Black BoxメーカーME540A-STの使用説明書/サービス説明書
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Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500 ) FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corporation , 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.
FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of the Canadian Department of Communications.
FOM LINE DRIVER—ST AN D S M 3 Contents Chapter Page.
FOM LINE DRIVER—ST AND S M 4 Protocol — Speed — Maximum Distance — Operation — No. of Drops Supported — Interface — Connectors — Indicators — User Controls — Link Budget — Fiber .
FOM LINE DRIVER—ST AN D S M 5 2.1 Ports 2.2 Speed and Distance Figure 2-1. The FOM Line Driver . CONNECTORS TX RX CONNECTORS TX RX DB-9 TERMINAL BLOCK W ALLMOUNT POWER SUPPL Y 2.
FOM LINE DRIVER—ST AND S M 6 3.1 Network Mode NOTE There is no collision detection. Figure 3-1. All units configured in network mode. TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX 3. Configurations Fiber Cabling 232/485/C.
FOM LINE DRIVER—ST AN D S M 7 3.2 Master/Slave Mode Figure 3-2. One unit configured as a master , all others as slaves. TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX A B A B A B A B TX RX TX RX TX.
FOM LINE DRIVER—ST AND S M 8 3.3 Point-to-Point Figure 3-3. P oint-to-point—Both units configured as masters. NOTE The same interface is not required on both sides.
FOM LINE DRIVER—ST AN D S M 9 4.1 Setup or S1, P osition 1—Mode Select S1, P osition 2—Master/Slave Select NOTE T o use the following switch positions appropriately, you should have a firm understanding of your network requirements. S1, P ositions 3 through 6—RS-485 Failsafe/Biased Line S1, P ositions 7 and 8—RS-485 T ermination 4.
FOM LINE DRIVER—ST AND S M 10 F iber optic Cable Connections Chapter 3, Configurations Section 4.2 Section 4.3 Section 4.4 4.2 RS-232 Set XW1. DB9 Pinouts DCE DTE 2—TX Data 2—RX Data 3—RX Data.
FOM LINE DRIVER—ST AN D S M 11 4.3 RS-485 Connect the wire to the terminal block. Set S5. Set W4, W5, and W6. F or 4-wire operation: F or 2-wire operation: Set S1.
FOM LINE DRIVER—ST AND S M 12 Biased, Failsafe Operation (S1, positions 3 through 6). NOTE To use S1 positions 3 through 6 appropriately , you should have a firm understanding of your network requirements. Figure 4-1. Biased/Failsafe Operation Switches (RS-485).
FOM LINE DRIVER—ST AN D S M 13 4.4 20-mA Current Loop (Point to Point) NOTE T o use the following switch positions appropriately, you should have a firm understanding of your network requirements. Connect the wire to the terminal block. Set S5. Set S2 and S3.
FOM LINE DRIVER—ST AND S M 14 Figure 5-1. Circuit board with RS-232 options. + + + + + - + + + + + + B - A + B - A Rx Tx 1 2 3 4 5. Quick Setup Guide RX A X W 1 B X W 1 A S1 W3 C B A W2 TX A RX B TX B RX A TX A RX B TX B Slave Master Network 20mA RS-485 RS-232 Loopback Switch KEY 0 = Open/Off 1 = Closed/On S1 Pos.
FOM LINE DRIVER—ST AN D S M 15 Figure 5-2. Circuit board with RS-485 options. + + + + + - + + + + + + B - A + B - A Rx Tx 1 2 3 4 RX A TX A TX B A S5 S1 W6 W5 W4 B B AC RX B Slave Master Network 20m.
FOM LINE DRIVER—ST AND S M 16 Figure 5-3. Circuit board with 20-mA current-loop options. + + + + + - + + + + + + B - A + B - A Rx Tx 1 2 3 4 RS-232 A S3 S2 S1 A B B A BC B A RX B RX A TX B TX A RX A.
FOM LINE DRIVER—ST AN D S M 17 6.1 Application Problems Do this befor e you call for technical support 6.2 Calling Your Supplier 6.3 Shipping and Packaging 6.
FOM LINE DRIVER—ST AND S M 18 Application Diagram forms are found on pages 19, 21, and 23. You may be asked to fax your diagram to the Technical Support department.
FOM LINE DRIVER—ST AN D S M 19 Local Node Remote Node XW2 XW2 XW1 XW1 W3 W3 W2 W2 S5 S5 W4 W4 W5 W5 W6 W6 S2 S2 S3 S3 S1: S1: NOTE 0 = Open or Off 1 = Closed or On NOTE 0 = Open or Off 1 = Closed or.
FOM LINE DRIVER—ST AND S M 20.
21 Local Node Remote Node XW2 XW2 XW1 XW1 W3 W3 W2 W2 S5 S5 W4 W4 W5 W5 W6 W6 S2 S2 S3 S3 S1: S1: NOTE 0 = Open or Off 1 = Closed or On NOTE 0 = Open or Off 1 = Closed or On 1 12 2 3 34 4 55 6 67 7 88.
FOM LINE DRIVER—ST AND S M 22.
23 Local Node Remote Node XW2 XW2 XW1 XW1 W3 W3 W2 W2 S5 S5 W4 W4 W5 W5 W6 W6 S2 S2 S3 S3 S1: S1: NOTE 0 = Open or Off 1 = Closed or On NOTE 0 = Open or Off 1 = Closed or On 1 12 2 3 34 4 55 6 67 7 88.
FOM LINE DRIVER—ST AND S M 24.
FOM LINE DRIVER—ST AN D S M 25.
1000 Park Drive • Lawrence, P A 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 1998. Black Box Corporation. All rights reserv ed..
デバイスBlack Box ME540A-STの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Black Box ME540A-STをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBlack Box ME540A-STの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Black Box ME540A-STの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Black Box ME540A-STで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Black Box ME540A-STを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBlack Box ME540A-STの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Black Box ME540A-STに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBlack Box ME540A-STデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。