JPS56112157A - Controlling method for channel assignment in loop communication system - Google Patents

Controlling method for channel assignment in loop communication system

Info

Publication number
JPS56112157A
JPS56112157A JP1531180A JP1531180A JPS56112157A JP S56112157 A JPS56112157 A JP S56112157A JP 1531180 A JP1531180 A JP 1531180A JP 1531180 A JP1531180 A JP 1531180A JP S56112157 A JPS56112157 A JP S56112157A
Authority
JP
Japan
Prior art keywords
channel
connection
request
transmission rates
control office
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.)
Pending
Application number
JP1531180A
Other languages
Japanese (ja)
Inventor
Masahiro Takahashi
Takushi Hamada
Hitoshi Fushimi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1531180A priority Critical patent/JPS56112157A/en
Publication of JPS56112157A publication Critical patent/JPS56112157A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04L12/427—Loop networks with decentralised control
    • H04L12/43—Loop networks with decentralised control with synchronous transmission, e.g. time division multiplex [TDM], slotted rings

Abstract

PURPOSE:To accomodate a channel having flexible and various kinds of transmission rates by assigning transmission rates to the channel according to the connection request and transmission rates from an control office without assignment of a fixed transmission speed to the channel. CONSTITUTION:When a connection request generates from a terminal device, FS detector 23 of the control office detects frame separation FS and, at the detection of dead status, sends connection request flag from connection/disconnection request register 28. Channel separation detector 26 calculates the channel number assigined to itself and sends data from transmission register 29. On the other hand, the control office receives a connection/disconnection field from connection/disconnection request receiving register 32 and decides whether the request is a connection request or a disconnection request. Thus, the channel having flexible and various kinds of transmission rates can be accomodated by assigning transmission rates to the channel according to the connection request and transmission rates from the control office.
JP1531180A 1980-02-08 1980-02-08 Controlling method for channel assignment in loop communication system Pending JPS56112157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1531180A JPS56112157A (en) 1980-02-08 1980-02-08 Controlling method for channel assignment in loop communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1531180A JPS56112157A (en) 1980-02-08 1980-02-08 Controlling method for channel assignment in loop communication system

Publications (1)

Publication Number Publication Date
JPS56112157A true JPS56112157A (en) 1981-09-04

Family

ID=11885233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1531180A Pending JPS56112157A (en) 1980-02-08 1980-02-08 Controlling method for channel assignment in loop communication system

Country Status (1)

Country Link
JP (1) JPS56112157A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137156A (en) * 1983-12-26 1985-07-20 Nec Corp Optical loop dispersed type exchange
JPH01225258A (en) * 1988-03-04 1989-09-08 Nippon Telegr & Teleph Corp <Ntt> Information transfer equipment
USRE37401E1 (en) 1990-05-09 2001-10-02 Fujitsu Limited Fault recovery system of a ring network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137156A (en) * 1983-12-26 1985-07-20 Nec Corp Optical loop dispersed type exchange
JPH01225258A (en) * 1988-03-04 1989-09-08 Nippon Telegr & Teleph Corp <Ntt> Information transfer equipment
USRE37401E1 (en) 1990-05-09 2001-10-02 Fujitsu Limited Fault recovery system of a ring network

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