Interface Configuration
7750 SR OS Interface Configuration Guide Page 315
The protect circuit must be shutdown before it can be removed from the APS group port. The
inherited configuration for the circuit and APS operational commands for that circuit are not
preserved when the circuit is removed from the APS group.
The no form of this command removes the protect-circuit.
Default none
Parameters port-id — Specify the physical port that will act as the protection circuit for this APS group in the
slot/mda/port format.
Syntax: port-id: slot/mda/port
Also see Modifying Hold-Down Timer Values on page 317 for information about modifying the
timer defaults in the event of communication delays between the APS controllers.
rdi-alarms
Syntax rdi-alarms [suppress | circuit]
Context config>port>aps
Description This command configures how RDI alarms (line, path, section) are generated on physical circuits of
an APS ports. The command configuration changes are supported only for switching-mode set to
uni_1plus1. The configuration can be changed only when no working and protecting circuit has been
added. Options:
• circuit–RDI alarms are H/W-generated independently on each working and protect circuit based
on RX failure of that circuit regardless of APS line status.
• suppress–RDI H/W generation on working and protect circuits is suppressed. No alarms are gen-
erated on RX failure of that circuit.
Default rdi-alarms circuit
revert-time
Syntax revert-time minutes
no revert-time
Context config>port>aps
Description This command configures the revert-time timer to determine how long to wait before switching back
to the working circuit after that circuit has been restored into service.
A change in the minutes value takes effect upon the next initiation of the wait to restore (WTR) timer.
It does not modify the length of a WTR timer that has already been started. The WTR timer of a non-
revertive switch can be assumed to be infinite.
The no form of this command restores the default (non-revertive mode).
Default The default is to not revert back unless the protect circuit fails or operator intervention.
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