1000BASE-LX/LH is a Gigabit Ethernet standard used for transmitting data over fiber optic cables.
1000BASE-LX/LH is a Gigabit Ethernet standard used for transmitting data over fiber optic cables. It’s commonly found in enterprise networks and data centers where longer-distance communication is needed.
Technical Details
Feature
1000BASE-LX
1000BASE-LH
Fiber Type
Single-mode (SMF) or multimode (MMF)
Primarily single-mode fiber
Wavelength
1310 nm
1310 nm
Max Distance (SMF)
Up to 10 km
Typically 20 km, sometimes 40 km
Max Distance (MMF)
Up to 550 m
Not recommended
Connector Type
LC, SC
LC, SC
SFP Module Example
Cisco GLC-LH-SMD
Cisco GLC-LH-SMD
Note: When using LX over multimode fiber, a mode conditioning patch cable may be required to avoid signal distortion.