JPH0181061U - - Google Patents
Info
- Publication number
- JPH0181061U JPH0181061U JP1987175099U JP17509987U JPH0181061U JP H0181061 U JPH0181061 U JP H0181061U JP 1987175099 U JP1987175099 U JP 1987175099U JP 17509987 U JP17509987 U JP 17509987U JP H0181061 U JPH0181061 U JP H0181061U
- Authority
- JP
- Japan
- Prior art keywords
- relay contacts
- relay
- hereinafter referred
- modem
- control circuit
- 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 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Description
第１図は本考案の一実施例を示すＮＣＵ回路、
第２図は従来のＮＣＵ回路である。 １ａ，１ｂ：加入者回線接続端子、４ａ，４ｂ
：電話機接続用端子、５：モデム側トランス、６
：カツプリングコンデンサ、７：電流制限抵抗、
８：ＣＭＬ ＤＰリレー接点。
第２図は従来のＮＣＵ回路である。 １ａ，１ｂ：加入者回線接続端子、４ａ，４ｂ
：電話機接続用端子、５：モデム側トランス、６
：カツプリングコンデンサ、７：電流制限抵抗、
８：ＣＭＬ ＤＰリレー接点。
Claims (1)
- 電話形公衆通信回線の加入者線に送出するダイ
ヤルパルス送出用リレー接点（以下ＤＰリレー接
点と略す）と加入者線と変復調装置（以下モデム
と略す）を接続又は開放するリレー接点（以下Ｃ
ＭＬリレー接点と略す）を有する網制御回路に於
て、前記ＤＰリレー接点とＣＭＬリレー接点を１
つのリレー接点で兼用したことを特徴とする網制
御回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175099U JPH0181061U (ja) | 1987-11-18 | 1987-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175099U JPH0181061U (ja) | 1987-11-18 | 1987-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181061U true JPH0181061U (ja) | 1989-05-31 |
Family
ID=31466914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175099U Pending JPH0181061U (ja) | 1987-11-18 | 1987-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181061U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62210771A (ja) * | 1986-03-12 | 1987-09-16 | Fujitsu Ltd | 網制御回路 |
-
1987
- 1987-11-18 JP JP1987175099U patent/JPH0181061U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62210771A (ja) * | 1986-03-12 | 1987-09-16 | Fujitsu Ltd | 網制御回路 |
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