Field Service Bulletin
cnWave 60 GHz V5000 units require a software update to allow onboarding in cnMaestro due to incorrect serial numbers programmed at the factory.
Download PDF VersionDocument Number:
FSB9097
Revision:
001v000
Application:
Global
Effective Date:
July 31, 2025
Expiry Date:
Bulletin Type:
Severity Recommendation:
cnWave 60 GHz V5000 units require a software update to allow onboarding in cnMaestro due to incorrect serial numbers programmed at the factory.
cnWave 60 GHz V5000 (Part Number C600500A004B)
Cambium has identified a factory programming error where the serial number (MSN) on certain V5000 units does not match the expected value. This issue may prevent affected units from being onboarded to cnMaestro.
When attempting to onboard an affected V5000 unit to cnMaestro, the onboarding will fail. You may see one of the following errors:
- “Invalid serial number”
- “Serial number already claimed”
All affected units have been identified. Please refer to the PDF for a list of affected devices. A software fix has been released to correct the issue.
To correct the serial number (MSN) on your unit, upgrade the software to version 1.5.2 or later available at: https://support.cambiumnetworks.com/files/60ghz-cnwave/
This upgrade will:
- Automatically detect the affected units
- Correct the MSN internally
- Ensure the serial number matches the one printed on the product label and box
This is a one-time fix and does not need to be repeated.
If you would like help identifying whether your units are affected or require assistance, please open a support ticket and reference this bulletin (FSB9097). Include a list of MSNs (Serial Numbers) from your V5000 product labels. Cambium Support will confirm if any of your devices are impacted.
If you have questions or concerns, please contact Cambium Technical Support at the following: https://www.cambiumnetworks.com/support/contact-support/
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