This amendment provides several enhancements to the CORBA interface specification for the management interface between a Supplier Management System and an Operator Management System managing Broadband Passive Optical Networks (BPONs). In includes changes needed for management of dynamic bandwidth allocation and automatic ranging of Optical Network Units (ONUs) and Optical Network Terminals (ONTs). It also includes additions required to adequately support testing of telephony and data services, software activity notification, and capacity management.