CA1279132C - Systeme de transmission en anneau - Google Patents

Systeme de transmission en anneau

Info

Publication number
CA1279132C
CA1279132C CA 563316 CA563316A CA1279132C CA 1279132 C CA1279132 C CA 1279132C CA 563316 CA563316 CA 563316 CA 563316 A CA563316 A CA 563316A CA 1279132 C CA1279132 C CA 1279132C
Authority
CA
Canada
Prior art keywords
node
nodes
path
paths
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA 563316
Other languages
English (en)
Inventor
Thomas Patrick Joseph Flanagan
James Angus Mceachern
David John Nicholson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA 563316 priority Critical patent/CA1279132C/fr
Application granted granted Critical
Publication of CA1279132C publication Critical patent/CA1279132C/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
CA 563316 1988-04-05 1988-04-05 Systeme de transmission en anneau Expired CA1279132C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 563316 CA1279132C (fr) 1988-04-05 1988-04-05 Systeme de transmission en anneau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 563316 CA1279132C (fr) 1988-04-05 1988-04-05 Systeme de transmission en anneau

Publications (1)

Publication Number Publication Date
CA1279132C true CA1279132C (fr) 1991-01-15

Family

ID=4137777

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 563316 Expired CA1279132C (fr) 1988-04-05 1988-04-05 Systeme de transmission en anneau

Country Status (1)

Country Link
CA (1) CA1279132C (fr)

Similar Documents

Publication Publication Date Title
US5159595A (en) Ring transmission system
US5003531A (en) Survivable network using reverse protection ring
US5216666A (en) 1:n ring-type signal protection apparatus
US4633246A (en) Time divison multiplex ring
US5218604A (en) Dual-hubbed arrangement to provide a protected ring interconnection
US7319662B2 (en) Virtual line switched ring
JP3195461B2 (ja) リングノード
US4835763A (en) Survivable ring network
US6188667B1 (en) Transport interface for performing protection switching of telecommunications traffic
EP0745294B1 (fr) Reseau de telecommunications comprenant un dispositif de protection pour la commutation d'une voie
JP3195477B2 (ja) 双方向リング伝送システムに使用されるリングノードおよび通信回線保護切替方法
EP0654924B1 (fr) Système de communication ayant des systèmes de transmission interconnectés, bidirectionelles et annulaires avec des lignes commutées
US6147968A (en) Method and apparatus for data transmission in synchronous optical networks
EP0654922A2 (fr) Système de communication ayant des systèmes de transmission interconnectés et annulaires avec des lignes et des chemins commutés
JP2001520830A (ja) 光双方向ラインスイッチ形リングデータ通信システムの方法および装置
JPH06284141A (ja) 双方向伝送路切替リングネットワーク
US5335105A (en) High speed communications interface protection system
US20020067700A1 (en) Office recognition method in ring network
CA1279132C (fr) Systeme de transmission en anneau
EP0708542B1 (fr) Circuit de silencieux généralisé et déterministe pour un système de transmission en forme d'anneau
WO1999000942A2 (fr) Procede de transmission de donnees dans un reseau de teletransmission annulaire, reseau associe et element de reseau a cet effet
CA2356643C (fr) Anneau commute a ligne virtuelle
JPH1022961A (ja) Ａｄｍ装置を用いた１対ｎ光ラインスイッチシステム
JPH10336225A (ja) ユーザチャンネル信号プロテクション方式
JPH04246920A (ja) 回線切替方式

Legal Events

Date Code Title Description
MKEX Expiry