User’s Manual of IGS-604HPT-M12
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Green: This ERPS is configured - is active.
ï‚· Guard Time
Guard timeout value is to be used to prevent ring nodes from receiving outdated
R-APS messages.
The period of the guard timer can be configured in 10 ms steps between 10 ms
and 2 seconds, with a default value of 500 ms
ï‚· WTR Time
The Wait To Restore timing value is to be used in revertive switching.
The period of the WTR time can be configured by the operator in 1 minute steps
between 5 and 12 minutes with a default value of 5 minutes.
ï‚· Hold Off Time
The timing value is to be used to make persistent check on Signal Fail before
switching.
The range of the hold off timer is 0 to 10 seconds in steps of 100 ms
ï‚· Version
ERPS Protocol Version - v1 or v2
ï‚· Revertive
In Revertive mode, after the condition causing a protection switch has cleared,
the traffic channel is restored to the working transport entity, i.e., blocked on the
RPL.
In Non-Revertive mode, the traffic channel continues to use the RPL; it does not
fail after a protection switch condition has cleared.
ï‚· VLAN Config
VLAN configuration of the Protection Group. Click on the "VLAN Config" link to
confure VLANs for this protection group.
PRL Configuration:
Object Description
ï‚· PRL Role
It can be either RPL owner or RPL Neighbour.
ï‚· PRL Port
This allows to select the east port or west port as the RPL block.
ï‚· Clear
If the owner has to be changed, then the clear check box allows to clear the RPL
owner for that ERPS ring.
Instance Command:
Object Description
ï‚· Command
Administrative command. A port can be administratively configured to be in either
manual switch or forced switch state.
ï‚· Port
Port selection - Port0 or Port1 of the protection Group on which the command is
applied.