100base-fx ports – Cisco 2900 SERIES XL User Manual
Page 90
Appendix B Connectors and Cable Specifications
Connector Specifications
B-2
Catalyst 2900 Series XL Hardware Installation Guide
78-6461-03
Figure B-1
10/100 Port Pinouts
When connecting the 10/100 ports to compatible workstations, servers, routers,
and Cisco IP Phones, you must use a straight-through cable wired for 10BASE-T
and 100BASE-TX. (
shows the straight-through cable schematics.)
When connecting to other switches or repeaters, you must use a crossover cable.
(
shows the crossover cable schematics.)
Note
Use a straight-through cable to connect two ports when one of the ports is
designated with an X. Use a crossover cable to connect two ports when both
connectors and cables are designated with an X or when both ports do not have
an X.
100BASE-FX Ports
100BASE-FX ports use duplex SC connectors, as shown in
. These
ports use 10/125- or 62.5/125-micron multimode fiber-optic cabling.
54968
2 3
1
4 5 6 7 8
Pin
Label
1
2
3
4
5
6
7
8
RD+
RD-
TD+
NC
NC
TD-
NC
NC