11-35
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 11      Change DWDM Card Settings
DLP-G212 Change Optical Channel Parameters for the 32WSS Card
Step 4 Click Apply. If the change affects traffic, a warning message displays. Click Yes  to complete the 
change. 
VOA Mode (Display only) Displays the active VOA 
working mode.
• Constant Power
• Constant Attenuation
VOA Power 
Reference
(Display only) Shows the value of the optical 
power setpoint that must be reached on the path 
where a VOA is present, when VOA Mode is set 
to Constant Power. This value is the desired 
per-channel optical power. This parameter can 
only be modified by ANS.
Numeric value (dB)
VOA Power 
Calibration
Allows you to modify the VOA power value 
when VOA Mode is Constant Power.
Double-click the parameter, enter a value, and press 
Enter.
• Numeric value (dB)
• –37 dB to –2 dB
VOA 
Attenuation 
Reference
(Display only) Shows the attenuation value of 
the VOA when the VOA Mode is Constant 
Attenuation. This parameter can only be 
modified by ANS.
Numeric value (dB)
VOA 
Attenuation 
Calibration
Allows you to modify the VOA attenuation 
value when VOA Mode is Constant Attenuation.
Double-click the parameter, enter a value, and press 
Enter.
• Numeric value (dB)
• –30 dB to +30 dB
Actual 
Wavelength
(Display only) Displays the actual wavelength 
utilized by the channel.
• Actual measured value (nm)
• UNKNOWN
Expected 
Wavelength
(Display only) Displays the expected 
wavelength assigned for the channel.
• Value (nm) from the ITU-T grid specification
• UNKNOWN
Power ADD (Display only) Displays a measurement of the 
optical power coming in on the ADD RX port. 
This is the power transmitted by the TX laser of 
the TXP or MXP card that is connected to the 
32WSS.
The measurement is performed by a photodiode 
before the selector and the VOA. The 
photodiode validates the power level of the 
incoming wavelength power. 
Numeric value (dB)
Path Value (Display only) Displays Path value.
• Standby
AINS Soak (Display only) Sets the automatic in-service 
soak period.
• Duration of valid input signal, in hh.mm format, after 
which the card becomes in service (IS) automatically
• 0 to 48 hours, 15-minute increments 
Table 11-20 32WSS Optical Channel Parameter Settings (continued)
Parameter Description Options