JPH0313784U - - Google Patents
Info
- Publication number
- JPH0313784U JPH0313784U JP7450089U JP7450089U JPH0313784U JP H0313784 U JPH0313784 U JP H0313784U JP 7450089 U JP7450089 U JP 7450089U JP 7450089 U JP7450089 U JP 7450089U JP H0313784 U JPH0313784 U JP H0313784U
- Authority
- JP
- Japan
- Prior art keywords
- interface unit
- board
- covered
- insulating layer
- terminal interface
- 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
- 239000003990 capacitor Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Structure Of Telephone Exchanges (AREA)
- Structure Of Printed Boards (AREA)
Description
第１図は本考案の一実施例に係る標準電話機イ
ンタフエースユニツトの外観構成を示す斜視図、
第２図は標準電話機インタフエースユニツトが搭
載された交換装置の一般的な回路構成を示すブロ
ツク線図、第３図は標準電話機インタフエースユ
ニツト内の通話回路の概略構成を示すブロツク線
図、第４図は交換装置キヤビネツト内での各ユニ
ツトの一般的な配置例を示す斜視図である。
１０……標準電話機インタフエースユニツト、
２０……基板、２０ａ……部品面、２０ｂ……配
線面、２１……回路部品、２２……絶縁シート、
２３……止め具。
FIG. 1 is a perspective view showing the external configuration of a standard telephone interface unit according to an embodiment of the present invention;
Fig. 2 is a block diagram showing the general circuit configuration of a switching device equipped with a standard telephone interface unit; FIG. 4 is a perspective view showing an example of the general arrangement of each unit within the exchanger cabinet. 10...Standard telephone interface unit,
20... Board, 20a... Component surface, 20b... Wiring surface, 21... Circuit component, 22... Insulating sheet,
23...stop.
Claims (1)
主装置に搭載される、リンガー発振回路及び電源
安定化用コンデンサを有する端末インタフエース
ユニツトにおいて、前記基板の配線面を絶縁層で
覆い前記配線面上の配線パターンの露出を無くし
たことを特徴とする端末インタフエースユニツト
。 In a terminal interface unit having a ringer oscillation circuit and a power supply stabilizing capacitor, which is configured on one board and mounted on a switching device or key telephone main device, the wiring surface of the board is covered with an insulating layer, and the wiring surface is covered with an insulating layer. A terminal interface unit characterized by eliminating exposed wiring patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7450089U JPH0313784U (en) | 1989-06-26 | 1989-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7450089U JPH0313784U (en) | 1989-06-26 | 1989-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0313784U true JPH0313784U (en) | 1991-02-12 |
Family
ID=31614243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7450089U Pending JPH0313784U (en) | 1989-06-26 | 1989-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0313784U (en) |
-
1989
- 1989-06-26 JP JP7450089U patent/JPH0313784U/ja active Pending
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