363-206-285
Circuit Pack Descriptions
Issue 3 June 2001
7-53
â– Inserts and detects VT path yellow signal.
BBF9/BBF10 IMA LAN Circuit Pack Description 7
Purpose of Circuit 7
The BBF9 electrical 802.3 compliant LAN port circuit pack provides a low-speed
interface between a single 10/100 BaseT LAN port and from 1 to 8 DS1 signals.
The BBF10 provides the same function as the BBF9, but provides a 100 BaseFX
LAN port.
IMA LAN Faceplate Indicator 7
TheBBF9/BBF10circuitpackFAULTindicatorisshowninFigure7-20.Thisred
FAULT LED is lit by the SYSCTL on detection of a IMA LAN circuit pack failure. In
the event of an incoming LAN signal failure, this LED flashes on and off.
Figure 7-20. BBF9/BBF10 IMA LAN Circuit Pack
BBF9 BBF10
Lucent Lucent
S1:1
IMA
S1:1
IMA
FAULT FAULT
BBF9 IMA
ELECTRICAL VERSION
BBF10 IMA
OPTICAL VERSION
bbf9-bbf10 11/99
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