JPH0482796U - - Google Patents
Info
- Publication number
- JPH0482796U JPH0482796U JP12596990U JP12596990U JPH0482796U JP H0482796 U JPH0482796 U JP H0482796U JP 12596990 U JP12596990 U JP 12596990U JP 12596990 U JP12596990 U JP 12596990U JP H0482796 U JPH0482796 U JP H0482796U
- Authority
- JP
- Japan
- Prior art keywords
- level signal
- reference level
- optical
- transmission
- optical transmission
- 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 14
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例を示したものであつ
て、２台の光送受信装置が光伝送手段によつて通
信可能に接続されている状態を示すブロツク図で
ある。第２図は従来例を示すものであつて、２台
の光送受信装置が光伝送手段によつて通信可能に
接続されている状態を示すブロツク図である。
１ａ，１ｂは光送受信装置、３ａ，３ｂは送信
部、４ａ，４ｂは受信部、８は光伝送手段、９ａ
，９ｂは送信基準レベル信号発生器（送信基準レ
ベル信号発生手段）、１０ａ，１０ｂは第１切換
えスイツチ（第１スイツチング手段）、１２ａ，
１２ｂは受信基準レベル信号発生器（受信基準レ
ベル信号発生手段）、１３ａ，１３ｂは比較器（
比較手段）、１４ａ，１４ｂは異常レベル表示器
（表示手段）である。
FIG. 1 shows an embodiment of the present invention, and is a block diagram showing a state in which two optical transmitter/receivers are communicably connected by an optical transmission means. FIG. 2 shows a conventional example, and is a block diagram showing a state in which two optical transmitter/receivers are communicably connected by an optical transmission means. 1a and 1b are optical transmitting and receiving devices, 3a and 3b are transmitting sections, 4a and 4b are receiving sections, 8 is an optical transmission means, 9a
, 9b is a transmission reference level signal generator (transmission reference level signal generation means), 10a and 10b are first changeover switches (first switching means), 12a,
12b is a reception reference level signal generator (reception reference level signal generation means), 13a and 13b are comparators (
Comparison means), 14a and 14b are abnormal level indicators (display means).
Claims (1)
段に信号を送信する送信部と、光伝送手段からの
信号を受信する受信部とを有する光送受信装置に
おいて、 送信基準レベル信号を発生する送信基準レベル
信号発生手段と、上記送信部に設けられて、上記
送信基準レベル信号発生手段と光伝送手段との接
続の有無を切り換える第１のスイツチング手段と
、受信基準レベル信号を発生する受信基準レベル
信号発生手段と、上記受信基準レベル信号発生手
段と接続されて、光伝送手段を介して送信される
送信基準レベル信号と受信基準レベル信号とを比
較する比較手段と、上記受信部に設けられて、上
記比較手段と光伝送手段との接続の有無を切り換
える第２スイツチング手段と、上記比較手段の動
作に対応して表示を行う表示手段とを有している
ことを特徴とする光送受信装置。[Claims for Utility Model Registration] An optical transmitting/receiving device having a transmitting section that transmits a signal to an optical transmission means that converts an electrical signal into an optical signal and transmits it, and a receiving section that receives a signal from the optical transmission means, a transmission reference level signal generation means for generating a transmission reference level signal; a first switching means provided in the transmitting section for switching connection between the transmission reference level signal generation means and the optical transmission means; and a reception standard. a reception reference level signal generation means for generating a level signal; and a comparison means connected to the reception reference level signal generation means for comparing a transmission reference level signal and a reception reference level signal transmitted via the optical transmission means. , a second switching means that is provided in the receiving section and switches whether or not the comparison means is connected to the optical transmission means; and a display means that displays in response to the operation of the comparison means. An optical transmitter/receiver featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12596990U JPH0482796U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12596990U JPH0482796U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482796U true JPH0482796U (en) | 1992-07-17 |
Family
ID=31873547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12596990U Pending JPH0482796U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482796U (en) |
-
1990
- 1990-11-27 JP JP12596990U patent/JPH0482796U/ja active Pending
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