Field Notice: FN - 70589 - DC Power Supply Units on NCS 4000 Series Fabric Card Chassis Have Limited FPD Upgrade Support on Cisco IOS XR 6.5.26 - Software Upgrade Recommended

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Updated:September 2, 2020
Document ID:FN70589

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Notice

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.

Revision History

Revision Publish Date Comments
1.0
26-Aug-20
Initial Release

Products Affected

Affected Product ID Comments
NCS4KF-SA-DC
NCS4KF-SA-DC=
NCS4K-DC-PSU-V1=
NCS4K-DC-PSU-V1

Defect Information

Defect ID Headline
CSCvu93461 Umbrella DDTS for NCS4K FCC Acbel DC PSU support

Problem Description

DC Power Supply Units (PSUs) used on Network Convergence System (NCS) 4000 Series Fabric Card Chassis (FCC), that run on Cisco IOS® XR Software Release 6.5.26, will be detected and will have no functional anomalies. However, Field Programmable Device  (FPD) related aspects will not function.

Background

The FPDs of an affected DC PSU have an incorrect hardware version calculation.

Problem Symptom

The output of the show hw-module fpd command will display "NOT READY" for the PSU's FPDs.

Workaround/Solution

Check the serial number of the DC PSU as described in the How To Identify Affected Products section. If the serial number of the DC PSU starts with ATT, Cisco recommends to install the provided Software Maintenance Upgrade (SMU).

Note: The SMU is only for a DC PSU with a serial number that starts with ATT, is installed in the NCS 4000 FCC, and runs Cisco IOS XR Software Release 6.5.26.

Cisco IOS XR Software Release SMU Name SMU Description SMU Link
6.5.26 ncs4k-sysadmin-6.5.26.CSCvu93461.tar ISSU/Restart/Recommended SMU, Umbrella DDTS for NCS4K FCC Acbel DC PSU support Release 6.5.26

How To Identify Affected Products

The DC PSU can be identified by either of these two methods:

  • View the serial number (S/N) on the PSU product label. An affected PSU serial number starts with ATT, as shown in this image.

  • Enter the show inventory | i ATT command and view the output. 
    sysadmin-vm:0_RP1# show inventory | i ATT

Thu Aug 20 08:29:27.760 UTC

PID: NCS4K-DC-PSU-V1 VID: V01 SN: ATT2110001J

PID: NCS4K-DC-PSU-V1 VID: V01 SN: ATT2110001P

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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