JPH01115362U - - Google Patents
Info
- Publication number
- JPH01115362U JPH01115362U JP1037488U JP1037488U JPH01115362U JP H01115362 U JPH01115362 U JP H01115362U JP 1037488 U JP1037488 U JP 1037488U JP 1037488 U JP1037488 U JP 1037488U JP H01115362 U JPH01115362 U JP H01115362U
- Authority
- JP
- Japan
- Prior art keywords
- ring trip
- circuit
- trip circuit
- ring
- several channels
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
第１図はこの考案の一実施例を示すリングトリ
ツプ回路のブロツク図、第２図はこの考案のリン
グトリツプ回路の動作のフローチヤート、第３図
は従来のリングトリツプ回路のブロツク図を示す
。
図において、１は端末、２はリングリレー、３
はプロセツサ、４は加入者回路、５はリングトリ
ツプ回路、６はＰＣＭハイウエイ、７は時間スイ
ツチ、８はリングジエネレータ、９はバツテリー
、１０はリングリレー、１１はループオン信号、
１２はリレードライブ信号、１３はリングトリツ
プ信号、１４はＮＡＮＤ回路、１５はＮＯＴＥＸ
ＯＲ回路を示す。なお、図中、同一符号は同一、
または相当部分を示す。
FIG. 1 is a block diagram of a ring trip circuit showing an embodiment of this invention, FIG. 2 is a flow chart of the operation of the ring trip circuit of this invention, and FIG. 3 is a block diagram of a conventional ring trip circuit. In the figure, 1 is a terminal, 2 is a ring relay, and 3 is a terminal.
is a processor, 4 is a subscriber circuit, 5 is a ring trip circuit, 6 is a PCM highway, 7 is a time switch, 8 is a ring generator, 9 is a battery, 10 is a ring relay, 11 is a loop-on signal,
12 is a relay drive signal, 13 is a ring trip signal, 14 is a NAND circuit, 15 is a NOTEX
An OR circuit is shown. In addition, in the figure, the same reference numerals are the same,
or a significant portion.
Claims (1)
回路ごとに設けられていたリングトリツプ回路を
数チヤンネルに１個とし、この１個で数チヤンネ
ル分のリングトリツプ回路としたことを特徴とす
るリングトリツプ回路。 This ring trip circuit is characterized in that the ring trip circuit provided for each subscriber circuit on a subscriber circuit card of a private branch exchange is reduced to one for every several channels, and this one ring trip circuit serves as a ring trip circuit for several channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1037488U JPH01115362U (en) | 1988-01-28 | 1988-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1037488U JPH01115362U (en) | 1988-01-28 | 1988-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115362U true JPH01115362U (en) | 1989-08-03 |
Family
ID=31217980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1037488U Pending JPH01115362U (en) | 1988-01-28 | 1988-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115362U (en) |
-
1988
- 1988-01-28 JP JP1037488U patent/JPH01115362U/ja active Pending
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