ACX710 does not recognize GPON OLT 740-124448 reports NON-JNPR after ACX reboot.

In this scenario customer has ACX710 running 21.4R3.15 with several GPON OLT SFP+-10G-PON-OLT-20KM.
After ACX710 reboot some of the OLTs report error NON-JNPR UNSUPPORTED.

The OLT can be recovered with physical re-seat of the OLT.

Customer has stated that this type of problem has been seen before, sometimes OLT reseat or another reboot of ACX710.
Customer's primary concern is that some clients will remain down after ACX710 reboot and require manual intervention to recover.


ACX710> show chassis hardware
Hardware inventory:
Item             Version  Part number  Serial number     Description
Chassis                                55555        ACX710
Midplane         REV 13   650-103474   55555        ACX710DC
Pseudo CB 0
Routing Engine 0          BUILTIN      BUILTIN           RE-ACX710
FPC 0                     BUILTIN      BUILTIN           FPC-BUILTIN
  CPU                     BUILTIN      BUILTIN           FPC CPU
  MIC 0                   BUILTIN      BUILTIN           ACX710 24x1GE/24x10GE SFP MIC
    PIC 0                 BUILTIN      BUILTIN           ACX710 24x1GE/24x10GE SFP MIC
      Xcvr 1     REV 01   740-124448   OLT-E8B470705C52  SFP+-10G-PON-OLT-20KM
      Xcvr 3     REV 01   740-124448   OLT-E8B47070583E  SFP+-10G-PON-OLT-20KM
      Xcvr 5              NON-JNPR                       UNSUPPORTED
      Xcvr 7     REV 01   740-124448   OLT-E8B470705842  SFP+-10G-PON-OLT-20KM
      Xcvr 9              NON-JNPR                       UNSUPPORTED
      Xcvr 11    REV 01   740-124448   OLT-E8B470705C34  SFP+-10G-PON-OLT-20KM
      Xcvr 13    REV 01   740-124448   OLT-E8B470705C32  SFP+-10G-PON-OLT-20KM
      Xcvr 14    REV 02   740-013111   N93BZWF           SFP-T
      Xcvr 15    REV 01   740-124448   OLT-E8B470705840  SFP+-10G-PON-OLT-20KM
      Xcvr 16    REV 02   740-013111   N93BZWJ           SFP-T
      Xcvr 17    REV 01   740-124448   OLT-E8B470705C36  SFP+-10G-PON-OLT-20KM
      Xcvr 18    REV 02   740-013111   N93BZ1Y           SFP-T
      Xcvr 19    REV 01   740-124448   OLT-E8B470705C30  SFP+-10G-PON-OLT-20KM
      Xcvr 21    REV 01   740-124448   OLT-E8B470705744  SFP+-10G-PON-OLT-20KM
      Xcvr 23             NON-JNPR                       UNSUPPORTED
  MIC 1                   BUILTIN      BUILTIN           ACX710 16x10/25GE 4x40/100GE SFP MIC
    PIC 1                 BUILTIN      BUILTIN           ACX710 16x10/25GE 4x40/100GE SFP MIC
      Xcvr 0     REV 01   740-061000   WTZ11O10020-B     QSFP28-100G-CU1M
Power Supply 0   REV 1                 TU8XDE2606R       Assy,Pwr Sply,DC Feed A, Airflow out
Fan Tray 0       REV 1                 CE5100S5LMB       Fan Module, Airflow Out (AFO)

OLTs stop working after ACX710 power cycle.

Requires a physical on-site visit to restore services.

The SFP OLT needs to be re-seated to fully recover.