sfcsBwPortPoolLimitsUBRConnLimitRev 1.3.6.1.4.1.52.4.1.2.11.1.1.12.3.1.1.16

A Limit to the number of UBR connections which can be established through this port. The limit applies to both user connections and management connections. The default is no limit. (If it has never been set, the value will be -1.)