JPH0469460B2 - - Google Patents

Info

Publication number
JPH0469460B2
JPH0469460B2 JP9059685A JP9059685A JPH0469460B2 JP H0469460 B2 JPH0469460 B2 JP H0469460B2 JP 9059685 A JP9059685 A JP 9059685A JP 9059685 A JP9059685 A JP 9059685A JP H0469460 B2 JPH0469460 B2 JP H0469460B2
Authority
JP
Japan
Prior art keywords
signal
circuit
auxiliary signal
auxiliary
input
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
JP9059685A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61251244A (ja
Inventor
Masahiro Nakajima
Seiji Fukuda
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP9059685A priority Critical patent/JPS61251244A/ja
Publication of JPS61251244A publication Critical patent/JPS61251244A/ja
Publication of JPH0469460B2 publication Critical patent/JPH0469460B2/ja
Granted 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
JP9059685A 1985-04-26 1985-04-26 補助信号伝送回路 Granted JPS61251244A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9059685A JPS61251244A (ja) 1985-04-26 1985-04-26 補助信号伝送回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9059685A JPS61251244A (ja) 1985-04-26 1985-04-26 補助信号伝送回路

Publications (2)

Publication Number Publication Date
JPS61251244A JPS61251244A (ja) 1986-11-08
JPH0469460B2 true JPH0469460B2 (enrdf_load_stackoverflow) 1992-11-06

Family

ID=14002847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9059685A Granted JPS61251244A (ja) 1985-04-26 1985-04-26 補助信号伝送回路

Country Status (1)

Country Link
JP (1) JPS61251244A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6231229A (ja) * 1985-08-01 1987-02-10 Nec Corp 中継装置

Also Published As

Publication number Publication date
JPS61251244A (ja) 1986-11-08

Similar Documents

Publication Publication Date Title
US5058104A (en) Tdm demultiplexer with dedicated maintenance channels to indicate high-speed line faults to low speed circuits
CA1312362C (en) Fault detection signal transmission system
KR850004367A (ko) 디지탈 무선 릴레이장치
US5313462A (en) Synchronism establishing method and apparatus
JPH0469460B2 (enrdf_load_stackoverflow)
JP3076935B2 (ja) 障害区間判定方式
JP2720485B2 (ja) 副信号切替方式
JPS6225005Y2 (enrdf_load_stackoverflow)
JPS6231229A (ja) 中継装置
JPS5911222B2 (ja) マルチフレ−ム同期方式
KR970006787B1 (ko) 데이타 다중화 장치
JPH04220828A (ja) 障害区間標定方法
JPH0290741A (ja) 障害情報転送方式
JPH04167843A (ja) 回線切替方式
JPH03126339A (ja) スタッフ多重変換装置
JPH0267835A (ja) ディジタル無線方式の擬似フレーム信号送出方式
JPH01119129A (ja) 機器障害信号伝達回路
JPS6345932A (ja) デイジタルサ−ビスチヤンネル信号伝送回路
JPS6243234A (ja) 時分割多重通信装置
JPH0316058B2 (enrdf_load_stackoverflow)
JPH0548977B2 (enrdf_load_stackoverflow)
JPH01309430A (ja) データ時分割多重化回路
JPH0564499B2 (enrdf_load_stackoverflow)
JPS61116440A (ja) 同期方式
JPS60235534A (ja) ル−ト予備伝送方式

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term