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INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
Express
Ethernet Switches:
LB9020A-R2
May, 2003
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Summary of Contents for Black Box LB9020A-R2
- Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX CUSTOMER FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
- Page 2 Express Plus Ethernet Switch FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENT 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.
- Page 3 Express Plus Ethernet Switch 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del aparato.
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Page 4: Table Of Contents
Express Plus Ethernet Switch Table of Contents About This Manual.......................5 Product Overview .........................6 Front View..........................6 Figure 1: Compact 24 Ports Fast Ethernet Switch ............6 Product Features........................6 Pront Panel Display ......................6 Figure 2: Front Panel LEDs....................6 Physical Ports........................7 Understanding Front Panel Design .................7 Installation..........................7 Selecting a Site for the Equipment ..................7 Deciding How to Install......................8... -
Page 5: About This Manual
Express Plus Ethernet Switch About This Manual This manual describes how to install and use LB9020A-R2: compact 24 Ports Fast Ethernet Switch. The TX ports of the switch introduced here auto-negotiates the presence of 10/100Mbps and full/half-duplex mode and auto-MDIX. -
Page 6: Product Overview
Express Plus Ethernet Switch Product Overview Front View Figure 1: LB9020A-R2: Compact 24 Ports Fast Ethernet Switch Product Features ♦ P 24 × 10/100M RJ-45 ROVIDES BPS PORTS USING CONNECTORS ♦ A NEGOTIATION FOR SPEED AND DUPLEX MODE ON PORTS ♦... -
Page 7: Physical Ports
Express Plus Ethernet Switch The LEDs are located at the left side of the switch, displaying status for each respective port. Please refer to the table below for more information. Consult the following table for details. Before you use this table for troubleshooting, make sure the switch is properly connected to power and turned on. -
Page 8: Deciding How To Install
Express Plus Ethernet Switch The power outlet should be within 1.8 meters of the switch. Deciding How to Install Desktop or any flat surface The switch can sit on desktop or any flat surface with adequate space and ventilation. If you want to place it onto a shelf, make sure the shelf can withstand the weight of the switch. -
Page 9: Network Segmentation
Express Plus Ethernet Switch Network Segmentation Cable Specifications Table Ethernet Connect Port Cable Max. Standards Speed Distanc Half/F Duplex 10BaseT RJ-45 10/20 Cat. 3, 4 100 m Mbps or 5 UTP/STP 100BaseTX RJ-45 100/200 Cat. 5 100 m Mbps UTP/STP Technical Specifications Compact 24 Ports Fast Ethernet Switch... -
Page 10: Physical Specifications
Express Plus Ethernet Switch Physical Specifications Compact 24 Ports Fast Ethernet Switch Dimensions 254 × 135 × 45 mm, 10” Compact Size, 1U Weight Approx. 1.6kg Power Input 100 ~ 240 Vac, 50~60 Hz 2.5A Input Fuse Power 8.25W Max. Consumption Operating 0°... -
Page 11: Ordering Information
Express Plus Ethernet Switch Ordering Information 24 Fixed Ports Cable Connector Distance 100BaseTX: Cat. 5 UTP/STP, RJ-45 100m 10BaseT: Cat. 3, 4, or 5 UTP/STP, RJ-45 100m The maximum node-to-node network distance is in full-duplex operation. MMF denotes Multi-Mode Fiber. SMF denotes Single-Mode Fiber.
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