Приложение. Рекомендации ITU-T и ETSI по стандартам первичной сети

1.Recommendation G.701. Vocabulary of digital transmission and multiplexing, and pulse code modulation (PCM) terms. ITU-T.

2.Recommendation G.702. (11/88) Digital hierarchy bit rates. Blue Book. ITU-T.

3.Recommendation G.703. Phisical/Electrical Characteristics of Hierarchical Digital Interfaces. ITU-T.

4.Recommendation G.704. Synchronous frame structures used at 1544, 6312, 2048, 8488 and 44736 kbit/s. ITU-T.

5.Recommendation G.706. Frame alignment and cyclic redundancy check (CRC) procedures relating to basic frame structures defined in Recommendation G.704. ITU-T.

6.Recommendation G.707. Network node interface for the synchronous digital hierarchy. ITU-T.

7.Recommendation G.711. Pulse code modulation (PCM) of voice frequencies. ITU-T.

8.Recommendation G.732. Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s. ITU-T.

9.Recommendation G.742. Second order digital multiplex equipment operating at 8448 kbit/s and using positive justification. ITU-T.

10.Recommendation G.751. Digital multiplex equipments operating at the third order bit rate

of 34368 kbit/s and the fourth order bit rate of 139264 kbit/s and using positive justification. ITU-T.

11.Recommendation G.772. Protected monitoring points provided on digital transmission systems. ITU-T.

12.Recommendation G.775. Loss of signal (LOS) and alarm indication signal (AIS) defect detection and clerance criteria. ITU-T.

13.Recommendation G.783. Characteristics of SDH equipment functional blocks. ITU-T.

14.Recommendation G.784. SDH management. ITU-T.

15.Recommendation G.803. Architectures of transport networks based on the SDH. ITU-T.

16.Recommendation G.804. ATM cell mapping into plesiochronous digital hierarchy (PDH). ITU-T.

17.Recommendation G.810. Considerations on timing and synchronization issues. ITU-T.

18. Recommendation G.811. Timing requirements at the outputs of primary reference clocks suitable for plesichronous operation of international digital links. ITU-T.

19.Recommendation G.812. Timing requirements at the outputs of slave clocks suitable for plesiochronous operation of international digital links. ITU-T.

20.Recommendation G.813. Timing characteristics of SECs. ITU-T.

21. Recommendation G.821. Error performance of an international digital connection forming part of an integrated services digital network. ITU-T.

22.Recommendation G.822. Controlled slip rate objectives on an international digital connection

23.Recommendation G.823. The control of jitter and wander within digital networks which are based on the 2048 kbit/s hierarchy. ITU-T.

24.Recommendation G.825. The control of jitter and wander within digital networks which are based on the SDH. ITU-T.

25.Recommendation G.826. Error performance parameters and objectives for international, constant bit rate digital paths at or above the primary rate. ITU-T.

26.Recommendation G.831. Management capabilities of transport networks based on the SDH. ITU-T.

27.Recommendation G.832. Transport of SDH elements on PDH networks - Frame and multiplexing structures. ITU-T.

28.Recommendation G.921. Digital sections based on the 2048 kbit/s hierarchy. ITU-T.

29.Recommendation G.952. Digital line systems based on the 2048 kbit/s hierarchy on symmetric pair cables. ITU-T.

30.Recommendation G.954. Digital line systems based on the 2048 kbit/s hierarchy on coaxial pair cables. ITU-T.

31.Recommendation G.955. Digital line systems based on the 1544 kbit/s and the 2048 kbit/s hierarchy on optical fibre cables. ITU-T.

32.Recommendation G.957. Optical interfaces for equipments and systems relating to the SDH. ITU-T.