# \#field-service-bulletin **URL:** https://community.cambiumnetworks.com/tag/field-service-bulletin/7.md [Latest](https://community.cambiumnetworks.com/latest.md) · [Categories](https://community.cambiumnetworks.com/categories.md) · [Tags](https://community.cambiumnetworks.com/tags.md) --- ## [FSB9098: ePMP Force 4600C (C068940C122C) may not be provisioned with an AFC Token or/and correctly locked to the US/Canada country code](https://community.cambiumnetworks.com/t/fsb9098-epmp-force-4600c-c068940c122c-may-not-be-provisioned-with-an-afc-token-or-and-correctly-locked-to-the-us-canada-country-code/108621)
**Author:** [@Fedor](https://community.cambiumnetworks.com/u/Fedor)\ **Replies:** 0\ **Last updated:** [July 15, 2026, 11:17pm UTC](https://community.cambiumnetworks.com/t/fsb9098-epmp-force-4600c-c068940c122c-may-not-be-provisioned-with-an-afc-token-or-and-correctly-locked-to-the-us-canada-country-code/108621 "2026-07-15T23:17:04Z")
Cambium has identified a factory programming error affecting certain ePMP Force 4600C units. These devices may be shipped without an AFC token provisioned and/or without the correct US/Canada country code applied. Conseq… --- ## [Subscribe to Cambium Networks Field Service Bulletins!](https://community.cambiumnetworks.com/t/subscribe-to-cambium-networks-field-service-bulletins/103748)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [January 24, 2025, 3:56pm UTC](https://community.cambiumnetworks.com/t/subscribe-to-cambium-networks-field-service-bulletins/103748 "2025-01-24T15:56:19Z")
You can now subscribe to Cambium Networks Field Service Bulletin (FSB) portal to receive updates when new FSBs are published and existing FSBs are updated. FSB notification is vital to our customer base in being knowle… --- ## [Incorrect antenna shipped with some PTP 8xx orders](https://community.cambiumnetworks.com/t/incorrect-antenna-shipped-with-some-ptp-8xx-orders/102182)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [October 30, 2024, 2:33pm UTC](https://community.cambiumnetworks.com/t/incorrect-antenna-shipped-with-some-ptp-8xx-orders/102182 "2024-10-30T14:33:02Z")
Customers who purchased a PTP 820 10-11 GHz, 2’ antenna (part number N110082D072A) to be used for a single polarity deployment may have received a dual polarity antenna. Affected shipments were during the 2024 calendar y… --- ## [Wi-Fi 5 and Wi-Fi 6/6E Access Points incorrectly programmed in the factory with a static IP address of 192.168.0.1 rather than default DHCP mode](https://community.cambiumnetworks.com/t/wi-fi-5-and-wi-fi-6-6e-access-points-incorrectly-programmed-in-the-factory-with-a-static-ip-address-of-192-168-0-1-rather-than-default-dhcp-mode/99509)
**Author:** [@KumarK](https://community.cambiumnetworks.com/u/KumarK)\ **Replies:** 0\ **Last updated:** [May 22, 2024, 10:12pm UTC](https://community.cambiumnetworks.com/t/wi-fi-5-and-wi-fi-6-6e-access-points-incorrectly-programmed-in-the-factory-with-a-static-ip-address-of-192-168-0-1-rather-than-default-dhcp-mode/99509 "2024-05-22T22:12:55Z")
There was a factory programming issue that caused several Enterprise Wi-Fi APs to be programmed with static IP address. This may prevent these APs from onboarding to cnMaestro. Details here: fsb9092 --- ## [FSB-9093: Upgrade Enterprise Wi-Fi 6/6E (XV/XE Series) Access Points to release 6.6.0.3-r9](https://community.cambiumnetworks.com/t/fsb-9093-upgrade-enterprise-wi-fi-6-6e-xv-xe-series-access-points-to-release-6-6-0-3-r9/99334)
**Author:** [@KumarK](https://community.cambiumnetworks.com/u/KumarK)\ **Replies:** 0\ **Last updated:** [May 14, 2024, 8:45pm UTC](https://community.cambiumnetworks.com/t/fsb-9093-upgrade-enterprise-wi-fi-6-6e-xv-xe-series-access-points-to-release-6-6-0-3-r9/99334 "2024-05-14T20:45:36Z")
An issue was identified in the way the firmware writes certain states in the NOR flash memory, which could potentially cause unexpected behavior of the flash. In rare cases, this may lead to flash corruption and potentia… --- ## [FSB-9093: Update cnPilot APs running on 6.5.2 or later versions to 4.2.3.1-r9](https://community.cambiumnetworks.com/t/fsb-9093-update-cnpilot-aps-running-on-6-5-2-or-later-versions-to-4-2-3-1-r9/99335)
**Author:** [@KumarK](https://community.cambiumnetworks.com/u/KumarK)\ **Replies:** 0\ **Last updated:** [May 14, 2024, 8:50pm UTC](https://community.cambiumnetworks.com/t/fsb-9093-update-cnpilot-aps-running-on-6-5-2-or-later-versions-to-4-2-3-1-r9/99335 "2024-05-14T20:50:48Z")
cnPilot APs are not officially supported on 6.x firmware releases. However we have found that some customers are using 6.x firmware on these models. Versions above 6.5.2 are impacted by the issue reported by this FSB and… --- ## [Important Update: Action Required for cnMaestro Certificate Upgrade](https://community.cambiumnetworks.com/t/important-update-action-required-for-cnmaestro-certificate-upgrade/98856)
**Author:** [@Rob](https://community.cambiumnetworks.com/u/Rob)\ **Replies:** 0\ **Last updated:** [April 16, 2024, 10:55pm UTC](https://community.cambiumnetworks.com/t/important-update-action-required-for-cnmaestro-certificate-upgrade/98856 "2024-04-16T22:55:07Z")
Dear cnMaestro Users, We would like to inform you the cnMaestro Certificate update planned for April 16 has been postponed by three weeks. The details are available in FSB9083: Update cnMaestro Cloud Managed Device Soft… --- ## [Update cnMaestro Cloud Managed Devices or Risk Disconnection - Deadline April 15, 2024](https://community.cambiumnetworks.com/t/update-cnmaestro-cloud-managed-devices-or-risk-disconnection-deadline-april-15-2024/98033)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 8\ **Last updated:** [March 6, 2024, 4:29pm UTC](https://community.cambiumnetworks.com/t/update-cnmaestro-cloud-managed-devices-or-risk-disconnection-deadline-april-15-2024/98033 "2024-03-06T16:29:59Z")
URGENT MESSAGE: Customers must update their device firmware to at least the version listed in FSB9083 by April 15, 2024 to guarantee uninterrupted connectivity to cnMaestro Cloud. Devices not updated by April 15, 2024 w… --- ## [IMPORTANT - Upgrade OLT/ONTs to release 1.1.0](https://community.cambiumnetworks.com/t/important-upgrade-olt-onts-to-release-1-1-0/97567)
**Author:** [@Sakid\_Ahmed](https://community.cambiumnetworks.com/u/Sakid_Ahmed)\ **Replies:** 1\ **Last updated:** [February 2, 2024, 4:00pm UTC](https://community.cambiumnetworks.com/t/important-upgrade-olt-onts-to-release-1-1-0/97567 "2024-02-02T16:00:36Z")
Cambium Fiber release 1.1.0 is now available for download from our support site. It is IMPORTANT that all OLTs/ONTs are upgraded to the latest software before any testing and most importantly deployment. https://support… --- ## [cnHeat 1.0 (EOL) - Replaced with cnHeat 2.0](https://community.cambiumnetworks.com/t/cnheat-1-0-eol-replaced-with-cnheat-2-0/93851)
**Author:** [@Seth\_Poche](https://community.cambiumnetworks.com/u/Seth_Poche)\ **Replies:** 0\ **Last updated:** [July 3, 2023, 2:49pm UTC](https://community.cambiumnetworks.com/t/cnheat-1-0-eol-replaced-with-cnheat-2-0/93851 "2023-07-03T14:49:16Z")
We have now turned off access for cnHeat 1.0. For any users that tried to login to cnHeat in the last number of weeks they would have seen a pop-up indicating this coming change. If you were unable to reach out to have … --- ## [Field Service Bulletin - PTP 850C radios may fail after software upgrade or downgrade](https://community.cambiumnetworks.com/t/field-service-bulletin-ptp-850c-radios-may-fail-after-software-upgrade-or-downgrade/92896)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [May 15, 2023, 2:14pm UTC](https://community.cambiumnetworks.com/t/field-service-bulletin-ptp-850c-radios-may-fail-after-software-upgrade-or-downgrade/92896 "2023-05-15T14:14:57Z")
Please take note of a new Field Service Bulletin (FSB) that has been issued regarding the PTP 850C product. If there are any questions regarding this, please open a ticket with Cambium Technical Support and we can answe… --- ## [Field Service Bulletin - cnMatrix TX switches susceptible to unexpected behavior when devices that require low voltage passive PoE are connected](https://community.cambiumnetworks.com/t/field-service-bulletin-cnmatrix-tx-switches-susceptible-to-unexpected-behavior-when-devices-that-require-low-voltage-passive-poe-are-connected/90874)
**Author:** [@swren-cambium](https://community.cambiumnetworks.com/u/swren-cambium)\ **Replies:** 2\ **Last updated:** [February 3, 2023, 1:39pm UTC](https://community.cambiumnetworks.com/t/field-service-bulletin-cnmatrix-tx-switches-susceptible-to-unexpected-behavior-when-devices-that-require-low-voltage-passive-poe-are-connected/90874 "2023-02-03T13:39:55Z")
cnMatrix TX switches susceptible to unexpected behavior when devices that require low voltage passive PoE are connected. Based on our testing, the current list of affected devices are below. We will continue to update… --- ## [Field Service Bulletin - No GPS data when using cnPulse with cnMatrix TX Switches](https://community.cambiumnetworks.com/t/field-service-bulletin-no-gps-data-when-using-cnpulse-with-cnmatrix-tx-switches/84698)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [March 15, 2022, 4:12pm UTC](https://community.cambiumnetworks.com/t/field-service-bulletin-no-gps-data-when-using-cnpulse-with-cnmatrix-tx-switches/84698 "2022-03-15T16:12:30Z")
The use of cnPulse GPS for synchronization input does not work properly with certain manufactured builds of the cnMatrix TX2020R-P and TX2012R-P switch. The issue is only with the reading/displaying of the GPS data from … --- ## [Device Updates Required by January 31, 2022 to onboard devices to cnMaestro](https://community.cambiumnetworks.com/t/device-updates-required-by-january-31-2022-to-onboard-devices-to-cnmaestro/78824)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [May 28, 2021, 3:27pm UTC](https://community.cambiumnetworks.com/t/device-updates-required-by-january-31-2022-to-onboard-devices-to-cnmaestro/78824 "2021-05-28T15:27:16Z")
Notice - New Date for Required Device Updates. Prior deadline was June 30, 2021. On February 1, 2022 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMa… --- ## [3 GHz PMP450m - No power from AUX Port](https://community.cambiumnetworks.com/t/3-ghz-pmp450m-no-power-from-aux-port/78459)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 2\ **Last updated:** [May 19, 2021, 5:07am UTC](https://community.cambiumnetworks.com/t/3-ghz-pmp450m-no-power-from-aux-port/78459 "2021-05-19T05:07:29Z")
Cambium has identified an issue with 3GHz PMP450m units where there is no power available on the AUX port. This affects customers who have the intention of powering sync sources such as the cnPulse. For identification… --- ## [ePMP – GPS Notice](https://community.cambiumnetworks.com/t/epmp-gps-notice/77857)
**Author:** [@Fedor](https://community.cambiumnetworks.com/u/Fedor)\ **Replies:** 9\ **Last updated:** [April 24, 2021, 5:54am UTC](https://community.cambiumnetworks.com/t/epmp-gps-notice/77857 "2021-04-24T05:54:30Z")
Problem Description ePMP Access Point loosing GPS synchronization or GPS satellites. Products affected ePMP1000 ePMP2000 ePMP3000 ePMP3000L Background GPS synchronization is one of the most effective ways to limi… --- ## [NOTICE - Need for ePMP Upgrade](https://community.cambiumnetworks.com/t/notice-need-for-epmp-upgrade/74457)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 7\ **Last updated:** [December 31, 2020, 8:20pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-epmp-upgrade/74457 "2020-12-31T20:20:23Z")
On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to … --- ## [NOTICE - Need for PTP Upgrades](https://community.cambiumnetworks.com/t/notice-need-for-ptp-upgrades/74459)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [November 30, 2020, 2:46pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-ptp-upgrades/74459 "2020-11-30T14:46:33Z")
On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to … --- ## [NOTICE - Need for PMP Upgrades](https://community.cambiumnetworks.com/t/notice-need-for-pmp-upgrades/74458)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [November 30, 2020, 2:45pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-pmp-upgrades/74458 "2020-11-30T14:45:39Z")
On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to … --- ## [NOTICE - Need for WiFi 6 Upgrade](https://community.cambiumnetworks.com/t/notice-need-for-wifi-6-upgrade/74456)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [November 30, 2020, 2:43pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-wifi-6-upgrade/74456 "2020-11-30T14:43:57Z")
On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to … --- ## [NOTICE - Need for cnRanger Upgrade](https://community.cambiumnetworks.com/t/notice-need-for-cnranger-upgrade/74455)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [November 30, 2020, 2:42pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-cnranger-upgrade/74455 "2020-11-30T14:42:38Z")
On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to … --- ## [Notice - Need for cnPilot Upgrades!](https://community.cambiumnetworks.com/t/notice-need-for-cnpilot-upgrades/74454)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [November 30, 2020, 2:38pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-cnpilot-upgrades/74454 "2020-11-30T14:38:09Z")
On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to … --- ## [NOTICE - Need for cnMatrix Upgrade](https://community.cambiumnetworks.com/t/notice-need-for-cnmatrix-upgrade/74453)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [November 30, 2020, 2:32pm UTC](https://community.cambiumnetworks.com/t/notice-need-for-cnmatrix-upgrade/74453 "2020-11-30T14:32:28Z")
On July 1, 2021 Cambium will update the certificate for cloud.cambiumnetworks.com to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to the cnMa… --- ## [cnPulse Issue when used with PMP450m - Field Service Bulletin](https://community.cambiumnetworks.com/t/cnpulse-issue-when-used-with-pmp450m-field-service-bulletin/60285)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 1\ **Last updated:** [November 2, 2020, 9:03pm UTC](https://community.cambiumnetworks.com/t/cnpulse-issue-when-used-with-pmp450m-field-service-bulletin/60285 "2020-11-02T21:03:31Z")
Take note of the FSB below if you are attempting to use cnPulse with your Medusa! --- ## [Difficulty establishing AP to SAS CBRS communication through a cnMaestro proxy using PMP450 release 16.2.2](https://community.cambiumnetworks.com/t/difficulty-establishing-ap-to-sas-cbrs-communication-through-a-cnmaestro-proxy-using-pmp450-release-16-2-2/72977)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [September 29, 2020, 8:27pm UTC](https://community.cambiumnetworks.com/t/difficulty-establishing-ap-to-sas-cbrs-communication-through-a-cnmaestro-proxy-using-pmp450-release-16-2-2/72977 "2020-09-29T20:27:22Z")
A critical issue has been observed in Release 16.2.2 with CBRS, where customers using cnMaestro On-Premises as an HTTP proxy frequently have difficulty in properly establishing the connection between the AP and cnMaes… --- ## [Difficulty establishing AP to SAS CBRS communication through a cnMaestro proxy using PMP450 16.2.2](https://community.cambiumnetworks.com/t/difficulty-establishing-ap-to-sas-cbrs-communication-through-a-cnmaestro-proxy-using-pmp450-16-2-2/72975)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [September 29, 2020, 8:24pm UTC](https://community.cambiumnetworks.com/t/difficulty-establishing-ap-to-sas-cbrs-communication-through-a-cnmaestro-proxy-using-pmp450-16-2-2/72975 "2020-09-29T20:24:46Z")
A critical issue has been observed in Release 16.2.2 with CBRS, where customers using cnMaestro On-Premises as an HTTP proxy frequently have difficulty in properly establishing the connection between the AP and cnMaes… --- ## [cnPilot e410 - Potential Flash Memory Corruption - Upgrade recommended](https://community.cambiumnetworks.com/t/cnpilot-e410-potential-flash-memory-corruption-upgrade-recommended/65934)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [March 25, 2020, 8:55pm UTC](https://community.cambiumnetworks.com/t/cnpilot-e410-potential-flash-memory-corruption-upgrade-recommended/65934 "2020-03-25T20:55:20Z")
All, Please be advised that there is potential that e410 APs can experience flash memory corruption and become unusable. Please read and follow instructions in the attached FSB to avoid this issue. Chuck Hemesath Dir… --- ## [GPS Sync Loss](https://community.cambiumnetworks.com/t/gps-sync-loss/64828)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 8\ **Last updated:** [January 7, 2020, 3:41pm UTC](https://community.cambiumnetworks.com/t/gps-sync-loss/64828 "2020-01-07T15:41:27Z")
All, While the investigation into the root cause continues with the GPS chipmaker and others, the symptoms and recovery recommendations are contained in the Field Service Bulletin below. While we believe that this was… --- ## [GPS Sync Loss](https://community.cambiumnetworks.com/t/gps-sync-loss/64827)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 0\ **Last updated:** [January 3, 2020, 5:16pm UTC](https://community.cambiumnetworks.com/t/gps-sync-loss/64827 "2020-01-03T17:16:05Z")
All, While investigation into the root cause continues with the GPS chipmaker and others, the symptoms and recovery recommendations are contained in the Field Service Bulletin below. While we believe that this was a o… --- ## [cnPilot R-Series Firmware Upgrade to 4.5-R7 Requires 2 step upgrade.](https://community.cambiumnetworks.com/t/cnpilot-r-series-firmware-upgrade-to-4-5-r7-requires-2-step-upgrade/62302)
**Author:** [@CambiumChuck](https://community.cambiumnetworks.com/u/CambiumChuck)\ **Replies:** 13\ **Last updated:** [January 3, 2020, 6:50am UTC](https://community.cambiumnetworks.com/t/cnpilot-r-series-firmware-upgrade-to-4-5-r7-requires-2-step-upgrade/62302 "2020-01-03T06:50:36Z")
If upgrading your R-Series devices from firmware older than 4.3 to Release 4.5-R7, you must upgrade to 4.4.2-R2 before upgrading to 4.5-R7 to prevent losing connectivity to the device. See attached Field Service Bulleti… [Next page](https://community.cambiumnetworks.com/tag/field-service-bulletin/7.md?match_all_tags=true&page=1&tags%5B%5D=field-service-bulletin)