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Cisco ONS 15454 Procedure Guide, R7.0
November 2007
Chapter22 DLPs A500 to A599
DLP- A527 Change the OC-N Card ALS Maintenance Settings
Step5 Return to your originating procedure (NTP).
Table22-5 OC-N Maintenance Settings
Parameter Description Options
Port number (Display only) Port number —
ALS Mode Automatic laser shutdown mode. ALS
provides the ability to shut down the TX
laser when the RX detects a loss of signal
(LOS).
From the drop-down list, choose one
of the following:
•Disable—Deactivates ALS.
•Auto Restart—(Default) ALS is
active. The power is automatically
shut down when needed and
automatically tries to restart using
a probe pulse until the cause of the
failure is repaired.
•Manual Restart—ALS is active.
When conditions that caused the
outage are resolved the laser must
be manually restarted only if both
ends are provisioned in Manual
Restart mode .
•Manual Restart for
Test—Manually restarts the laser
for testing.
Recovery Pulse
Duration
Sets the recovery laser pulse duration, in
seconds, for the initial, recovery optical
power pulse following a laser shutdown.
Numeric. For the default values and
domains of user-provisionable card
settings, refer to the “Network
Element Defaults” appendix in the
Cisco ONS 15454 Reference Manual.
Recovery Pulse
Interval
Sets the recovery laser pulse interval, in
seconds. This is the period of time that
must past before the recover pulse is
repeated.
Numeric. For the default values and
domains of user-provisionable card
settings, refer to the “Network
Element Defaults” appendix in the
Cisco ONS 15454 Reference Manual.
Currently
Shutdown
(Display only) Displays the current status
of the laser.
Numeric. For the default values and
domains of user-provisionable card
settings, refer to the “Network
Element Defaults” appendix in the
Cisco ONS 15454 Reference Manual.
Request Laser
Restart
If checked, allows you to restart the laser
for maintenance.
Note Restarting a laser might be
traffic-affecting.
Checked or unchecked