JP2503572Y2 - 光入力断警報回路 - Google Patents

光入力断警報回路

Info

Publication number
JP2503572Y2
JP2503572Y2 JP2768490U JP2768490U JP2503572Y2 JP 2503572 Y2 JP2503572 Y2 JP 2503572Y2 JP 2768490 U JP2768490 U JP 2768490U JP 2768490 U JP2768490 U JP 2768490U JP 2503572 Y2 JP2503572 Y2 JP 2503572Y2
Authority
JP
Japan
Prior art keywords
circuit
voltage
output
alarm
signal
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
JP2768490U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03120144U (enrdf_load_stackoverflow
Inventor
有秀 野田
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
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP2768490U priority Critical patent/JP2503572Y2/ja
Publication of JPH03120144U publication Critical patent/JPH03120144U/ja
Application granted granted Critical
Publication of JP2503572Y2 publication Critical patent/JP2503572Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
JP2768490U 1990-03-20 1990-03-20 光入力断警報回路 Expired - Lifetime JP2503572Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2768490U JP2503572Y2 (ja) 1990-03-20 1990-03-20 光入力断警報回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2768490U JP2503572Y2 (ja) 1990-03-20 1990-03-20 光入力断警報回路

Publications (2)

Publication Number Publication Date
JPH03120144U JPH03120144U (enrdf_load_stackoverflow) 1991-12-10
JP2503572Y2 true JP2503572Y2 (ja) 1996-07-03

Family

ID=31530525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2768490U Expired - Lifetime JP2503572Y2 (ja) 1990-03-20 1990-03-20 光入力断警報回路

Country Status (1)

Country Link
JP (1) JP2503572Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH03120144U (enrdf_load_stackoverflow) 1991-12-10

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