Cisco 2975 - Manual (Page 49)

B-3
Catalyst 2975 Switch Hardware Installation Guide
OL-17784-01
Appendix B Connector and Cable Specifications
Cables and Adapters
Cables and Adapters
• SFP Module Cables, page B-3
• Cable Pinouts, page B-4
• Console Port Adapter Pinouts, page B-6
SFP Module Cables
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).
Table B-1 Fiber-Optic SFP Module Port Cabling Specifications
SFP Module
Wavelength
(nanometers)
Fiber Type
Core Size
(micron)
Modal
Bandwidth
(MHz/km)
Cable Distance
100BASE-FX Min.: 1270
Typical: 1300
Max.: 1380
MMF 50/125 500 6,562 feet (2 km)
1000BASE-BX 1490/1310 SMF G.652 — 32,810 feet (10 km)
1000BASE-LX/LH 1300 MMF
1
SMF
62.5
50
50
G.652
2
500
400
500
—
1804 feet (550 m)
1804 feet (550 m)
1804 feet (550 m)
32,810 feet (10 km)
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)
1000BASE-ZX 1550 SMF G.652 — 43.4 to 62 miles (70
to 100 km)
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