3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet Getting Started Manual - page 43
The Power-up Sequence
43
Table 15 1000BASE-X SFP Port Cable Range
Choosing the Correct
Cables for the
100BASE-X SFP Ports
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.
Table 16
shows the
range for each connection:
Table 16 100BASE-X SFP Port Cable Range
Fiber Type
Diameter
(microns)
Modal
Bandwidth
(MHz . km)
Transmission Range in meters
(in feet)
1000BASE-SX
Multi-mode
62.5
160
2m - 220m (6.6 ft - 721.8 ft)
Multi-mode
62.5
200
2m - 275m (6.6 ft - 902.3 ft)
Multi-mode
50
400
2m - 500m (6.6 ft - 1640.5 ft)
Multi-mode
50
500
2m - 550m (6.6 ft - 1804.6 ft)
1000BASE-LX
Multi-mode
62.5
500
2m - 550m (6.6 ft - 1804.6 ft)
Multi-mode
50
400
2m - 550m (6.6 ft - 1804.6 ft)
Multi-mode
50
500
2m - 550m (6.6 ft - 1804.6 ft)
Single-mode
9
-
2m - 10,000m (6.6 ft - 32, 810 ft)
1000BASE-LH70
Single-mode
9 core
-
2m - 70 km (6.6 ft - 43 miles)
Fiber Type
Diameter
(microns)
Modal
Bandwidth
(MHz . km)
Transmission Range in meters
(in feet)
100BASE-FX 2Km
Multi-mode
62.5
160
2m - 2000m (6.5 ft - 6,562 ft)
Multi-mode
50
400
2m - 2000m (6.5 ft - 6,562 ft)
100BASE-LX10 10Km
Single-mode
9
-
2m - 10,000m (6.5 ft - 32, 808 ft)