ETSI EN 300 462-5-1
ETSI EN 300 462-5-1
Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 5-1: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment Edition: 1.1.2European Telecommunications Standards Institute / 01-May-1998 / 27 pages