5
1000BASE-LX GBIC Transceivers
1000BASE-LX GBIC transceiver supports these connections:
■
Direct connection to single-mode fiber-optic cable.
■
Connection to multimode fiber through a conditioned launch cable
To ensure optimal performance, compatibility, and regulatory
compliance, use only conditioned launch cables that 3Com supports.
For a list of currently supported conditioned launch cables, see this
3Com Web site:
http://www.3Com.com/gigabit_ethernet/gbics
Table 2 shows the transmission ranges for each connection
Table 2
1000BASE-LX GBIC Multimode and Single-Mode
Transmission Ranges
Fiber Type
Diameter
(microns)
Modal
Bandwidth
(MHz
•
km)
Transmission Range
in meters (feet)
Multimode
62.5
500
2 – 550 (6.6 – 1804.6)
Multimode
50
400
2 – 550 (6.6 – 1804.6)
Multimode
50
500
2 – 550 (6.6 – 1804.6)
Single-Mode
9
–
2 – 10,000 (6.6 – 32,810)
GBICP2_2march03.fm Page 5 Wednesday, March 12, 2003 2:35 PM
