B-5
Catalyst 2350 Switch Hardware Installation Guide
OL18479-01
Appendix B Connector and Cable Specifications
Cable and Adapter Specifications
SFP Module Cable Specifications
lists the cable specifications for 100BASE-FX, 1000BASE-SX, 1000BASE-LX,
1000BASE-ZX, and CWDM fiber-optic SFP module connections. Each port must match the wave-length
specifications on the other end of the cable, and the cable must not exceed the stipulated cable length.
Copper 1000BASE-T SFP transceivers use standard four twisted-pair, Category 5 cable at lengths up to
328 feet (100 meters).
Four Twisted-Pair Cable Pinouts
Figure B-8
Four Twisted-Pair Straight-Through Cable Schematic
Figure B-9
Four Twisted-Pair Crossover Cable Schematic
Table B-3
Fiber-Optic SFP Module Port Cabling Specifications
SFP Module
Wavelength
(nanometers)
Fiber Type
Core Size
(micron)
Modal
Bandwidth
(MHz/km)
Cable Distance
1000BASE-SX
850
MMF
62.5
62.5
50
50
160
200
400
500
722 feet (220 m)
902 feet (275 m)
1640 feet (500 m)
1804 feet (550 m)
1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP1+
S
witch
Router or PC
2 TP1-
3 TPO+
6 TPO-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP3+
5 TP3-
7 TP2+
8 TP2-
65272
1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP0+
S
witch
S
witch
2 TP0-
3 TP1+
6 TP1-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
65274