JPS61152143A - 回線バツクアツプ装置 - Google Patents

回線バツクアツプ装置

Info

Publication number
JPS61152143A
JPS61152143A JP59272927A JP27292784A JPS61152143A JP S61152143 A JPS61152143 A JP S61152143A JP 59272927 A JP59272927 A JP 59272927A JP 27292784 A JP27292784 A JP 27292784A JP S61152143 A JPS61152143 A JP S61152143A
Authority
JP
Japan
Prior art keywords
line
backup
interface
switching network
digital
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.)
Granted
Application number
JP59272927A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0564497B2 (enExample
Inventor
Fusayoshi Aso
麻生　房儀
Toru Honda
透 本多
Fumio Akiyama
秋山　文夫
Tomoo Motohashi
本橋　知夫
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 Microcomputer System Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Microcomputer Engineering 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, Hitachi Microcomputer Engineering Ltd filed Critical Hitachi Ltd
Priority to JP59272927A priority Critical patent/JPS61152143A/ja
Publication of JPS61152143A publication Critical patent/JPS61152143A/ja
Publication of JPH0564497B2 publication Critical patent/JPH0564497B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)
JP59272927A 1984-12-26 1984-12-26 回線バツクアツプ装置 Granted JPS61152143A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59272927A JPS61152143A (ja) 1984-12-26 1984-12-26 回線バツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59272927A JPS61152143A (ja) 1984-12-26 1984-12-26 回線バツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS61152143A true JPS61152143A (ja) 1986-07-10
JPH0564497B2 JPH0564497B2 (enExample) 1993-09-14

Family

ID=17520692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59272927A Granted JPS61152143A (ja) 1984-12-26 1984-12-26 回線バツクアツプ装置

Country Status (1)

Country Link
JP (1) JPS61152143A (enExample)

Also Published As

Publication number Publication date
JPH0564497B2 (enExample) 1993-09-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees