JPH02137152U - - Google Patents
Info
- Publication number
- JPH02137152U JPH02137152U JP4530189U JP4530189U JPH02137152U JP H02137152 U JPH02137152 U JP H02137152U JP 4530189 U JP4530189 U JP 4530189U JP 4530189 U JP4530189 U JP 4530189U JP H02137152 U JPH02137152 U JP H02137152U
- Authority
- JP
- Japan
- Prior art keywords
- impulse noise
- maintenance device
- isdn exchange
- echo canceller
- accommodated
- 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
Links
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4530189U JPH02137152U (en]) | 1989-04-17 | 1989-04-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4530189U JPH02137152U (en]) | 1989-04-17 | 1989-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02137152U true JPH02137152U (en]) | 1990-11-15 |
Family
ID=31559355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4530189U Pending JPH02137152U (en]) | 1989-04-17 | 1989-04-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02137152U (en]) |
-
1989
- 1989-04-17 JP JP4530189U patent/JPH02137152U/ja active Pending
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