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56K Crossover circuit pack – turbo only
General Description
The 56K Crossover (XOVR) circuit pack provides the following
capabilities
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56K XOVR circuit pack layout is shown in Figure 15–2. Table 15–1
provides option setting information.
Replacing 56K Xovr circuit pack
To replace this circuit pack, use the following procedure.
:
Interface between the DPP system backplane (56K Interface circuit pack
at A7 and B7) and 56K Connector circuit pack.
Support for XOVR and interface selections for the Serial
Communication Controller (SCC) ports.
Support for V.35 and RS–232 interface for the SCC ports.
Full hardware implementation; no software required.
Two 40–pin access ports; one for each of the 56K Interface circuit packs.
A 60–pin access for the 56K Connector circuit pack.
12–pin power connector like the one on the P/A Comm circuit pack.
DPP Card Replacement Guide BCS35 and up
139
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