Version 5.2 Sourcefire 3D System Installation Guide 192
Hardware Specifications
Sourcefire 8000 Series Devices
Chapter 6
Use the Fiber Bypass LED table to understand bypass LED of the fiber interfaces.
Use the and 40GBASE-SR4 NetMod Optical Parameters table to understand
optical parameters of the fiber interfaces.
Fiber Bypass LED
STATUS DESCRIPTION
Off The interface pair does not have link and is not in bypass
mode, or has no power.
Steady green The interface pair has link and is passing traffic.
Steady amber The interface has been intentionally brought down.
Blinking amber The interface is in bypass mode; that is, it has failed open.
40GBASE-SR4 NetMod Optical Parameters
PARAMETER 40GBASE-SR4
Optical connectors OTP/MTP single row twelve fiber
positions. Only the outer eight fibers are
used
Bit rate 40.000Gbps
Baud rate/encoding/tolerance 10.3125Gbps /
64/66b encoding / +/- 100 ppm
Optical interface Multimode
Operating distances 100 m (320 ft) for
50 μm/125 μm fiber (OM3)
Minimum distance: 0.5 m (2 ft)
40G optics are carried on eight fiber
cables utilizing MPO connectors.
Transmitter wavelength 840-860 nm (850 nm typical)
Maximum average launch power 2.4 dBm
Minimum average launch power -7.8 dBm
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