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Circuit Pack Descriptions
7-66 Issue 3 June 2001
BBG4/BBG4B DS3 Circuit Pack Description 7
Purpose of Circuit 7
The BBG4/BBG4B DS3 circuit pack provides a low-speed interface between
asynchronous DS3-rate signals and SONET STS-1 signals. The BBG4B DS3
provides the same functions as the BBG4 DS3 and can be used in place of the
BBG4 DS3 in all applications. In addition, the BBG4B DS3 has enhanced DS3 PM
capabilities.
BBG4/BBG4B DS3 Faceplate Indicators 7
The BBG4/BBG4B DS3 circuit pack faceplate indicators are shown in Figure 7-25.
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