Alcatel-Lucent 1643 AMS User's Operation Manual page 552

Traffic provisioning
Parameters for adding MSP protection
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Working section
Displays the group of sections defined as working.
Protection section
Displays the group of sections defined as protection.
Active section
Displays which section is carrying traffic.
Switch state
Displays the current switch state of the protection pair.
MSP pair selection
Working section port shows the available ports on the cards supporting MSP that can
be protected. Protection section port will be filled in with the associated protection port
once the working section has been selected.
Communication mode
Communication Mode displays whether the protection is unidirectional or bidirectional.
In the case of failure with unidirectional mode the receive side switches. In the
bidirectional mode both sides are switched. When the unidirectional mode is displayed
the Far End selection are greyed out.
Switch mode
Switch Mode displays whether the protection is Revertive or Non-Revertive. In the
case of failure with Revertive mode the traffic switches to the protected line and
switches back when the failure is solved. In the Non-Revertive mode the traffic
switches to the protected line and remains even when the failure is solved.
WTR (Wait to restore/Wait to rename)
If MSP mode is ETSI, then WTR is the wait to restore time after the failure on the
protected unit has cleared. If MSP mode is 1+1 optimized, then WTR is the Wait to
rename: after the failure on the protected unit has cleared, the traffic remains on the
protection, but the current primary becomes secondary and the other way around.
Values are 0..60
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8-200 Alcatel-Lucent - Proprietary
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365-312-807R7.2
Issue 4, May 2007