GB/T 28505-2012
Technical specification of national No.7 signalling system 2 Mbit/s high speed link (English Version)

Standard No.

GB/T 28505-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 28505-2012

Scope

This standard specifies the technical requirements for high-speed signaling links, and also specifies the principles for using high-speed signaling links on my country's No.7 signaling network. This standard applies to signaling links with higher loads in the No.7 signaling network.

GB/T 28505-2012 Referenced Document

• ITU-T G.703 Physical/electrical characteristics of hierarchical digital interfaces*， 2016-03-31 Update
• ITU-T G.704 Synchronous Frame Structures Used at 154463122048 8448 and 44 736 kbit/s Hierarchical Levels - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Terminal Equipments - General Study Group 15; 44 pp
• ITU-T Q.704 Signalling Network Functions and Messages Study Group 11

GB/T 28505-2012 history

• 2012 GB/T 28505-2012 Technical specification of national No.7 signalling system 2 Mbit/s high speed link