User manual NETGEAR EN516 INSTALLATION GUIDE

[. . . ] Installation Guide for the Model EN516 Ethernet Hub NETGEAR NETGEAR Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone: 1-888-NETGEAR E-mail: support@NETGEAR. com www. NETGEAR. com M-EN516NA-1 September 2000 © 2000 by NETGEAR, Inc. All rights reserved. Trademarks NETGEARTM is a trademark of NETGEAR, Inc. Windows® is a registered trademark of Microsoft Corporation. [. . . ] You should ensure that the front and rear panel of all units to be connected are easily accessible for connecting cables and power and for monitoring the LED indicators. Package Contents The package should contain the following items: · · Model EN516 hub This manual Installation 3-1 Installation Guide for the Model EN516 Ethernet Hub · · · · · · AC power cord Rack mount kit Four rubber pads for installation on a flat surface One BNC T-connector One BNC terminator Warranty and Owner Registration Card Caution: Use the appropriate power cord as required by your national electrical codes and ordinances. Call your dealer if there are any wrong, missing, or damaged parts. Keep the carton, including the original packing materials. Use them to repack the hub if there is a need to return it for repair. Be sure to complete the Owner Registration Card and return it to NETGEAR to qualify for product updates and product warranty registration. Required Tools To install the hub on a flat surface, you do not need any special tools. However, to install the hub in a rack, you need the following tools: · · #1 Phillips screwdriver to attach mounting brackets #2 Phillips screwdriver to tighten mounting screws Installing the Hub To install the Model EN516 hub, follow these steps: 1. Choose a location near the devices to be connected and close to an electrical outlet. Follow the instructions for installing the hub on a flat surface or in a rack. 3-2 Installation Installation Guide for the Model EN516 Ethernet Hub Installing the Hub on a Flat Surface To install the hub on a flat surface such as a tabletop or shelf, follow these steps: 1. Install self-adhesive pads on the bottom of the hub. Peel off the protective backing from the rubber pads and apply one at each marked location on the bottom of the hub. 2. Set the hub on a tabletop or shelf so that it has at least 2 inches (5 cm) of space on all sides. Restricted air flow could cause overheating. 3. Install any PCs, additional hubs, or other devices in your stack. For information on connecting the hub, refer to "Connecting the Hub" on page 3-4. Installing the Hub in a Rack To install the hub in a rack, follow these steps: 1. Attach the mounting brackets (supplied in the rack mounting kit) to the sides of the hub using the screws provided. Hold a mounting bracket against each side of the hub, as shown in Figure 3-1, and align the countersunk screw holes in the bracket with the bracket mounting holes in the hub. Use a #1 Phillips screwdriver to tighten the screws to secure each bracket. 2. Attach the hub (with the mounting bracket) to the rack using two pan-head screws with nylon washers. Use a #2 Phillips screwdriver and tighten the screws to secure the hub to the rack. 3. Install any PCs, additional hubs, or other devices in your stack. For information on connecting the hub, refer to "Connecting the Hub" on page 3-4. Installation 3-3 Installation Guide for the Model EN516 Ethernet Hub . 1 Power Data Collisi on Link RX 9 Link RX 8 Norma 16 l/Uplin k 7171 Figure 3-1. Installing mounting brackets to the hub and to a rack Connecting the Hub This section discusses connecting to the hub, cascading to multiple hubs, and connecting to other NETGEAR products. For instructions on connecting to the ports or connecting to other NETGEAR products, refer to the following sections: · · · · "Connecting to the RJ-45 Ports" on this page "Connecting to the BNC Port" on page 3-7 "Connecting to the AUI Port" on page 3-9 "Connecting to Other NETGEAR Products" on page 3-10 Connecting to the RJ-45 Ports You can connect PCs, Apple Macintosh computers, UNIX workstations, and any device equipped with a 10BASE-T Ethernet interface to the RJ-45 ports on the Model EN516 hub using twisted pair Ethernet cables. The twisted pair cable extended from an RJ-45 port (or UTP port) is called a twisted pair segment and can be up to 100 m in length. The UTP ports, with the exception of port 16, are MDI-X (or Normal) ports. To connect any of the Normal ports to a PC, a server, or another device with an MDI (or Uplink) port, you can simply use a regular UTP cable. To connect any of the Uplink ports to another Uplink port, use an RJ-45 crossover cable. 3-4 Installation Installation Guide for the Model EN516 Ethernet Hub Port 16 is switchable between Normal (MDI-X) and Uplink (MDI) positions and should be configured according to the following guidelines: · · Set the Normal/Uplink push button to the Normal position and use a straight-through cable if the remote end of the cable is connected to an MDI-wired device such as a PC. Set the Normal/Uplink push button to the Uplink position and use a straight-through cable if the remote end of the cable is connected to an MDI-X device such as a 10 Mbps or 100 Mbps hub or repeater. For further cabling guidelines, refer to Appendix B, "Cabling Specifications. " Refer to the following illustrations for connecting to the RJ-45 ports and proceed to "Completing and Verifying the Installation" on page 3-11. Figure 3-2 illustrates a workstation connected to an RJ-45 port on the Model EN516 hub. 1 2 1 Power Data Collisi on Link RX 9 Link RX 8 Norma 16 l/Uplin k 34FA Key: 1 = Network adapter card with RJ-45 connector 2 = UTP cable to Model EN516 hub Figure 3-2. Connecting a workstation to an RJ-45 port on the Model EN516 hub Note: Ethernet specifications limit segments to 328 feet (100 m) in length. Installation 3-5 Installation Guide for the Model EN516 Ethernet Hub Cascading refers to connecting hubs together to increase the number of ports, or the number of users supported on the network. The RJ-45, BNC, or AUI ports can be used to cascade hubs together. [. . . ] See page iii for the phone number of Customer Support in your area. 4-4 Troubleshooting Appendix A Technical Specifications This appendix provides technical specifications for the NETGEAR Model EN516 Ethernet Hub. General Specifications Network Protocol and Standards Compatibility IEEE 802. 3 10BASE-T, 10BASE-2, 10BASE5 Ethernet IEEE 802. 3 CSMA/CD Data Rate 10 Mbps, Manchester encoded Interface 16 10BASE-T ports (RJ-45) 1 BNC 10BASE-2 port 1 AUI port (15 pin D-type) Power Adapter 100-240V, 50/60 Hz (auto selection) Electrical Specifications Power Consumption: Physical Specifications 0. 15 A maximum Width: Height: Depth: Weight: 13. 0 inches (33 cm) 1. 7 inches (4. 3 cm) 8. 0 inches (20. 3 cm) 4. 8 lb (2. 2 kg) Technical Specifications A-1 Installation Guide for the Model EN516 Ethernet Hub Environmental Specifications Operating temperature: 0° C to 40° C (32° F to 104° F) Operating humidity: 90% maximum relative humidity, noncondensing Electromagnetic Emissions CE mark, commercial FCC Part 15 Class A EN 55 022 (CISPR 22), Class B VCCI Class 1 ITE Electromagnetic Susceptibility CE mark, commercial Electrostatic discharge (ESD): Radiated electromagnetic field: Electrical fast transient/burst: Electrical surge: Safety Agency Approvals IEC 801-2, Level 2/3/4 IEC 801-3, Level 2 IEC 801-4, Level 2 IEC 801-5, Level 2 CE mark, commercial UL listed (UL 1950) CSA certified (CSA 22. 2 #950) TUV licensed (EN 60 950) A-2 Technical Specifications Appendix B Cabling Specifications This appendix provides specifications for cables used with the NETGEAR Model EN516 Ethernet Hub. Cable Specifications For 10 Mbps connections, Category 3, 4, or 5 cables can be used. NETGEAR highly recommends using Category 5 cable to avoid unnecessary expense or confusion if you upgrade to Fast Ethernet. Table B-1 lists the electrical requirements of Category 3, 4, and 5 cables. Table B-1. Specification Number of pairs Impedance Mutual capacitance at 1 KHz Maximum attenuation (dB per 100 m, at 20° C) Electrical requirements of Category 3, 4, and 5 cables Category 3 Four 100 ± 15% 6. 6 nF per 100 m at 4 MHz: 5. 6 at 10 MHz: 9. 8 at 16 MHz: 13. 1 Category 4 Four 100 ± 15% 5. 6 nF per 100 m at 4 MHz: 4. 3 at 10 MHz: 7. 2 at 16 MHz: 8. 9 Category 5 Four 100 ± 15% 5. 6 nF per 100 m at 16 MHz: 8. 2 at 31 MHz: 11. 7 at 100 MHz: 22 NEXT loss (dB minimum) at 4 MHz: 32 at 10 MHz: 26 at 16 MHz: 23 at 4 MHz: 47 at 10 MHz: 41 at 16 MHz: 38 at 16 MHz: 44 at 31 MHz: 39 at 100 MHz: 32 Cabling Specifications B-1 Installation Guide for the Model EN516 Ethernet Hub Twisted Pair Cables For two devices to communicate, the transmitter of each device must be connected to the receiver of the other device. The crossover function is usually implemented internally as part of the circuitry in the device. [. . . ]