JP2623839B2 - 4-wire communication line connection device - Google Patents
4-wire communication line connection deviceInfo
- Publication number
- JP2623839B2 JP2623839B2 JP1171986A JP17198689A JP2623839B2 JP 2623839 B2 JP2623839 B2 JP 2623839B2 JP 1171986 A JP1171986 A JP 1171986A JP 17198689 A JP17198689 A JP 17198689A JP 2623839 B2 JP2623839 B2 JP 2623839B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- wire
- wire communication
- communication line
- control unit
- 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.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims description 71
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Interface Circuits In Exchanges (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、多次元接続電話及びタンデム中継通信機器
等を用いて４線式通信回線を確保する４線式通信回線接
続装置に関し、特に交換機の４線トランクをダイヤル信
号で直接アクセスとして４線式通信回線を捕捉確保する
４線式通信回線接続装置に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a four-wire communication line connection device for securing a four-wire communication line using a multidimensional connection telephone, a tandem relay communication device, and the like, and in particular, to an exchange. The present invention relates to a four-wire communication line connecting apparatus for capturing and securing a four-wire communication line by directly accessing a four-wire trunk using a dial signal.
従来の構内交換機における４線式通信回線の接続は、
４線式通信機器と構内交換機とを任意に接続できない固
定専有回線方式で行われていた。The connection of the 4-wire communication line in the conventional private branch exchange is as follows:
It has been carried out by a fixed proprietary line system in which a 4-wire communication device and a private branch exchange cannot be arbitrarily connected.
従来の４線式通信回線の構内交換機への接続は、固定
専有回線方式で行われており、４線式通信機器と構内交
換機とを任意に接続できないため、４線式通信機器の通
信上における自由度に致命的な障壁となっていた。The connection of the conventional 4-wire communication line to the private branch exchange is performed by the fixed private line system, and the 4-wire communication device and the private branch exchange cannot be arbitrarily connected. It was a deadly barrier to freedom.
またこの固定専有回線方式は、通信のための回線を固
定拘束専有するために、効率的ではなく経済的な負担が
大きかった。In addition, this fixed exclusive line system is not efficient but has a large economic burden because the line for communication is exclusively fixed and restricted.
本発明の目的は、このような欠点を解消し、構内交換
機へ４線式通信回線を任意に接続できる４線式通信回線
接続装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a four-wire communication line connecting device which can solve such a disadvantage and can arbitrarily connect a four-wire communication line to a private branch exchange.
本発明は、４線式トランク回路を有する構内交換機
へ、４線式通信回線を介して、４線式通信機器を接続す
るために、前記４線式通信回線上に設けられ、前記構内
交換機へ４線式通信回線を接続する４線式通信回線接続
装置であって、 ダイヤル信号を発生するダイヤル信号発生部と、 発信時には前記ダイヤル信号発生部からのダイヤル信
号により、着信時には前記構内交換機が局線を介して受
信したダイヤル信号により、前記４線式トランクの制御
線を制御して４線式通信回線を接続する制御部と、 この制御部により接続された前記４線式通信回線を前
記４線式通信機器と接続して通信回線を確保する通信機
器インターフェイス部とを有することを特徴とする。The present invention is provided on the four-wire communication line to connect a four-wire communication device to a private branch exchange having a four-wire trunk circuit via the four-wire communication line. A four-wire communication line connection device for connecting a four-wire communication line, comprising: a dial signal generator for generating a dial signal; a dial signal from the dial signal generator for originating a call; A control unit for controlling a control line of the 4-wire trunk according to a dial signal received via the line to connect a 4-wire communication line; and connecting the 4-wire communication line connected by the control unit to the 4-wire communication line. A communication device interface for connecting to the line communication device to secure a communication line.
次に、本発明の実施例について図面を参照して説明す
る。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は、本発明の一実施例を示す回路ブロック図で
ある。FIG. 1 is a circuit block diagram showing one embodiment of the present invention.
第１図で示すように、４線式通信回線接続装置２は、
通信機器インターフェイス部４と、制御部６と、ダイヤ
ル信号発生部８とを備え、４線式通信機器と、４線式ト
ランク回路14を搭載する構内交換機12との間の４線通信
回線上に設けられている。通信機器インターフェイス部
４は、一端が４線式通信回線10を介して４線式トランク
回路14に接続され、他端は同じく４線式通信回線10を介
して通信機器等と接続されている。４線式通信回線10
は、4W−Ｓ（送信側）及び4W−Ｒ（受信側）の送受多方
向の信号線より成る。制御部６は、通信機器インターフ
ェイス部４及びダイヤル信号発生部８と接続され、４線
式トランク回路14とはSS（Signal−Send）線16及びSR
（Signal−Receive）線18を介して接続されている。ま
た制御部６と構内交換機12には、グランド線となるGT線
が接続されている。As shown in FIG. 1, the four-wire communication line connection device 2
It comprises a communication device interface unit 4, a control unit 6, and a dial signal generation unit 8, and is provided on a 4-wire communication line between a 4-wire communication device and a private branch exchange 12 equipped with a 4-wire trunk circuit 14. Is provided. The communication device interface unit 4 has one end connected to a four-wire trunk circuit 14 via a four-wire communication line 10, and the other end also connected to communication devices and the like via the four-wire communication line 10. 4-wire communication line 10
Is composed of 4W-S (transmission side) and 4W-R (reception side) multi-directional signal lines. The control unit 6 is connected to the communication device interface unit 4 and the dial signal generation unit 8, and is connected to the 4-wire trunk circuit 14 by an SS (Signal-Send) line 16 and an SR (Signal-Send) line.
(Signal-Receive) is connected via a line 18. A GT line serving as a ground line is connected to the control unit 6 and the private branch exchange 12.
通信機器インターフェイス部４の制御部６は、４線式
トランク回路14の制御線SS線16,SR線18を制御すること
により、発信時及び着信時の回線の接続をする。また着
信時には、４線式トランク回路14が接続された結果を通
信機器インターフェイス部４に伝達する。発信時制御部
６は、ダイヤル信号発生部８からダイヤルパルスを受
け、SS線16を制御し、SS線16及びGT線20を介して構内交
換機12にダイヤパルスを送信する。着信時、４線式トラ
ンク回路14が相手側からのダイヤルパルスを受けると、
制御部６は、相手側からのダイヤルパルスを検出し、SR
線18を制御して回線を接続する。そして、この結果を通
信機器インターフェイス部４に伝達する。The control unit 6 of the communication device interface unit 4 controls the control lines SS line 16 and SR line 18 of the four-wire trunk circuit 14 to connect the lines at the time of transmission and at the time of reception. At the time of an incoming call, the connection result of the four-wire trunk circuit 14 is transmitted to the communication device interface unit 4. The transmission control unit 6 receives the dial pulse from the dial signal generation unit 8, controls the SS line 16, and transmits a diagram pulse to the private branch exchange 12 via the SS line 16 and the GT line 20. When receiving a call, when the 4-wire trunk circuit 14 receives a dial pulse from the other party,
The control unit 6 detects the dial pulse from the other party,
Control line 18 to connect the line. Then, the result is transmitted to the communication device interface unit 4.
ダイヤル信号発生部８は、前述したように制御部６に
ダイヤルパルスを送出する。The dial signal generator 8 sends a dial pulse to the controller 6 as described above.
通信機器インターフェイス部４は、インターフェイス
回路としての機能を有し、制御部６より回線が接続され
たという伝達を受けると、接続された４線式通信回線10
の信号線を通信機器に接続する。The communication device interface unit 4 has a function as an interface circuit. Upon receiving a notification from the control unit 6 that the line has been connected, the connected four-wire communication line 10
Connect the signal line to the communication device.
構内交換機12は、局線と接続されており、局線と４線
式通信回線との接続、あるいは４線式通信回線同士の接
続処理を行う。４線式トランク回路14は、構内交換機12
に搭載され、SS線16及びSR線18より成る制御線を備えて
おり、制御部６による４線式トランク回路14の制御によ
り回線の接続を行う。The private branch exchange 12 is connected to the office line, and performs a connection process between the office line and the 4-wire communication line or a connection process between the 4-wire communication lines. The four-wire trunk circuit 14 is connected to the private branch exchange 12
And a control line composed of an SS line 16 and an SR line 18. The control unit 6 controls the four-wire trunk circuit 14 to connect the lines.
次に本実施例の動作について説明する。発信の場合
は、ダイヤル信号発生部８から制御部６にダイヤルパル
スを送出する。制御部６は、ダイヤル信号発生部８から
のダイヤルパルスを受けると、SS線16を制御し、SS線16
及びGT線を介して構内交換機12の４線式トランク回路14
にダイヤルパルスを送出する。４線式トランク回路14
は、制御部６からのダイヤルパルスに基づき発信接続を
行う。Next, the operation of this embodiment will be described. In the case of transmission, a dial pulse is transmitted from the dial signal generator 8 to the controller 6. When receiving the dial pulse from the dial signal generation unit 8, the control unit 6 controls the SS line 16 and
And the 4-wire trunk circuit 14 of the private branch exchange 12 via the GT line
To send a dial pulse. 4-wire trunk circuit 14
Performs outgoing connection based on the dial pulse from the control unit 6.
次に着信の場合、相手側からのダイヤルパルスを４線
式トランク回路14で受けると、制御部６は、４線式トラ
ンク回路14のダイヤルパルスを検出後、SR線18を制御し
て４線式トランク回路14を接続する。そしてSR線18によ
り、４線式トランク回路14が捕捉接続された結果を通信
機器インターフェイス部４に伝達する。通信機器インタ
ーフェイス部４は、４線式トランク回路14で接続された
信号線を４線式通信回線10を介して通信機器と接続す
る。こうして通信機器と構内交換機12とが、通信機器イ
ンターフェイス部４及び４線式通信回線10を介して接続
される。Next, in the case of an incoming call, when the dial pulse from the other party is received by the four-wire trunk circuit 14, the control unit 6 detects the dial pulse of the four-wire trunk circuit 14, and then controls the SR line 18 to control the four-wire trunk circuit 14. Connect the trunk circuit 14. Then, the result of the capture connection of the four-wire trunk circuit 14 is transmitted to the communication device interface unit 4 by the SR line 18. The communication device interface unit 4 connects the signal line connected by the four-wire trunk circuit 14 to the communication device via the four-wire communication line 10. Thus, the communication equipment and the private branch exchange 12 are connected via the communication equipment interface unit 4 and the four-wire communication line 10.
以上説明したように本発明の４線式通信回線接続装置
は、通信機器に４線式通信回線を接続する通信機器イン
ターフェイス部と、自営構内交換機の４線トランクの制
御線をダイヤル信号でアクセス制御して、４線式通信回
線を接続できる制御部とを有するため、この装置を通信
回線上に付加することにより経済的な通信回線が確保で
きる。As described above, the four-wire communication line connection apparatus of the present invention provides access control of a communication equipment interface unit for connecting a four-wire communication line to communication equipment, and a control line of a four-wire trunk of a private branch exchange using a dial signal. In addition, since there is provided a control unit capable of connecting a four-wire communication line, an economical communication line can be secured by adding this device to the communication line.
尚、本発明の通信機器インターフェイス部及び制御部
については、同じ機能を有する回路であれば特定の回路
に限定されない。Note that the communication device interface unit and the control unit of the present invention are not limited to specific circuits as long as they have the same function.
以上説明したように、本発明は、構内交換機をアクセ
スして接続できるので、固定専有回線の制限を受けるこ
とがなくなり、効率的及び経済的な効果がある。As described above, according to the present invention, since the private branch exchange can be accessed and connected, there is no restriction on the fixed private line, and the present invention has an efficient and economical effect.
第１図は、本発明の一実施例を示す回路ブロック図であ
る。 ２……４線式通信回線接続装置 ４……通信機器インターフェイス部 ６……制御部 ８……ダイヤル信号発生部 10……４線式通信回線 16……SS線 18……SR線 20……GT線FIG. 1 is a circuit block diagram showing one embodiment of the present invention. 2 4-wire communication line connection device 4 Communication device interface unit 6 Control unit 8 Dial signal generation unit 10 4-wire communication line 16 SS line 18 SR line 20 GT line
Claims (1)
へ、４線式通信回線を介して、４線式通信機器を接続す
るために、前記４線式通信回線上に設けられ、前記構内
交換機へ４線式通信回線を接続する４線式通信回線接続
装置であって、 ダイヤル信号を発生するダイヤル信号発生部と、 発信時には前記ダイヤル信号発生部からのダイヤル信号
により、着信時には前記構内交換機が局線を介して受信
したダイヤル信号により、前記４線式トランクの制御線
を制御して４線式通信回線を接続する制御部と、 この制御部により接続された前記４線式通信回線を前記
４線式通信機器と接続して通信回線を確保する通信機器
インターフェイス部とを有することを特徴とする４線式
通信回線接続装置。1. A private branch exchange provided on a four-wire communication line for connecting a four-wire communication device to a private branch exchange having a four-wire trunk circuit via the four-wire communication line. A four-wire communication line connection device for connecting a four-wire communication line to a private branch exchange, comprising: a dial signal generator for generating a dial signal; A control unit for controlling a control line of the four-wire trunk by a dial signal received via a central office line to connect the four-wire communication line; and connecting the four-wire communication line connected by the control unit to the control unit. A four-wire communication line connection device, comprising: a communication device interface unit that secures a communication line by connecting to the four-wire communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171986A JP2623839B2 (en) | 1989-07-05 | 1989-07-05 | 4-wire communication line connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171986A JP2623839B2 (en) | 1989-07-05 | 1989-07-05 | 4-wire communication line connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338162A JPH0338162A (en) | 1991-02-19 |
| JP2623839B2 true JP2623839B2 (en) | 1997-06-25 |
Family
ID=15933417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1171986A Expired - Lifetime JP2623839B2 (en) | 1989-07-05 | 1989-07-05 | 4-wire communication line connection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2623839B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4897409A (en) * | 1972-03-25 | 1973-12-12 | ||
| JPS5733668Y2 (en) * | 1979-12-30 | 1982-07-24 |
-
1989
- 1989-07-05 JP JP1171986A patent/JP2623839B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0338162A (en) | 1991-02-19 |
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