JPS6083456A - Continuity test system for trunk - Google Patents
Continuity test system for trunkInfo
- Publication number
- JPS6083456A JPS6083456A JP19205083A JP19205083A JPS6083456A JP S6083456 A JPS6083456 A JP S6083456A JP 19205083 A JP19205083 A JP 19205083A JP 19205083 A JP19205083 A JP 19205083A JP S6083456 A JPS6083456 A JP S6083456A
- Authority
- JP
- Japan
- Prior art keywords
- trunk
- circuit
- test
- transmitting
- equipment
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、電話交換機に接続さ九、自動電話端末装置と
対向するトランクの導通試験方式に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a continuity test method for a trunk connected to a telephone exchange and facing an automatic telephone terminal.
従来、この種のトランクの導通試験方式は、トランクの
通話路の入口側に試験信号発生回路を、出口側に試験信
号検出回路を備えて試験を実行していた。また試駆装置
内に変復調回路、ＭＦｃ送受信回路等の信号発生手段の
異なる回路がある場合には、試験信号発生手段として変
復調回路を使用した場合、試験信号検出手段として同一
の変復調回路を備えて試験を実行するものとして−た。Conventionally, this type of trunk continuity testing method has carried out the test by providing a test signal generation circuit on the entrance side of the communication path of the trunk and a test signal detection circuit on the exit side. In addition, if there are circuits with different signal generation means such as a modulation/demodulation circuit and an MFc transmitting/receiving circuit in the test device, and if a modulation/demodulation circuit is used as the test signal generation means, the same modulation/demodulation circuit is provided as the test signal detection means. It was assumed that the test would be carried out.
即ち従来のトランクの導通試験方式にあっては同一の変
復調回路が２回路必要となり、試験装置の形状が太きく
なシ、限られた容積の試験装置では他の回路に使用でき
る割合が少なくなるという欠点があった。In other words, in the conventional trunk continuity test method, two identical modulation/demodulation circuits are required, the shape of the test equipment is not large, and the limited capacity of the test equipment reduces the percentage that can be used for other circuits. There was a drawback.
本発明は、トランクの導通試験の試験信号発生手段とし
て変復調回路を用い、検出手段にＭＦＣ送受信回路を用
いることによシ、従来採られていた方法での欠点を解決
し、試験信号発生検出回路の縮少、簡易化を実現できる
導通試験を提供せんとするものである。そして、具体的
には、変復調回路と、ＭＦＣ送受信回路と、これら両回
路が接続された入トランク回路と出トランク回路の双方
を有するトランクと、記憶回路と、これらの回路の制御
回路とを備える試験装置と、４線式通話線を有する被試
験トランクとを、被試験トランクの試験開始信号によシ
上記各通話線に接続し、被試験トランクの入トランク回
路の入力に試験装置の変復調回路から試験信号を送出し
、出トランク回路を通過した試験信号を試験装置のＭＦ
’Ｃ送受信回路により検出し、ついで試験装置の変復調
回路から試験信号を被試験装置の出トランク回路の入力
に送出し、入トランク回路を通過した試験信号を試験装
置のＭ Ｆ Ｃ送受信回路で検出するトランクの導通試
験方式を提供せんとするものである。The present invention solves the drawbacks of conventional methods by using a modulation/demodulation circuit as a test signal generating means for a trunk continuity test and an MFC transmitting/receiving circuit as a detecting means. The purpose is to provide a continuity test that can reduce and simplify the process. Specifically, it includes a modulation/demodulation circuit, an MFC transmitting/receiving circuit, a trunk having both an incoming trunk circuit and an outgoing trunk circuit to which both of these circuits are connected, a storage circuit, and a control circuit for these circuits. The test equipment and the trunk under test having a 4-wire communication line are connected to each of the above communication lines according to the test start signal of the trunk under test, and the modulation/demodulation circuit of the test equipment is connected to the input trunk circuit of the trunk under test. The test signal is sent from the MF of the test equipment, and the test signal that has passed through the output trunk circuit
Then, the test signal is sent from the modulation/demodulation circuit of the test equipment to the input of the output trunk circuit of the equipment under test, and the test signal that has passed through the input trunk circuit is detected by the MFC transmission/reception circuit of the test equipment. The purpose of this paper is to provide a trunk continuity test method.
次に図面を参照して本発明の実施例について説明する。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明装置の一実施例を示すブロック図である
。図において、１は被試験装置内の被試験トランク、２
は試験装置で、これらは通話線１１ａ 、 ｌｌｂ 〜
１４ａ 、 １４ｂによりリレー接点１５ａ 、 １５
ｃ 、 １５ｄ 、 １５ｆを介して並列に接続されて
いる。FIG. 1 is a block diagram showing an embodiment of the apparatus of the present invention. In the figure, 1 is the trunk under test in the device under test, 2
is a test device, and these are the communication lines 11a, llb ~
Relay contacts 15a, 15 by 14a, 14b
c, 15d, and 15f are connected in parallel.
被試験トランク１には、入トランク機能を有する入トラ
ンク回路３と、出トランク機能を有する出トランク回路
４がリレー接点ｘ５ｂ 、 ｘｓｅ ＊介して接続され
て備えられている。The trunk under test 1 is equipped with an incoming trunk circuit 3 having an incoming trunk function and an outgoing trunk circuit 4 having an outgoing trunk function, connected through relay contacts x5b and xse*.
また試験製置工は主に、入トランク機能を持つ入トラン
ク回路５と出トランク機能を持つ出トランク回路６の双
方を有するトランク２０と、変復調回路７と、ＭＦＣ送
受信回路８と、記憶回路９および制御回路１０とによっ
て惜成されている。In addition, the test equipment mainly includes a trunk 20 having both an incoming trunk circuit 5 with an incoming trunk function and an outgoing trunk circuit 6 with an outgoing trunk function, a modulation/demodulation circuit 7, an MFC transmitting/receiving circuit 8, and a memory circuit 9. and the control circuit 10.
尚−図中１５ｇ〜１５ｎはリレー接点である。Note that 15g to 15n in the figure are relay contacts.
次に、導通試験を行なう場合を説明する。Next, a case of conducting a continuity test will be explained.
先ず被試験トランクエから制御回路１０に試験要求信号
が来ると制御回路１０はリレー接点１５ａ。First, when a test request signal comes from the trunk to be tested to the control circuit 10, the control circuit 10 connects the relay contact 15a.
１５ｄ 、 １５ｃ 、 １５ｆを駆動し、被試験トラ
ンク通話線１１ａ 、 ｌｌｂ 、 １２ａ 、 １２
ｂを試験装置２の通話線１３ａ 、 １３ｂ 、 １４
ａ 、 １４ｂ接続する。被試験トランク１と試験装置
２が接続された状態で試験装置２の変復調回路７より試
験信号を送出−、通話線１．３ａ 、 ｌｌａ、 １２
ａ 、 １４ａを通過した試＃化号をＭＰ、Ｃ送受信回
路８によって検出する。ついで制御回路１０はリレー接
点１５１ｃ 、１５ｍ 、 １５ｎを汐入動し、変得調
回路７を出トランク回路６に、ＭＦＣ送受信器８を入ト
ランク回路５に切径え、変復調回路７より試験信号を送
出して通呼線１４１） 、 １２ｂ 。15d, 15c, 15f, and the trunk communication lines under test 11a, llb, 12a, 12
b to the communication lines 13a, 13b, 14 of the test device 2.
a, 14b connect. With the trunk under test 1 and the test device 2 connected, test signals are sent from the modulation/demodulation circuit 7 of the test device 2 through the communication lines 1.3a, lla, 12.
The trial # code that has passed through a and 14a is detected by the MP and C transmitting/receiving circuit 8. Next, the control circuit 10 operates the relay contacts 151c, 15m, and 15n, connects the modulation circuit 7 to the output trunk circuit 6, connects the MFC transceiver 8 to the input trunk circuit 5, and outputs the test signal from the modulation/demodulation circuit 7. Send out call line 141), 12b.
１１ｂ 、 １３ｂを通過した試験信号をＭＦＣ送受信
回路８によって検出する。、被試験トランク１の導通試
験が完了すると制御回＃１０はリレー接点１５ａ。The test signal passing through 11b and 13b is detected by the MFC transmitting/receiving circuit 8. , When the continuity test of the trunk under test 1 is completed, the control circuit #10 is connected to the relay contact 15a.
１５ｄ 、 １５Ｃ，、１５ｆを駆動して試験装置２と
被試験トランク１を切り離し試験開始前の状態に彷１日
する。15d, 15C, and 15f are driven to disconnect the test apparatus 2 and the trunk 1 to be tested, and the test equipment is left in the state before the start of the test for one day.
本発明に係るトランクの導通試験方式は以上説明してき
た如く、被試験装置を試験する試験装置の試験信号発生
手段に変復調回路を検出手段にＭＦＣ送受信回路を使用
することにより、試験信号発生検出手段の回路の簡易化
を行える効果があり、試験装置の形状を小形化し、限ら
れた容積の試験装置であっても他の回路に使用できる割
合を少なくすることがなくなるという多大な効果も奏し
得るものとなる。As described above, the trunk continuity test method according to the present invention uses a modulation/demodulation circuit as the test signal generation means of the test equipment that tests the device under test, and an MFC transmitting/receiving circuit as the detection means. It has the effect of simplifying the circuits, and it also has the great effect of reducing the size of the test equipment and eliminating the need to reduce the proportion that can be used for other circuits even if the test equipment has a limited capacity. Become something.
第１図は本発明に係るトランクの導通試験方式の」実施
例を示すブロック図である。
１・・・被試験トランク ２・・・試験装置３．５・・
・入トランク回路 ４，６・・・出トランク回路７・・
・変復調回路 ８・・・ＭＦＣ送受信回路９・・・記憶
回路 １０・・・制御回路出願人 日本電気株式会社FIG. 1 is a block diagram showing an embodiment of a trunk continuity test method according to the present invention. 1... Trunk under test 2... Test equipment 3.5...
・Incoming trunk circuit 4, 6...Outgoing trunk circuit 7...
・Modulation/demodulation circuit 8...MFC transmitting/receiving circuit 9...Memory circuit 10...Control circuit Applicant NEC Corporation
Claims (1)
続された入トランク回路と出トランク回路の双方を有す
るトランクと、記憶回路と、これらの回路の制御回路と
を備える試験装置と、４線式通話線を有する被試験トラ
ンクとを、被試験トランクの試験開始信号により上記各
通話線に接続し、被試験トランクの入トランク回路の入
力に試験装置の変復調回路から試験信号を送出し、出ト
ランク回路を通過した試験信号を試験装置のＭＦＣ送受
信回路によシ検出し、ついで試験装置の変復調回路から
試験信号を被試験装置の出トランク回路の入力に送出し
、入トランク回路を通過した試験信号を試験装置のＭＦ
Ｃ送受信回路で検出するトランクの導通試験方式。A test device comprising a modulation/demodulation circuit, an MFC transmitting/receiving circuit, a trunk having both an incoming trunk circuit and an outgoing trunk circuit to which both of these circuits are connected, a memory circuit, and a control circuit for these circuits, and a four-wire type The trunk under test having a communication line is connected to each of the above communication lines by the test start signal of the trunk under test, and the test signal is sent from the modem circuit of the test equipment to the input of the incoming trunk circuit of the trunk under test, and the outgoing trunk is connected to the trunk under test. The test signal that has passed through the circuit is detected by the MFC transmitter/receiver circuit of the test equipment, and then the test signal is sent from the modulation/demodulation circuit of the test equipment to the input of the outgoing trunk circuit of the equipment under test, and the test signal that has passed through the incoming trunk circuit is detected. The test equipment MF
A trunk continuity test method that detects the C transmitting and receiving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19205083A JPS6083456A (en) | 1983-10-14 | 1983-10-14 | Continuity test system for trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19205083A JPS6083456A (en) | 1983-10-14 | 1983-10-14 | Continuity test system for trunk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6083456A true JPS6083456A (en) | 1985-05-11 |
Family
ID=16284777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19205083A Pending JPS6083456A (en) | 1983-10-14 | 1983-10-14 | Continuity test system for trunk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6083456A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0281548A (en) * | 1988-09-17 | 1990-03-22 | Anritsu Corp | Transmission characteristic measuring method |
| CN113173284A (en) * | 2021-04-26 | 2021-07-27 | 宁波江丰电子材料股份有限公司 | Management method of semi-finished target backboard |
-
1983
- 1983-10-14 JP JP19205083A patent/JPS6083456A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0281548A (en) * | 1988-09-17 | 1990-03-22 | Anritsu Corp | Transmission characteristic measuring method |
| CN113173284A (en) * | 2021-04-26 | 2021-07-27 | 宁波江丰电子材料股份有限公司 | Management method of semi-finished target backboard |
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