This specification applies to newly built digital synchronization network projects. The project acceptance of the synchronization function part of the internal clock of the expanded or reconstructed digital synchronization network and other communication equipment within the scope of the digital synchronization network can be performed with reference to this specification.
YD/T 5090-2005 history
2005YD/T 5090-2005 Acceptance Specification of Equipment Installation for Digital synchronization Network
2000YD/T 5090-2000 Acceptance Standards of Synchronization Equipment Installation Project for Digital Synchronization Network