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Two-Port 10/100 Ethernet Switches
10/100 UTP Port with (1) 100BASE-FX Port
CUSTOMER
SUPPORT
INFORMATION
Dual 10/100 UTP Port
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.blackbox.com • E-mail: info@blackbox.com
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LB9801A
LB9802A
LB9803A
LB9804A
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Summary of Contents for Black Box LB9801A
- Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) SUPPORT FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
- Page 3 FCC STATEMENT FEDERAL COMMUNICATIONS COMMISSION 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...
- Page 4 TWO-PORT 10/100 ETHERNET SWITCHES NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
- Page 5 NOM STATEMENT 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.
- Page 6 TWO-PORT 10/100 ETHERNET SWITCHES TRADEMARKS USED IN THIS MANUAL UL is a registered trademark of Underwriters Laboratories Incorporated. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.
- Page 7 CE MARK CE MARK The CE mark symbolizes compliance with the European Community’s EMC directive. The Two-Port 10/100 Ethernet Switches meet or exceed these technical standards: • EN 55022 — “Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment”...
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Page 8: Table Of Contents
3. Applications ....................10 4. Installation and Setup ..................11 4.1 Front Panels ..................11 4.2 LEDs ....................12 4.3 DIP Switches..................12 4.4 Copper Port ..................13 4.5 Fiber Port ....................14 5. Troubleshooting ..................15 5.1 Problems....................15 5.2 Calling Black Box................16 5.3 Shipping and Packaging ..............16... -
Page 9: Specifications
Half and full Compatibility — IEEE 802.3; IEEE 802.3u (Fast Ethernet standard) Connectors — LB9801A: (2) RJ-45 10/100 autosensing; LB9802A: (1) RJ-45 10/100 autosensing, (1) fiber for multimode; LB9803A–04A: (1) RJ-45 10/100 autosensing, (1) fiber for single mode Diagnostics —... - Page 10 TWO-PORT 10/100 ETHERNET SWITCHES Optical — LB9802A LB9803A LB9804A Distances (km) 0 to 2 0 to 18 17 to 40 Fiber Mode Fiber Attenuation (dB) -19 to -14 -19 to -14 -10 to -7 Output Power Range (dBm) Receiver Sensitivity (dBm) Receiver Saturation (dBm) 11 to 16 11 to 16...
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Page 11: Introduction
CHAPTER 2: Introduction 2. Introduction 2.1 Description The Two-Port 10/100 Ethernet Switches are standalone, dual-port Ethernet- to-Fast-Ethernet switches. In addition to enabling 10/100-Mbps and 100/100- Mbps switching, the Switches can also extend the diameter of Fast Ethernet networks up to 100 km. The Two-Port 10/100 Ethernet Switch is available in both a UTP and a fiberoptic version. -
Page 12: Applications
2-km to 110-km range (1.2 to 68.4 miles). LB9801A 10 Mbps 100 Mbps Half-Duplex 100-Mbps Switch 10-Mbps Hub 10-Mbps Workstations 100-Mbps Workstations Figure 3-1. LB9801A. LB9802A, LB9803A, or LB9804A 100 Mbps 200 Mbps up to 200 km Half-Duplex Full-Duplex 100-Mbps Hub... -
Page 13: Installation And Setup
Two-Port 10/100 Ethernet Switches are standalone units designed for 19" rack mounting. LED indicators help with installation and maintenance. Figures 4-1 and 4-2 show the front panels of the different models. 4.1 Front Panels Figure 4-1. Front panel—LB9801A. Figure 4-2. Front panel—LB9802A, LB9803A, and LB9804A. -
Page 14: Leds
TWO-PORT 10/100 ETHERNET SWITCHES 4.2 LEDs Group 1 Right of UTP port (2); 10/100BASE-TX port LEDs Data is being received from a connected hub or NIC card. LINK Indicates connection to another switch, a hub, or a NIC. COL/FD Bi-color LED. Yellow: port is in collision state. Green: port is configured for full-duplex communication. -
Page 15: Copper Port
CHAPTER 4: Installation and Setup 4.4 Copper Port Figure 4-3. Copper port default configuration: 100 half-duplex mode. Group 3 10/100 Duplex Rate Auto/Manual Full Manual DOWN Half AutoNeg... -
Page 16: Fiber Port
TWO-PORT 10/100 ETHERNET SWITCHES 4.5 Fiber Port Figure 4-4. Fiber port default configuration: 100 half-duplex mode. Group 6 Duplex Full DOWN Half WARNING Activating both auto-negotiation and full-duplex modes of operation is not defined by the IEEE 802.3u standard and may lead to unpredictable results. -
Page 17: Troubleshooting
First, make sure the power cord is plugged in firmly. Action: Make sure the outlet works. If the cord and outlet are fine, call Black Box about getting a replacement Switch. 2) Symptom: The LINK LED does not light when…... -
Page 18: Calling Black Box
• Package it carefully. We recommend that you use the original container. • If you are shipping the Two-Port 10/100 Ethernet Switch for repair, make sure you include everything that came in the original package. Before you ship, contact Black Box to get a Return Materials Authorization (RMA) number. - Page 19 NOTES...
- Page 20 © Copyright 1997. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
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