Краткое содержание страницы № 1
Express Ethernet Switch
August, 2002
LB9002A-ST-R2
Express
Ethernet Switches
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.black
Краткое содержание страницы № 2
Express Ethernet Switch FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENT 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 par
Краткое содержание страницы № 3
Express Ethernet Switch 8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de operación. Todo otro servicio deberá ser referido a personal de servicio calificado. 9. El aparato eléctrico debe ser situado de tal manera que su posición no interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá, alfombra o superficie similar puede bloquea la ventilación, no se debe colocar en libreros o gabinetes que impid
Краткое содержание страницы № 4
Express Ethernet Switch About This Manual This manual describes the Black Box Express Ethernet Switch in these basic sections: ?? Product Features ?? Installation ?? Trouble-shooting ?? Glossary of Terms Product Features This section examines the key features, the physical features, and the product specifications of each model. Installation This section leads with a Quick Tip, and continues with a detailed description of Connecting to Power and Connecting to Your Network wit
Краткое содержание страницы № 5
Express Ethernet Switch This manual services the compact size of Express Ethernet Switch, LB9002A-SC/ST, which has 1 port TX and 1 port FX. 5
Краткое содержание страницы № 6
Express Ethernet Switch Table of Contents About This Manual ............................................................................................................................4 Product Features ...............................................................................................................................4 Installation .........................................................................................................................................4 Trouble-sho
Краткое содержание страницы № 7
Express Ethernet Switch Product Features This section addresses: ?? Key Features ?? Physical Features (including LEDs) ?? Product Specification Key Features ?? Auto-negotiation for speed and duplex on every TX port ?? Plug & play ?? True non-blocking architecture ?? Full wire-speed forwarding ?? Store-and-forward switching mechanism ?? Runt and CRC filtering eliminate erroneous packets to optimize network bandwidth ?? Back pressure for half-duplex ?? IEEE 802.3x flow contro
Краткое содержание страницы № 8
Express Ethernet Switch Physical Features ?? AC Input:100-250VAC, 47-63Hz internal universal power supply ?? Input Fuse: 2A ?? Power Consumption: 7W ?? Operating Temperature: 0 C- 40 C (32 F- 104 F) ?? Storage Temperature: -25 C- 70 C (-13 F-158 F) ?? Humidity: 10%-90% non-condensing ?? Emission Compliance: FCC part 15 class B, CE Mark, VCCI Class B ?? Safety: UL ?? Dimensions: W254mm x D135mm x H36mm (10" x 5.3” x 1.4") ?? Net weight: 0.9kg (2.1lb) 8
Краткое содержание страницы № 9
Express Ethernet Switch Illustrated Compact-Size Switches The front panel of the compact switch has two or eight ports and LED indicators to provide instant feedback on the status of the switch. This group includes LB9002A-SC/ST, and LB9108A. LB9002A-SC-R2/LB9002A-ST-R2 Figure 1: Compact-size, 2-port with fiber LB9002A-SC-R2 (also available in ST) ? 10/100TX 100FX LNK/ACT PWR MDI MDI-X FDX/COL 100 TX RX ? ?? Figure 2: LED and functions of the two-port switch (LB
Краткое содержание страницы № 10
Express Ethernet Switch LED State Indication Steady The port has established a valid network connection LNK/ACT (link/activity) Flashing The port is receiving or transmitting data Steady The port has established a valid 100 Mbps connection 100 Off The port has established a valid 10 Mbps network connection Steady The connection is in full-duplex mode FDX/COL Flashing Collision occurred in the 10/100 domain (full-duplex/collision) Off The connection is in half-duplex mode *Coll
Краткое содержание страницы № 11
Express Ethernet Switch CABLE 10BASE-T: 2-pair UTP Cat. 3, 4, or 5; 100BASE-TX: 2-pair UTP Cat. 5; 100BASE-FX: 62.5/125 multi-mode fiber-optic cable SWITCHING METHOD Store-and-Forward FORWARDING RATE 14,800 pps for 10 Mbps; 148,800 pps for 100 Mbps TEMPERATURE Operating: 32 to 104°F (0 to 40°C) Storage: -13 to +158°F (-25 to +70°C) HUMIDITY 10 to 90% non-condensing EMISSION COMPLIANCE AND SAFETY STANDARDS FCC part 15 Class B, CE Mark, VCCI, cUL 11
Краткое содержание страницы № 12
Express Ethernet Switch Table 8: Specifications per model Model Dimension "W x "D x "H Weight Output Pwr LB9002A-SC/ST 10 x 5.3 x 1.4 2.1 lb. 100-250VAC 7W 0.9 kg 25.4 x 13.5 x 3.6 cm 47-63 Hz Installation Quick Tip Install a Black Box Express Ethernet Switch as a plug-and-play device. No special configuration is required. Details below are consistent with the installation of any electronic device Place the Black Box Express Ethernet Switch where it will not be subjected to extr
Краткое содержание страницы № 13
Express Ethernet Switch The cable must be a Category 5 shielded twisted-pair or unshielded twisted-pair (STP/UTP) cable for 100BASE-TX, or Category 3, 4, or 5 STP/UTP cable for 10BASE-T. Consult Table 9 for further details. Fiber-optic cabling Prepare a pair of fiber optic cables with SC or ST type connectors at both ends. The cable for fiber ports must be a 62.5/125 micron fiber-optic cable for 100BASE-FX. Consult Table 9 for further details. Table 9: Cable Specifications Speed Con
Краткое содержание страницы № 14
Express Ethernet Switch Trouble-shooting Guide This trouble-shooting guide describes problems that could occur with the Express Ethernet Switch. The guide states possible reasons for the problems, and possible steps to take to solve the problems. No Power to the Switch. Symptom: Power cord is connected to the switch, but all LEDs, including the Power LED, are off. Possible Solution Problem 1. Check both ends of the power cord to make certain that they are securely connected to
Краткое содержание страницы № 15
Express Ethernet Switch Transmission Problems Symptom: Connections across a LAN switch are slow or unreliable. Possible Solution Problem Express Ethernet Switches are all equipped with auto-negotiation to communicate with other DTEs on the network for the best available performance. Incorrect full- or half-duplex 1. Verify if the connected NIC is equipped with auto-negotiation (this is not the same as auto-sensing). settings 2. Change the DIP switch setting if available. 1. En
Краткое содержание страницы № 16
Express Ethernet Switch Trademarks Any trademarks are acknowledged to be the property of the trademark owners. Glossary 10BASE-T Networking standard for twisted-pair cabling capable of carrying data at 10 Mbps. Networking standard for two pairs of high-quality twisted-pair wires carrying data at 100 Mbps. 100BASE-TX Networking standard for fiber-optic cabling capable of carrying data at 100 Mbps. 100BASE-FX auto- Two-part process by which a network device automatically senses the
