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STCLive Probe: How to recover from "No Sensor Data" error when run REPT-DIAG command and/or the Serial Number of chassis does not appear in output of the RTRV-VRSN-EQPT command or get no response to TL1 commands on STCLive 7502 or 7506 probe.

Environment/Versions
STCLive / Lumos Probe 7502, 7506, 7521, 7531 - all versions
Answer

Example of errors.

REPT-DIAG:::CTAG command:

  STCLIVE_7502 13-02-19 16:56:03

M  CTAG COMPLD
   SELF TEST OUTPUT:
   FAIL
   MAIN CARD
      FAIL - NO SENSOR DATA
      PORT-1: ACTIVE, 10000/FULL, LOS
      PORT-2: ACTIVE, 10000/FULL, LOS
   HARD DRIVE
      PASS

RTRV-VRSN-EQPT:::CTAG command (the serial number should appear in the yellow area but is missing).

   STCLIVE_7502 13-02-19 17:07:20
M  MD COMPLD
   "APPL-VRSN=RA03.31.02    OS-VRSN=Linux 2.6.27.7-Cavium-Octeon-vt10sp"
   /*COMPONENT       CUSTOMER P/N   SPIRENT P/N     OTHER            S/N             */
   "CHASSIS          6941C-7506     85-003136       A1                             "
   "10GBE MODULE     6941C-7521     85-003110       T5516BB          11R11430238   "
   "HARD DISK        6941C-7511     85-003114       n/a                            "
   "TRANSCEIVER 1    n/a            n/a             FTLX8571D3BCL    AM501C1       "
   "TRANSCEIVER 2    n/a            n/a             FTLX8571D3BCL    AM50165       "

Steps to resolve:

1) Check the LED on the unit.  Make note of any blue or red LEDs.

2) Power down the chassis using the power switch on the rear of the unit.

3) Reseat all modules.

4) Restore Power to the unit using the power switch on the rear of the unit.

5) If problem  has not cleared contact Spirent Support for additional assistance.

Cause:

This is a problem with older versions of MCH chassis software.    Upgrade the chassis software to the latest revision to prevent issue from happening in the future.

Product : VW Controller T&D Classic,VisionWorks Probe