JPH03107845U - - Google Patents
Info
- Publication number
- JPH03107845U JPH03107845U JP1990016139U JP1613990U JPH03107845U JP H03107845 U JPH03107845 U JP H03107845U JP 1990016139 U JP1990016139 U JP 1990016139U JP 1613990 U JP1613990 U JP 1613990U JP H03107845 U JPH03107845 U JP H03107845U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- optical
- terminal device
- station
- transmitted
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図および第２図は本考案の一実施例を説明
するためのもので、このうち第１図はデジタルラ
インリンクを構成する一部の光端局装置について
その回路構成を表わした回路図、第２図はデジタ
ルラインリンクの構成図、第３図は従来の光端局
装置を使用したデジタルラインリンクの構成図で
ある。
１２……光中継装置、２１……光端局装置、２
３……信号変換回路、２４……電気・光変換回路
、２５……セレクタ回路、２６……障害監視回路
、Ｌ……デジタルラインリンク、Ｓ……デジタル
ラインセクシヨン。
Figures 1 and 2 are for explaining one embodiment of the present invention, of which Figure 1 is a circuit diagram showing the circuit configuration of some optical terminal equipment that constitutes a digital line link. , FIG. 2 is a block diagram of a digital line link, and FIG. 3 is a block diagram of a digital line link using a conventional optical terminal equipment. 12... Optical relay device, 21... Optical terminal device, 2
3...Signal conversion circuit, 24...Electric/optical conversion circuit, 25...Selector circuit, 26...Fault monitoring circuit, L...Digital line link, S...Digital line section.
Claims (1)
号および第３の信号をオーバビツトとして挿入し
て第４の信号に変換し、あるいは第４の信号から
第１の信号、第２の信号および第３の信号を取り
出す信号変換部と、 前記第４の信号を電気信号から光信号に、ある
いは光信号から電気信号に変換する電気・光変換
部と、 第２の信号を用いてタンデムに接続されたデジ
タルラインリンク内の他のデジタルラインセクシ
ヨンの情報を収集し、第３の信号を用いて対向局
および中間の光中継装置の情報を収集する障害監
視部 とを具備することを特徴とする光端局装置。 ２ 障害監視部によつて得られる障害情報をポー
リング方式によつて収集することを特徴とする請
求項１記載の光端局装置。 ３ 自局に固有のアドレス番号を持ち、このアド
レス番号が伝送されてきたとき自局の障害情報を
送出する一方、これ以外のアドレス番号がきたと
きこれを次の装置にそのまま伝送し自局の障害情
報を送出しないことを特徴とする請求項２記載の
光端局装置。[Claims for Utility Model Registration] 1. A frame synchronization signal, a second signal, and a third signal are inserted into the first signal as overbits to convert it into a fourth signal, or the fourth signal is converted into the first signal. a signal conversion unit that extracts the signal, a second signal, and a third signal; an electrical/optical conversion unit that converts the fourth signal from an electrical signal to an optical signal or from an optical signal to an electrical signal; A fault monitoring unit that uses the third signal to collect information on other digital line sections in the digital line link connected in tandem, and uses a third signal to collect information on the opposite station and intermediate optical repeater equipment. An optical terminal device comprising: 2. The optical terminal device according to claim 1, wherein the fault information obtained by the fault monitoring section is collected by a polling method. 3. Each station has a unique address number, and when this address number is transmitted, it sends out fault information for the own station, but when an address number other than this is received, it is transmitted as is to the next device and the own station's fault information is transmitted. 3. The optical terminal device according to claim 2, wherein the optical terminal device does not send failure information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990016139U JP2533798Y2 (en) | 1990-02-22 | 1990-02-22 | Fault monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990016139U JP2533798Y2 (en) | 1990-02-22 | 1990-02-22 | Fault monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03107845U true JPH03107845U (en) | 1991-11-06 |
| JP2533798Y2 JP2533798Y2 (en) | 1997-04-23 |
Family
ID=31519422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990016139U Expired - Lifetime JP2533798Y2 (en) | 1990-02-22 | 1990-02-22 | Fault monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2533798Y2 (en) |
-
1990
- 1990-02-22 JP JP1990016139U patent/JP2533798Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2533798Y2 (en) | 1997-04-23 |
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