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Circuit Pack Descriptions
Issue 3 June 2000
7-3
BBG8/BBG8B SYSCTL Circuit Pack Description
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Purpose of Circuit
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The BBG8/BBG8B SYSCTL circuit pack is the system controller for the
FiberReach Multiplexer. It has control over all shelf functions and provides all user
interfaces into the system.
BBG8/BBG8B SYSCTL Faceplate Controls and
Indicators
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The BBG8 SYSCTL circuit pack faceplate controls and indicators are shown in
Figure 7-1. The SYSCTL has a red FAULT LED and a 7-segment numeric LED
display, as well as the FE SEL and UPD/INIT pushbuttons on its faceplate. The
red FAULT LED lights on detection of a circuit pack failure. These controls and
indicators are discussed in more detail under "User Panel" in
Chapter 6, "Operations Interfaces."
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