Version 5.2 Sourcefire 3D System Installation Guide 189
Hardware Specifications
Sourcefire 8000 Series Devices
Chapter 6
Use the Fiber Link/Activity LEDs table to understand link and activity LEDs of the
fiber interfaces.
Use the Fiber Bypass LEDs tables to understand the bypass LEDs on the fiber
interfaces.
Fiber Link/Activity LEDs
STATUS DESCRIPTION
Top For an inline or passive interface:
• A blinking light indicates the interface has activity.
No light indicates there is no activity.
Bottom For an inline interface:
• A light indicates the interface has activity.
• No light indicates there is no activity.
For a passive interface, the light is always on.
Fiber Bypass LEDs
STATUS DESCRIPTION
Off The interface does not have link and is not in bypass
mode.
Steady green The interface 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.
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