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Canopy T1/E1 Multiplexer
3.4
3.4
T1/E1 LOOPBACK
T1/E1 LOOPBACK
Each of the 4 T1/E1s can be placed in loopback mode for testing and maintenance
Each of the 4 T1/E1s can be placed in loopback mode for testing and maintenance
purposes. This provides a bi-directional loopback on the T1/E1 interface. The near end
purposes. This provides a bi-directional loopback on the T1/E1 interface. The near end
T1/E1 Transmit is looped back to the near end Receive, and the far end T1/E1 transmit
T1/E1 Transmit is looped back to the near end Receive, and the far end T1/E1 transmit
that arrives over the BH Ethernet port is looped back to the far end Receive.
that arrives over the BH Ethernet port is looped back to the far end Receive.
The T1/E1 loopback remains in effect until the user removes the loopback through the
The T1/E1 loopback remains in effect until the user removes the loopback through the
CLI or through the EMS, or the system is reset.
CLI or through the EMS, or the system is reset.
CAUTION!
CAUTION!
Invoking a T1/E1 Loopback will drop voice calls and disrupt user traffic
Invoking a T1/E1 Loopback will drop voice calls and disrupt user traffic
flow.
flow.
Figure 24: Canopy T1/E1 Multiplexer in T1/E1 Loopback mode
Issue 1
T1/E1 Multiplexer Release 3.1
June 2004
54 of 69
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