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Appendix B Installing a Gigabit Interface Converter (GBIC) 189
Using the BayStack 420 10/100/1000 Switch
1000BASE-ZX
The Model 1000BASE-ZX GBIC provides Gigabit Ethernet connectivity using
SC duplex single-mode fiber connectors. High-performance optical transceivers
enable Gigabit Ethernet link distances up to 70 km over single-mode fiber cable.
The ports operate in full-duplex mode only.
Table 53 describes standards, connectors, cabling, and distance for the Model
1000BASE-ZX GBIC.
Table 53 Model 1000BASE-ZX GBIC specifications
Type Specifications
Standards Conformity to the following standards:
802.3z, Ethernet full duplex
Connectors SC duplex single-mode fiber optic connector
Cabling Single-mode fiber optic cable
Distance Up to 70 km using single-mode fiber optic
cable, depending on the quality of the fiber
Optical budget 22 dB
Laser Transmitter Characteristics
Wavelength 1550 ± 10 nm
Maximum spectral width 0.2 nm
Maximum launch power 3.0 mW ± 5 dBm
Minimum launch power into fiber 0 dBm
Distance 70 km
Receiver Characteristics
Wavelength 1200 nm to 1550 nm
Minimum receiver sensitivity -22 dBm
Maximum input power -3 dBm