wavelength
To set the wavelength on a DWDM controller to a specific ITU channel or to define a specific frequency or
wavelength to a DWDM controller, use the wavelength command in DWDM configuration mode. To return
the wavelength to its default value, use the no form of this command.
wavelength {50GHz-grid {channel-number | frequency frequency| update wavelength}} | {100MHz-grid
frequency frequency}
no wavelength
Syntax Description
Specifies 50-GHz frequency grid.50GHz-grid
Specifies 100-GHz frequency grid.100MHz-grid
ITU channel number. ITU channel numbers have predefined frequencies as
defined by Multi Source Agreement (MSA) International Telecommunication
Union (ITU) grid.
•
The range is 1 to 100 for conventional band (C-band)
channel-number
Keyword that specifies the frequency for the DWDM controller.
Enter the 5-digit frequency value in the range of 19115 to 19610 GHz. For
example, enter frequency 19580 to specify 195.8 THz.
frequency frequency
Keyword that defines a specific wavelength for the DWDM controller.
Enter the 7-digit frequency value in the range of 1528773-1563863 micrometers
(mm). For example, enter update 1532290 to specifiy 1532.29 nanometers (nm).
update wavelength
Command Default
The default channel is 96.
Command Modes
DWDM configuration
Command History
ModificationRelease
This command was introduced.Release 4.3.0
50 GHZ or 100 GHz options were introduced.Release 5.3.2
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
73
Dense Wavelength Division Multiplexing Commands on the Cisco ASR 9000 Series Router
wavelength
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