Black Box RS-232/422/485, RS422/485 manual Federal Communications Commission

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FCC AND IC RFI STATEMENTS

FEDERAL COMMUNICATIONS COMMISSION

and INDUSTRY CANADA

RADIO FREQUENCY INTERFERENCE STATEMENTS

Class B Digital Device. This equipment has been tested and found to comply with the limits for a Class B computing device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. This equipment generates, uses, and can radiate radio frequency energy, and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. If this equipment does cause harmful interference to radio or telephone reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult an experienced radio/TV technician for help.

Caution

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

To meet FCC requirements, shielded cables and power cords are required to connect this device to a personal computer or other Class B certified device.

This digital apparatus does not exceed the Class B 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 classe B prescrites dans le Règlement sur le brouillage radioélectrique publié par Industrie Canada.

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Contents July IC1020A IC1021A IC1022A Federal Communications Commission DUAL- and QUAD-PORT USB Hubs EMC Directive StatementNOM Statement DUAL- and QUAD-PORT USB Hubs Trademarks Contents Specifications What’s Included IntroductionOverview Technical DescriptionSignal Name Connector Pin AssignmentsSignal Name Pin # Mode System Installation InstallationOperating System Installation Installation Electrical Interface Selection ConfigurationOriginal Configuration Jumpers E5, E6, E7, and E8Switch SW4 Settings Jumper Port RS-232 RS-422/485Description RS-485 RS-422 SwitchSwitch SW3 Settings Switch Port Description RS-485 Switch SW2 and SW4 SettingsSwitch SW1 and SW3 Settings Port Description RS-485 QUAD-PORTUSB HUB-RS-232/422/485 IC1022AJumpers E1, E2, E3, E4, E5, E6, E7, and E8 Switch Setting Port Description RS-485 RS-422Setting Appendix A. Troubleshooting Troubleshooting TipsCalling Black Box Shipping and PackagingRS-422 Appendix B. Electrical InterfacesRS-232 RS-485 Figure C-1. Bit diagram for asynchronous communication Appendix C Asynchronous CommunicationAppendix C Asynchronous Communication Copyright 2002. Black Box Corporation. All rights reserved