Extreme Networks Optics
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
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Table 48 lists the specifications for the LX mini-GBIC interface.
Measure cable plant losses with a 1310 nm light source and verify this to be within budget. When you
calculate the maximum distance attainable using optical cable with a specified loss per kilometer (for
example 0.25 dB/km), Extreme Networks recommends that 3 dB of the total budget be reserved for
losses induced by cable splices or connectors, and operating margin. There is no minimum system
budget or minimum cable length restriction because the maximum receive power is the same as the
maximum transmit power. There is no minimum attenuation or minimum cable length restriction.
Summit Switches
Summit X450 series ExtremeXOS 11.2.1 or later
Summit X450a series ExtremeXOS 11.5.1 or later
Summit X450e series ExtremeXOS 11.5.1 or later
Summit X250e series ExtremeXOS 12.0
Table 48: LX mini-GBIC specifications
Parameter Minimum Typical Maximum
Transmitter
Average launch power -11 dBm -3 dBm
Center wavelength 1270 nm 1310 nm 1355 nm
Receiver
Receive sensitivity -19 dBm
Average receive power (max) -3 dBm
Operating wavelength 1270 nm 1355 nm
Link
Link power budget 8 dB
Table 47: LX mini-GBIC software requirements (Continued)
Switch Model Required Software
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