Electronic Industry Association (EIA)
 
European Telecommunications Standards Institute (ETSI)
 
Institute of Electrical and Electronics Engineers (IEEE)
–  IEEE 802.1Q   Virtual LANs
–  IEEE 802.1p  Traffic Class Expediting and Dynamic Multicast Filtering
–  IEEE 802.3  CSMA/CD Access Method
 
International Telecommunication Union–Telecommunication Standardization Sector (ITU-T)
Recommendations 
–  G.703 Physical/Electrical Characteristics of Hierarchical Digital Interfaces
–  G.7041/Y1303 Generic Framing Procedure (GFP)
–  G.7042/Y1305 Link Capacity Adjustment Scheme (LCAS) for Virtual Concatenated
Signals
–  G.707/Y1322  Network Node Interface for the Synchronous Digital Hierarchy (SDH)
–  G.774  SDH Management Information Model for Network Element View
–  G.781  Synchronization Layer Functions
–  G.783 Characteristics of Synchronization Digital Hierarchy (SDH) Equipment
Functional Blocks
–  G.784  Synchronous Digital Hierarchy (SDH) Management
–  G.803  Synchronous Digital Hierarchy (SDH) Transport Network Architecture
–  G.813  Timing Characteristics of SDH Equipment Slave Clocks (SEC)
–  G.823  Control Of Jitter and Wander within Digital Networks which are Based On
The 2048 Kbit/s Hierarchy
–  G.825  “The Control of Jitter and Wander Within Digital Networks which are
based on the Synchronous Digital Hierarchy (SDH)”
–  G.826  Error Performance Parameters and Objectives For International,
Constant Bit-Rate Digital Paths At Or Above The Primary Rate
–  G.828   Error Performance Parameters and Objectives For International,
Constant Bit Rate Synchronous Digital Paths
–  G.829  Error Performance Events for SDH Multiplex and Regenerator Sections
–  G.831 Management Capabilities Of Transport Networks Based on the
Synchronous Digital Hierarchy (SDH)
–  G.841  Types and Characteristics of SDH Network Protection Architectures
–  G.842  Interworking of SDH Network Protection Architecture
–  G.957  Optical Interfaces for Equipment and System Relating to the
Synchronous Digital Hierarchy
G.958  Digital Line Systems Based on the Synchronous Digital Hierarchy for Use
–
on Optical Fibre Cables

–  G.691  Optical Interfaces for Single-Channel STM-64, STM-256, and Other SDH
Systems with Optical Amplifiers
–  G.664  Optical Safety Procedures and Requirements for Optical Transport
System 
–  I.731  Types and General Characteristics of ATM Equipment
–  I.732  Functional Characteristics of ATM Equipment
–  I.630  ATM Protection Switching
–  M.3010  Principles for a Telecommunications Management Network.
–  M.3300  TMN F Interface Requirements

恩，很好，加錢20！希望再接再厲