Cisco ONS 15454 SDH Procedure Manual page 612

DLP- D216 Change the STM-N Card ALS Maintenance Settings
DLP-D216 Change the STM-N Card ALS Maintenance Settings
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
For the default values and domains of user-provisionable card settings, refer to the "Network Element
Note
Defaults" appendix in the Cisco ONS 15454 SDH Reference Manual.
In node view, double-click the STM-N card where you want to change the ALS maintenance settings.
Step 1
Click the Maintenance > ALS tabs.
Step 2
Modify any of the settings described in
Step 3
fields you can choose an option from a drop-down list; in others you can type a value or select or deselect
a check box. The provisionable parameters are listed in the options column in the table.
Table 19-2
Parameter
Port number
ALS Mode
Recovery Pulse
Duration
Cisco ONS 15454 SDH Procedure Guide, R7.0
19-14
This task changes the automatic laser shutdown (ALS) maintenance
settings for the STM-N cards. This feature is available for STM-64 and
MRC-12 cards.
None
DLP-D60 Log into CTC, page 17-49
As needed
Onsite or remote
Provisioning or higher
Table 19-2
STM-N Maintenance Settings
Description
(Display only) Port number
Automatic laser shutdown mode.
ALS provides the ability to shut
down the TX laser when the RX
detects a loss of signal (LOS).
Sets the recovery laser pulse
duration, in seconds, for the initial,
recovery optical power pulse
following a laser shutdown.
Chapter 19
by clicking in the field you want to modify. In some
Options
—
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, but
•
the laser must be manually restarted
when conditions that caused the outage
are resolved.
Manual Restart for Test—Manually
•
restarts the laser for testing.
Numeric. For the default values and
domains of user-provisionable card
settings, refer to the "Network Element
Defaults" appendix in the Cisco ONS 15454
SDH Reference Manual.
DLPs D200 to D299
78-17194-01