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FCC STATEMENT

FEDERAL COMMUNICATIONS COMMISSION

AND

INDUSTRY CANADA

RADIO FREQUENCY INTERFERENCE STATEMENTS

This equipment generates, uses, and can radiate radio frequency energy and if not
installed and used properly, that is, in strict accordance with the manufacturer’s
instructions, may cause interference to radio communication. It has been tested
and found to comply with the limits for a Class A computing device in accordance
with the specifications in Subpart J of Part 15 of FCC rules, which are designed to
provide reasonable protection against such interference when the equipment is
operated in a commercial environment. Operation of this equipment in a
residential area is likely to cause interference, in which case the user at his own
expense will be required to take whatever measures may be necessary to correct 
the interference.

Changes or modifications not expressly approved by the party responsible 
for compliance could void the user’s authority to operate the equipment.

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 Industry Canada.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le
brouillage radioélectrique publié par Industrie Canada.

Содержание SCSI Switch II

Страница 1: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1996 Black Box Corporation All rights reserved...

Страница 2: ...E 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 blackbox com E mail inf...

Страница 3: ...SCSI SWITCH II TRADEMARKS USED IN THIS MANUAL UL is a registered trademark of Underwriters Laboratories Incorporated All applied for and registered trademarks are the property of their respective owne...

Страница 4: ...erated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measure...

Страница 5: ...ato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las in...

Страница 6: ...r una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado deb...

Страница 7: ...2 3 Caring for the Switch 10 3 Installation 11 3 1 Preinstallation Guidelines 11 3 2 Installing the Switch 11 4 Operation 12 5 Troubleshooting 13 5 1 Common Problems 13 5 2 Contacting Your Supplier 15...

Страница 8: ...ection Port A B or C Indicators 1 Power 3 Branch connected LEDs Connectors 1 P5 2 1 mm female power jack 4 high density 68 pin SCSI 3 Enclosure ABS plastic Operating Temperature 32 to 158 F 0 to 70 C...

Страница 9: ...ures that data transfer will not be interrupted Its compact size allows the SCSI Switch II to be set up for many different configurations 2 1 The Complete Package You should have received these items...

Страница 10: ...is no difference between the main bus and the three branches except for the way they are routed through the Switch Figure 2 1 Routing of Main Bus and Thre Branch Buses The SCSI Switch II supports the...

Страница 11: ...or extreme electrical fields Also though the Switch can withstand a lot of heat keeping it away from high temperatures will extend its life When you install the SCSI Switch II as with all computer dev...

Страница 12: ...u attach a SCSI adapter cable to the Switch you must make sure that Pin 1 on the cable s connector goes to Pin 1 on the Switch s connector 3 2 Installing the Switch To set up the SCSI Switch II on a d...

Страница 13: ...The LED for the last branch connected will light up If it blinks rapidly it s transmitting data If it stays constantly lit there is no data currently transmitting To switch branches push the button l...

Страница 14: ...or 12 volts DC 1 amp maximum with the positive terminal on the inside of the connector Also check whether the power supply is connected to a live power outlet Problem 2 Branch indicator LED flashes c...

Страница 15: ...Switch or you ve hit a SCSI bug If the communication still fails try these measures Check power to all SCSI devices Check the ID codes of all devices throughout the system and correct any conflicts O...

Страница 16: ...re and duration of the problem when the problem occurs the components involved in the problem and their SCSI ID numbers and any particular application that when used appears to create the problem or m...

Страница 17: ...ngle ended SCSI The first and last devices on a SCSI bus and only those devices should have terminators installed Thus a SCSI bus should have two terminators one at each end The SCSI Switch II acts as...

Страница 18: ...normal termination arrangement with the SCSI Switch II the wedge shapes represent terminators Figure 6 1 Normal Termaination An exception to the illustration above is the case where a branch bus may h...

Страница 19: ...tion normally found at the end of the main bus with terminators the top of each branch no farther than another few centimeters another two or three inches from the SCSI Switch II Figure 6 2 Alternate...

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