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3. Operation
3-46
February 2001 3160-A2-GB21-90
NOTE:
The external clock source is only available for 2-port and 4-port DSU/CSUs.
For carrier-mounted DSU/CSUs, the external clock provides timing for up to
eight slots in the carrier. Each Auxiliary Backplane must have its own external
clock input.
Figure 3-12. Common Clocking Configurations
496-14341-03
NETWORK
CLOCK: NETWORK CLOCK: NETWORK
CLOCK: NETWORKCLOCK: INTERNAL
CLOCK: EXTERNAL CLOCK: NETWORK
PBX
CLOCK: DTE (G.703) CONNECTOR
CLOCK: NETWORK
TERMINAL
EQUIPMENT
CLOCK: PORT 1, 2, 3, OR 4
CLOCK: NETWORK