the pin on the inside of the right plug.
Figure 31: 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 need to provide a RJ-45-to-DB-25 female DTE adapter to connect
the switch console port to a terminal.
Table 3: Console Port Signaling with a DB-9 Adapter
Switch Console Port (DTE)
Signal
RTS
DTR
TxD
GND
GND
RJ-45-to-DB-9 Terminal Adapter
DB-9 Pin
8
6
2
5
5
Cisco Catalyst 2960-L Series 24-Port and 48-Port Switch Hardware Installation Guide
Console Port Adapter Pinouts
Console Device
Signal
CTS
DSR
RxD
GND
GND
49
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