GB/T 15409-1994
Frame structure for synchronous digital hierarchy signal
2009-05
- Standard No.
- GB/T 15409-1994
- Language
- Chinese
- Release Date
- 1994
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 15409-2008
- Lastest
- GB/T 15409-2008
- Scope
- This standard specifies the frame structure of Synchronous Digital Hierarchy (SDH) signals at the Network Node Interface (NNI). This standard applies to SDH public telecommunication networks and private networks, including optical cable digital line systems, digital wireless systems, and digital cross-connection equipment with SDH optical (or electrical) interfaces.
GB/T 15409-1994 history
- 2008 GB/T 15409-2008 Frame structure for synchronous digital hierarchy signal
- 1994 GB/T 15409-1994 Frame structure for synchronous digital hierarchy signal