JPH056817B2 - - Google Patents

Info

Publication number
JPH056817B2
JPH056817B2 JP59270516A JP27051684A JPH056817B2 JP H056817 B2 JPH056817 B2 JP H056817B2 JP 59270516 A JP59270516 A JP 59270516A JP 27051684 A JP27051684 A JP 27051684A JP H056817 B2 JPH056817 B2 JP H056817B2
Authority
JP
Japan
Prior art keywords
line
low
speed
relay
lines
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 - Lifetime
Application number
JP59270516A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61148934A (ja
Inventor
Kyotaka Nishi
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 JP27051684A priority Critical patent/JPS61148934A/ja
Publication of JPS61148934A publication Critical patent/JPS61148934A/ja
Publication of JPH056817B2 publication Critical patent/JPH056817B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Detection And Prevention Of Errors In Transmission (AREA)
JP27051684A 1984-12-21 1984-12-21 多重回線の試験方法 Granted JPS61148934A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27051684A JPS61148934A (ja) 1984-12-21 1984-12-21 多重回線の試験方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27051684A JPS61148934A (ja) 1984-12-21 1984-12-21 多重回線の試験方法

Publications (2)

Publication Number Publication Date
JPS61148934A JPS61148934A (ja) 1986-07-07
JPH056817B2 true JPH056817B2 (enExample) 1993-01-27

Family

ID=17487318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27051684A Granted JPS61148934A (ja) 1984-12-21 1984-12-21 多重回線の試験方法

Country Status (1)

Country Link
JP (1) JPS61148934A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04112535U (ja) * 1991-03-15 1992-09-30 日本電気株式会社 伝送路間通信試験用伝送路切替装置
JPH10262063A (ja) * 1997-03-19 1998-09-29 Fujitsu Ltd セルスイッチング方法及びセル交換システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991754A (ja) * 1982-11-18 1984-05-26 Japanese National Railways<Jnr> 通信路切替方式およびその装置
JPS5991755A (ja) * 1982-11-18 1984-05-26 Japanese National Railways<Jnr> 通信路切替方式およびその装置

Also Published As

Publication number Publication date
JPS61148934A (ja) 1986-07-07

Similar Documents

Publication Publication Date Title
JPH056817B2 (enExample)
JPH056818B2 (enExample)
US3864528A (en) Fault locating system for a digital transmission system
JPS61148933A (ja) 多重化集線方式
JPS6133035A (ja) 回線試験方式
JPH11168527A (ja) 伝送線路障害検出システム
JPS61228742A (ja) 遠方監視制御装置
JPS6175651A (ja) 変復調装置
JP2956391B2 (ja) 光加入者伝送装置の加入者線インタフェース部
JPS61148936A (ja) 多重化集線方式
JPS5981949A (ja) デ−タ伝送装置
JP2000049903A (ja) ループバックによる伝送路誤り試験方法及び多重化通信システム
JPS61269539A (ja) システム試験方法
JPH04304046A (ja) デジタル信号伝送方式の障害区間判定方式
JPH04287448A (ja) ステーション障害検出方式
JPS60162329A (ja) デ−タハイウエイ装置
JPH01255346A (ja) 通信制御装置の試験方式
JPH01228246A (ja) 無手順端末ネットワークにおける障害監視方式
JPS61189750A (ja) 通信制御装置
JPH02119335A (ja) インタフェース回路
JPS60163551A (ja) 回線切替方式
JPS62252246A (ja) リモ−トテスト回路
JPH0563801A (ja) 加入者回路障害表示方式
JPS58212238A (ja) 多重変換装置系の自動切替方式
JPH05235909A (ja) 出力部監視を用いた警報診断方式