365-575-102 TroubleClearing:
Issue 8.0, July 2002 Page 1 of 2
TAP-125
Clear ‘SYSMEM Unrecognizable Code’
Overview: The software code stored in the nonvolatile memory of the SYSMEM
circuit pack is corrupted or its version is not recognized by the SYSCTL circuit pack.
The recommended way to clear this condition is to download new software code from
the CIT to the SYSMEM circuit pack. Another way to clear this condition is to install a
replacement SYSMEM circuit pack loaded with the correct code.
1. At the CIT, select CONFIGURATION-Retrieve-Equipment and sysctl to
obtain an Equipage and Version Report.
2. Refer to the report and record the software release information from the line
immediately under the sysctl entry. For example, FT-2000 RELEASE 2.1.0.
This software release is now running in the SYSCTL circuit pack.
3. Do you want to download new software or replace the SYSMEM circuit pack?
To download new software,gotoOPERATION: NTP-002.
To replace the SYSMEM circuit pack, continue with Step 4.
4. Remove the shelf cover from the Low Speed Shelf - System Controller or from
the FT-2000 repeater bay/shelf.
5. Is the FAULT LED flashing at the SYSMEM circuit pack?
If YES, then continue with Step 6.
If NO, then go to TAP-108.
6. Obtain a replacement SYSMEM circuit pack containing an exact copy of the
software identified in Step 2.
7. Remove the SYSMEM circuit pack and install the replacement SYSMEM cir-
cuit pack.
Reference: DLP-514
8. Wait several minutes for the FT-2000 to stabilize (indicated by the FAULT LED
on the SYSMEM circuit pack being continuously lighted, flashing, then off.)
9.IstheFAULT LED continuously lighted on the SYSMEM circuit pack?
If YES, then continue with Step 10.
If NO, then continue with Step 12.
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