Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


Supported SDH and SONET Interface Standards

Junos OS substantially supports the following standards for SDH and SONET interfaces.

  • American National Standards Institute (ANSI) standard T1.105-2001, Synchronous Optical Network (SONET) – Basic Description including Multiplex Structure, Rates, and Formats

  • ANSI standard T1.105.02-2001, Synchronous Optical Network (SONET) – Payload Mappings

  • ANSI standard T1.105.06-2002, Synchronous Optical Network (SONET): Physical Layer Specifications

  • GR-253-CORE (Telcordia Generic Requirements standard), Synchronous Optical Network (SONET) Transport Systems: Common Generic Criteria (replaces GR-1377-CORE, SONET OC-192 Transport System Generic Criteria)

  • GR-499-CORE, Transport Systems Generic Requirements (TSGR): Common Requirements

  • International Telecommunication Union–Telecommunication Standardization (ITU–T) Recommendation G.691, Optical interfaces for single channel STM-64 and other SDH systems with optical amplifiers

  • ITU–T Recommendation G.707 (1996), Network node interface for the synchronous digital hierarchy (SDH)

  • ITU–T Recommendation G.783 (1994), Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks

  • ITU–T Recommendation G.813 (1996), Timing characteristics of SDH equipment client clocks (SEC)

  • ITU–T Recommendation G.825 (1993), The control of jitter and wander within digital networks which are based on the synchronous digital hierarchy (SDH)

  • ITU–T Recommendation G.826 (1999), Error performance parameters and objectives for international, constant bit-rate digital paths at or above the primary rate

  • ITU–T Recommendation G.831 (1993), Management capabilities of transport networks based on the synchronous digital hierarchy (SDH)

  • ITU–T Recommendation G.957 (1995), Optical interfaces for equipments and systems relating to the synchronous digital hierarchy

  • ITU–T Recommendation G.958 (1994), Digital line systems based on the synchronous digital hierarchy for use on optical fibre cables

  • ITU–T Recommendation I.432 (1993), B-ISDN user-network interface – Physical layer specification

  • RFC 1619, PPP over SONET/SDH