JPH0365348U - - Google Patents
Info
- Publication number
- JPH0365348U JPH0365348U JP1989127082U JP12708289U JPH0365348U JP H0365348 U JPH0365348 U JP H0365348U JP 1989127082 U JP1989127082 U JP 1989127082U JP 12708289 U JP12708289 U JP 12708289U JP H0365348 U JPH0365348 U JP H0365348U
- Authority
- JP
- Japan
- Prior art keywords
- interface
- circuit
- isdn
- synchronization
- network termination
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989127082U JPH0644205Y2 (ja) | 1989-10-30 | 1989-10-30 | Isdn回線試験器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989127082U JPH0644205Y2 (ja) | 1989-10-30 | 1989-10-30 | Isdn回線試験器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0365348U true JPH0365348U (enExample) | 1991-06-25 |
| JPH0644205Y2 JPH0644205Y2 (ja) | 1994-11-14 |
Family
ID=31674865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989127082U Expired - Lifetime JPH0644205Y2 (ja) | 1989-10-30 | 1989-10-30 | Isdn回線試験器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0644205Y2 (enExample) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63276949A (ja) * | 1987-04-03 | 1988-11-15 | Nec Corp | 加入者回線試験装置 |
| JPS63305651A (ja) * | 1987-06-08 | 1988-12-13 | Nec Corp | Isdn交換機のル−プ・バック試験装置 |
| JPH01245649A (ja) * | 1988-03-25 | 1989-09-29 | Nec Corp | ディジタル加入者ライン試験装置 |
-
1989
- 1989-10-30 JP JP1989127082U patent/JPH0644205Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63276949A (ja) * | 1987-04-03 | 1988-11-15 | Nec Corp | 加入者回線試験装置 |
| JPS63305651A (ja) * | 1987-06-08 | 1988-12-13 | Nec Corp | Isdn交換機のル−プ・バック試験装置 |
| JPH01245649A (ja) * | 1988-03-25 | 1989-09-29 | Nec Corp | ディジタル加入者ライン試験装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0644205Y2 (ja) | 1994-11-14 |
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