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24 Installation VH-4802
Network Cable Requirements
Copper
Figure 2-1 specifies the cable types and length constraints for the various
copper interfaces on the VH-4802.
Table 2-1. Copper Cable Specifications
Fiber
Figure 2-2 specifies the fiber types, bandwidth requirements, and length
constraints for the Fast Ethernet fiber interface on the fiber optic media
modules.
Table 2-2. Fast Ethernet Fiber Specifications
Figure 2-3 specifies the fiber types, bandwidth requirements, and length
constraints for the Gigabit Ethernet short-wavelength fiber interface on
the fiber optic media module.
Table 2-3. 1000Base-SX Fiber Specifications
Interface Type Cable Requirement Maximum Length
10Base-T Category 3 or 5 Unshielded Twisted
Pair (UTP)
100m (328 ft.)
100Base-TX Category 5 UTP 100m (328 ft.)
Interface Type Fiber Type Fiber Diameter
(microns)
Maximum Length (m)
100Base-FX (SC
connectors)
multi-mode 62.5 2,000m (6,560 ft.)
100Base-FX (SC
connectors)
single-mode 10 10 km (6.21 miles)
Fiber Diameter
(microns)
Modal Bandwidth @ 850 nm Range
62.5 µm MMF 160 MHz/km 2-220 Meters
62.5 µm MMF 200 MHz/km 2-275 Meters
50 µm MMF 400 MHz/km 2-500 Meters
50 µm MMF 500 MHz/km 2-550 Meters
ELS100-48tx2m.book Page 24 Thursday, November 16, 2000 4:59 PM