JPS63120441U - - Google Patents
Info
- Publication number
- JPS63120441U JPS63120441U JP1987010750U JP1075087U JPS63120441U JP S63120441 U JPS63120441 U JP S63120441U JP 1987010750 U JP1987010750 U JP 1987010750U JP 1075087 U JP1075087 U JP 1075087U JP S63120441 U JPS63120441 U JP S63120441U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- receiving
- test pattern
- transmission
- test
- 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
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Maintenance And Management Of Digital Transmission (AREA)
Description
第１図は本考案による回線監視装置の一実施例
を示す送信側ブロツク図、第２図はその受信側ブ
ロツク図である。
１…テストパターン発生回路、２…送信選択回
路、３…送信制御回路、４…受信選択回路、５…
受信制御回路、６…テストパターン照合回路、７
…伝送路。
FIG. 1 is a block diagram on the transmitting side showing an embodiment of the line monitoring device according to the present invention, and FIG. 2 is a block diagram on the receiving side thereof. DESCRIPTION OF SYMBOLS 1...Test pattern generation circuit, 2...Transmission selection circuit, 3...Transmission control circuit, 4...Reception selection circuit, 5...
Reception control circuit, 6...Test pattern matching circuit, 7
...Transmission line.
Claims (1)
ストパターン発生回路からのテストパターン信号
と通常のデータ信号の送信選択を行う送信選択回
路及びチヤンネルの使用状態を検出して前記送信
選択回路の制御を行う送信制御回路から構成され
る送信装置と、該送信装置より送出されてくる受
信入力を受信制御回路からの制御信号によりチヤ
ンネルの使用状態に応じてテストパターン照合回
路側とデータ受信部のいずれかへ出力するかを選
択する受信選択回路から構成される受信装置とを
具備し、チヤンネルの未使用時を利用して前記テ
ストパターン発生回路よりのテストパターンを伝
送路に送出することにより、受信側にてそのテス
トパターンの照合試験を行うようにしたことを特
徴とする回線監視装置。 In a line monitoring device for a digital transmission path, a transmission selection circuit that selects transmission of a test pattern signal from a test pattern generation circuit and a normal data signal, and a transmission control that detects the usage state of a channel and controls the transmission selection circuit. A transmitting device composed of a circuit, and a receiving input sent from the transmitting device is outputted to either the test pattern matching circuit side or the data receiving section depending on the usage status of the channel according to the control signal from the receiving control circuit. a receiving device configured with a receiving selection circuit for selecting one of the test patterns; A line monitoring device characterized by performing a test pattern matching test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987010750U JPS63120441U (en) | 1987-01-29 | 1987-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987010750U JPS63120441U (en) | 1987-01-29 | 1987-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63120441U true JPS63120441U (en) | 1988-08-04 |
Family
ID=30797338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987010750U Pending JPS63120441U (en) | 1987-01-29 | 1987-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63120441U (en) |
-
1987
- 1987-01-29 JP JP1987010750U patent/JPS63120441U/ja active Pending
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