TP-Link_OLT_snmpMibs_1.2.1_Build_20260828_Rel.12844 is a SNMP MIBs package published with device firmware DS-MCUA_1.2.1_Build_20260828_Rel.12844_up.bin. Please use this MIBs package on OLTs with firmware version 1.2.1_Build_20260828_Rel.12844 or later, otherwise the SNMP function of the OLT may not work properly.

If you are using a firmware published earlier than the version above, please upgrade the firmware, or contact our Field Application Engineer and ask for a corresponding SNMP MIBs package.
