Nortel Networks 1000BASE-ZX, 1000BASE-SX, 1000ASE-XD manual Model 1000BASE-LX Gbic specifications

Appendix B Installing a Gigabit Interface Converter (GBIC) 187

Table 51 describes standards, connectors, cabling, and distance for the Model 1000BASE-LX GBIC.

Table 51 Model 1000BASE-LX GBIC specifications

Type	Specifications
Standards	Conformity to the following standards:
	802.3z, 1000BASE-LX
Connectors	Duplex SC fiber optic connector
Cabling	62.5 µm MMF optic cable
	50 µm MMF optic cable
	10 µm SMF optic cable
Distance	1804 ft. (550 m) using 62.5 µm MMF optic cable
	1804 ft. (550 m) using 50 µm MMF optic cable
	16405 ft. (5 km) using 10 µm SMF optic cable
Wavelength	1300 nm
Optical budget	10.5 dB
Laser Transmitter Characteristics
Minimum launch power	-9.5 dBm
Maximum launch power	-3 dBm
Receiver Characteristics
Minimum receiver sensitivity	-20 dBm
Maximum input power	-3 dBm

Note: When multimode fiber is used in long distance applications, external, removable, mode-conditioning patch cords may be required to prevent differential mode delay (DMD). You can order mode conditioning patch cords through Nortel Networks:

•SC-SC Mode Conditioning Patch Cord 62.5/125—part number AA0018035

•SC-SC Mode Conditioning Patch Cord 50/125—part number AA0018036

Using the BayStack 420 10/100/1000 Switch