Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
You can set the wavelength to a specific ITU channel, that is represented by a channel number in the Multi
Source Agreement (MSA) ITU grid.
The spacing between wavelengths is 50 GHZ or 100 GHz. Use the show controllers dwdm command with
the wavelength-map keyword to view the channel numbers and wavelengths that are supported for a particular
controller.
The controller must be in the out-of-service state before you can use the wavelength command.
Task ID
OperationsTask ID
read, writedwdm
Examples
The following example shows how to set the DWDM wavelength to ITU channel 10.
RP/0/RP0/CPU0:router(config)# controller dwdm 0/1/0/0
RP/0/RP0/CPU0:router(config-dwdm)# wavelength 50GHz-grid 10
The following example shows how to set the frequency of ITU channel 10 to 195.8 THz.
RP/0/RP0/CPU0:router(config)# controller dwdm 0/1/0/0
RP/0/RP0/CPU0:router(config-dwdm)# wavelength 50GHz-grid frequency 19580
Related Commands
DescriptionCommand
Displays optical parameters, G.709 alarms and counters, and register
and module information for a DWDM controller.
show controller dwdm, on page 56
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
74
Dense Wavelength Division Multiplexing Commands on the Cisco ASR 9000 Series Router
wavelength
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