Cisco ONS 15500 Series

Field Notice: 15540-MMMB-xxxx and 15530-OSCM Require Update to Functional Image

June 15, 2004

Products Affected


Part Number





800-17192-03 and later are not affected by this issue.




800-18487-03 and later are not affected by this issue




800-20173-03 and later are not affected by this issue




800-20174-03 and later are not affected by this issue






800-18303-05 and later are not affected by this issue

Problem Description

If a an OSC (Optical Service Channel) interface is configured for LSC (Laser Safety Control) while the trunk is down, the OSC will not come into service.


This issue was discovered at a customer site and has been corrected in an update to the Functional Image.

Problem Symptoms

If a an OSC interface is configured for LSC while the OSC link is down, the OSC will not come into service.

This issue does not occur if LSC is configured while the OSC link is Up.


This issue has been resolved through an update to the Functional Image of the 15540-MMMB-xxxx and 15530-OSC. Customers can download the appropriate Functional Images Version from the Software Center on .

To update a line card functional image from a Flash memory device to a hardware controller, use the following command in privileged EXEC mode from a console session:

reprogram device:filename slot subslot

The updated Functional Images can be downloaded from the Software Center on from the ONS 15540 FPGA Software link.

The download process must be performed via local console access or local console access through a terminal server. The download process impacts traffic through the line card, so make certain to schedule a maintenance window to avoid unnecessary interruptions to customer traffic. Do not interrupt the download process. Wait for the process to complete before attempting any commands on the switch.

For additional information on Updating Line Card functional images consult "Managing Your Cisco 155xx System" located in the product Configuration Guide and Command Reference.


To follow the bug ID link below and see detailed bug information, you must be a registered user and you must be logged in.



CSCeb18103 (registered customers only)

OSC wave interface does not come up after trunk break with LSC configured.

How To Identify Hardware Levels

To determine the Version of the Functional Image of the Mux/DeMux Motherboard, use the following commands in privileged EXEC mode:

show hardware detail 


show hardware linecard slot#

The following is an example of the output of the module in slot 1 using the show hardware linecard slot#

15540# show hardware linecard 1 

lot Number : 1/* 
Controller Type : 0x101A 
On-Board Description : MUX/DEMUX_CNTOWER 
Orderable Product Number: 15540-MMMB-1100 
Board Part Number : 73-7793-02 
Board Revision : 02 
Serial Number : CAB06180CST 
Manufacturing Date : 05/20/2002 
Hardware Version : 1.0 
RMA Number : 0 
RMA Failure Code : 0 
Functional Image Version: 2.65 
Function-ID : 0 

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

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