Field Service Bulletin

cnPulse and PMP450m Sync Issue

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Document Number:

FSB9075

Revision:

001v000

Application:

Global

Effective Date:

February 13, 2019

Expiry Date:

N/A

Bulletin Type:

Warranty Service

Informational

Customer Specific

Severity Recommendation:

High – Perform immediately

Medium – Perform at next scheduled maintenance

Low – Perform when system exhibits symptoms

Subject:

cnPulse and PMP450m Sync Issue

Model / System Affected:

cnPulse (C000000L066A) and PMP 450m

Reason for Bulletin:

A GPS sync issue has been identified for customers who have received the new cnPulse GPS Sync devices when attempting to install with PMP 450m in CambiumSYNC mode. In most cases it takes a long time for the PMP 450m to lock onto the sync signal from the cnPulse device. cnPulse and PMP 450m are compatible when utilizing the AUX port or alternately utilizing a CMM5 device.

NOTE: This notice serves to inform customers that GPS synchronization will be affected if they install PMP 450m with cnPulse in CambiumSYNC mode.
NOTE: Cambium Networks previous GPS sync device (1096K uGPS) is not affected by this issue.

Resolution:

Cambium Networks has identified and isolated the issue within the cnPulse device and will make a revision to the product later this year. This revised unit will be reflected by a new revision and hardware model for the cnPulse. In the interim, GPS sync works via the auxiliary port on the cnPulse product. Customers are encouraged to only utilize cnPulse if they can install their PMP 450m using the auxiliary port or the CMM5.

It is highly recommended for all customers to install PMP 450m on cnPulse utilizing the auxiliary port.

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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