ANSI/SCTE 25-3 2011

The Hybrid Fiber Coax (HFC) Outside Plant (OSP) Power Supply to Transponder Interface Bus(PSTIB) Specification is part of the suite of specifications developed by the Hybrid ManagementSub-Layer (HMS) subcommittee under the SCTE. The purpose of the HMS specifications is tosupport the design and implementation of interoperable management systems for evolving HFCcable networks. The HMS Power Supply to Transponder Interface Bus (PSTIB) Specificationdescribes the physical (PHY) interface and related messaging and protocols implemented at theData Link Layer (DLL), Layers 1 and 2 respectively in the 7-layer ISO-OSI reference model,that support communications between HMS-compliant transponders and the managed OSPpower supplies and other related power equipment to which they interface.

This product replaces:ANSI/SCTE 25-3 2005 - Hybrid Fiber Coax Outside Plant Status Monitoring - Power Supply to Transponder Interface Bus (PSTIB) Specification v1.1