Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for branch line unit protection

A branch and connection unit technology, applied in the field of branch unit protection, can solve problems such as device waste and circuit duplication, and achieve the effects of reducing system cost, achieving consistency, and flexible settings

Inactive Publication Date: 2007-12-05
FENGHUO COMM SCI & TECH CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the code pattern entering the connection unit and the protection connection unit is the code mark conversion code (CMI code). For the input and output interfaces on the line side, the equalization and driving circuit of the CMI code signal are indispensable, resulting in circuit repetition and Device waste

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for branch line unit protection
  • Method for branch line unit protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The technical principle and collective implementation of the method of the present invention will be described in detail below with reference to the accompanying drawings. When implementing the branch circuit protection method of the present invention, several technical problems need to be considered: first, the positions of the protection connection unit and the protection branch circuit unit in the system should be flexibly configured; second, it is necessary to ensure that the protection connection unit and the working connection unit Consistency in circuit design; third, simplify system design, avoid repetitive design, and reduce system costs. In order to solve these technical problems, the present invention adopts a unidirectional ring topology to realize 1:n protection of branch units in a cascaded manner, and the positions of the protection branch unit and the protection connection unit are flexibly controlled by software; a symmetrical system design is adopted. ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A branch unit protection method adapted for synchronized digital series system, wherein one of the multiple connecting units in the ring form topology is selected. the master and standby interconnection units detect the caution signal wire from the branch unit, and determines the location for the failed branch unit and protection branch unit, and the incoming / output signal of the corresponding connecting units of the failed branch unit is reversed to the protecting branch unit.

Description

technical field [0001] The invention relates to a method for realizing tributary unit protection, in particular to a method for providing 1:n protection to tributary units in a synchronous digital series system with a transmission rate of 155 Mb / s. The protection design of other interface units and other application fields has the same reference effect. Background technique [0002] In the synchronous digital series system, electrical tributary interfaces of various rates, such as conventional 2Mb / s, 34Mb / s, 45Mb / s, 140Mb / s and other Pseudo-Synchronous Digital Hierarchy (PDH) tributary interfaces and 155Mb / s The SDH tributary interface is mapped / demapped into the SDH frame signal in a specific format, and transmitted through the SDH optical line. In the design of the SDH system that implements these interfaces, it is often necessary to decompose the branch interface into a connection unit and a branch unit. Based on the consideration of service reliability, it is often nec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/00
Inventor 陈永洲朱宇霞章灿辉
Owner FENGHUO COMM SCI & TECH CO LTD