B-3
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
Appendix B Connectors and Cables
Connector Specifications
Figure B-2 MT-RJ Connector
10/100/1000 Ports
The 10/100/1000 Ethernet ports on Catalyst 2950T-24 switches use standard
RJ-45 connectors. Figure B-3 shows the pinout.
Connecting to 10BASE-T- and 100BASE-TX-Compatible Devices
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices,
such as servers, workstations, and routers, you can use a two or four twisted-pair,
straight-through cable wired for 10BASE-T and100BASE-TX. Figure B-6 shows
the two twisted-pair, straight-through cable schematics. Figure B-8 shows the
four twisted-pair, straight-through cable schematics.
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices,
such as switches or repeaters, you can use a two or four twisted-pair, crossover
cable. Figure B-7 shows the two twisted-pair, crossover cable schematics.
Figure B-9 shows the four twisted-pair, crossover cable schematics.
Table B-1 MT-RJ Patch Cables for 100BASE-FX Connections
Type Cisco Part Number
1-meter, MT-RJ-to-SC multimode cable CAB-MTRJ-SC-MM-1M
3-meter, MT-RJ-to-SC multimode cable CAB-MTRJ-SC-MM-3M
5-meter, MT-RJ-to-SC multimode cable CAB-MTRJ-SC-MM-5M
1-meter, MT-RJ-to-ST multimode cable CAB-MTRJ-ST-MM-1M
3-meter, MT-RJ-to-ST multimode cable CAB-MTRJ-ST-MM-3M
5-meter, MT-RJ-to-ST multimode cable CAB-MTRJ-ST-MM-5M
28845
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