Choosing The Correct Cables For The 100Base-X Sfp Ports - 3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet Getting Started Manual

Choosing the Correct
Cables for the
100BASE-X SFP Ports
Table 15 1000BASE-X SFP Port Cable Range
Fiber Type
1000BASE-SX
Multi-mode
Multi-mode
Multi-mode
Multi-mode
1000BASE-LX
Multi-mode
Multi-mode
Multi-mode
Single-mode
1000BASE-LH70
Single-mode
The 100BASE-LX10 SFP transceiver supports a direct connection to a
single-mode fiber-optic cable. The 100BASE-FX SFP transceiver supports a
direct connection to multi-mode fiber-optic cable.
range for each connection:
Table 16 100BASE-X SFP Port Cable Range
Fiber Type
100BASE-FX 2Km
Multi-mode
Multi-mode
100BASE-LX10 10Km
Single-mode
Diameter Modal
(microns) Bandwidth
(MHz . km)
62.5 160
62.5 200
50 400
50 500
62.5 500
50 400
50 500
9 -
9 core -
Diameter Modal
(microns) Bandwidth
(MHz . km)
62.5 160
50 400
9 -
The Power-up Sequence
Transmission Range in meters
(in feet)
2m - 220m (6.6 ft - 721.8 ft)
2m - 275m (6.6 ft - 902.3 ft)
2m - 500m (6.6 ft - 1640.5 ft)
2m - 550m (6.6 ft - 1804.6 ft)
2m - 550m (6.6 ft - 1804.6 ft)
2m - 550m (6.6 ft - 1804.6 ft)
2m - 550m (6.6 ft - 1804.6 ft)
2m - 10,000m (6.6 ft - 32, 810 ft)
2m - 70 km (6.6 ft - 43 miles)
Table 16 shows the
Transmission Range in meters
(in feet)
2m - 2000m (6.5 ft - 6,562 ft)
2m - 2000m (6.5 ft - 6,562 ft)
2m - 10,000m (6.5 ft - 32, 808 ft)
43