Interlogix NS3550-2T-8S User Manual User Manual
Page 346
IFS NS3552-8P-2S AND NS3550-2T-8S User Manual
346
• Ring Type
Type of Protecting ring. It can be either major ring or sub-ring.
Instance Configuration:
Object
Description
• Configuration
Red: This ERPS is only created and has not yet been configured - is not active.
Green: This ERPS is configured - is active.
• Guard Time
Guard timeout value to be used to prevent ring nodes from receiving outdated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
• WTR Time
The Wait To Restore timing value 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.
• Hold Off Time
The timing value 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
• Version
ERPS Protocol Version - v1 or v2
• Revertive
In Revertive mode, after the conditions 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, if it is not
failed, after a protection switch condition has cleared.
• 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
• PRL Role
It can be either RPL owner or RPL Neighbour.
• PRL Port
This allows to select the east port or west port as the RPL block.
• 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
• Command
Administrative command. A port can be administratively configured to be in either
manual switch or forced switch state.
• Port
Port selection - Port0 or Port1 of the protection Group on which the command is
applied.
Instance State:
Object
Description
• Protection State
ERPS state according to State Transition Tables in G.8032.