B-3
Catalyst 2900 Series XL Hardware Installation Guide
78-6461-04
Appendix B Connectors and Cable Specifications
Connector Specifications
Figure B-2
100BASE-FX SC Connector
LRE Ports
The LRE ports use a single RJ-21 connector, as shown in
Figure B-3
.
Figure B-3
RJ-21 Connector
Console Port
The console port uses an 8-pin RJ-45 connector, described in
Table B-2
and
Table B-4
. The supplied RJ-45-to-RJ-45 rollover cable and DB-9 adapter are used
to connect the console port of the switch to a console PC. You need to provide a
RJ-45-to-DB-25 female DTE adapter if you want to connect the switch console
47739
Tx
Rx
48727
RJ-21
connector
MODE
SYSTEM
RPS
LRE
STAT
DUPLX
SPEED
1X
2X
3X
4X