SW108.BK Page i Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch NETGEAR, Inc. A Bay Networks Company 48015 Warm Springs Blvd.
SW108.BK Page ii Friday, June 27, 1997 10:48 AM © 1997 by NETGEAR, Inc. All rights reserved. Trademarks Bay Networks is a registered trademark of Bay Networks, Inc. NETGEAR is a trademark of Bay Networks, Inc. Other brand and product names are registered trademarks or trademarks of their respective holders.
SW108.BK Page iii Friday, June 27, 1997 10:48 AM Voluntary Control Council for Interference (VCCI) Statement This equipment is in the first category (information equipment to be used in commercial and/or industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines that are aimed at preventing radio interference in commercial and/or industrial areas.
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SW108.BK Page v Friday, June 27, 1997 10:48 AM Contents Chapter 1 Introduction Benefits of Using Switching Technology .........................................................................1-1 Types of Ethernet Switches ............................................................................................1-2 Model SW108 Switch Overview .....................................................................................1-2 Features ..................................................................
SW108.BK Page vi Friday, June 27, 1997 10:48 AM Chapter 5 Troubleshooting Troubleshooting the Switch and the Network .................................................................5-1 Appendix A Technical Specifications General Specifications ................................................................................................... A-1 Appendix B Connector Pin Assignments RJ-45 Plug and vista RJ-45 Connector .........................................................................
SW108.BK Page vii Friday, June 27, 1997 10:48 AM Figures Figure 2-1. Figure 2-2. Figure 2-3. Front panel of the Model SW108 switch ..................................................2-1 The vista RJ-45 connector with built-in LEDs ..........................................2-2 Rear panel of the Model SW108 switch ...................................................2-4 Figure 3-1. Figure 3-2. Using the Model SW108 switch for desktop switching .............................
SW108.BK Page viii Friday, June 27, 1997 10:48 AM Tables viii Table 2-1. LED descriptions ......................................................................................2-3 Table 5-1. Troubleshooting ........................................................................................5-1 Table B-1. RJ-45 plug and vista RJ-45 connector pin assignments ......................... B-2 Table C-1. Electrical requirements of Category 3, 4, and 5 cables ..........................
SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Chapter 1 Introduction Congratulations on your purchase of the NETGEAR™ Model SW108 8-port Ethernet Switch. The Model SW108 switch segments Ethernet networks to relieve bandwidth congestion instantly, without having to replace network wiring, interface cards, or software. This guide describes how to install and use the switch.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch This bandwidth improvement is accomplished very easily, with no change to the desktop (the network interface cards or software, and network wiring). As a result, the performance upgrade and the applications it enables are obtained very quickly and at a low cost. Types of Ethernet Switches Ethernet switches can be classified in different ways—as desktop switches or segment switches.
SW108.BK Page 3 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Features The Model SW108 switch has the following key features: • Eight switched, 10 Mbps, Ethernet 10BASE-T ports • Full-duplex or half-duplex mode of operation Full-duplex mode doubles throughput of point-to-point connections by letting individual ports transmit and receive concurrently when the connecting device also supports full-duplex mode.
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SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Chapter 2 Physical Description This chapter explains the hardware features of the NETGEAR Model SW108 Ethernet switch. It is divided into sections explaining the front and rear panels of the switch. Use the key at the bottom of each illustration to identify the panel components.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Ethernet Ports The Model SW108 switch is equipped with eight 10 Mbps Ethernet ports that support one cable connection, unshielded twisted pair (UTP) cable. An eight-pin RJ-45 plug is used for connection to these ports. Each port uses vista RJ-45 connectors that have built-in LEDs, as illustrated in Figure 2-2.
SW108.BK Page 3 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch LEDs You use LEDs on the Model SW108 switch to monitor and diagnose the devices. LEDs on the front panel of the switch and two LEDs on each port allow you to identify the following information: • Status of the switch power supply • Data transmission or receive activity • Collision occurrence • Full- or half-duplex transmission Table 2-1 describes each LED on the front panel of the switch.
SW108.BK Page 4 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Rear Panel As illustrated in Figure 2-3, the rear panel has full-duplex (FDX), and half-duplex (HDX) toggle switches, a ground clip, and a standard AC power receptacle.
SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Chapter 3 Applications This chapter presents an overview of the levels of service provided by incorporating the technology of the NETGEAR Model SW108 Ethernet switch into your network. The Model SW108 Ethernet switch is designed to provide flexibility in configuring your network connections. Each switch can be used as a standalone device or can be used with 10 Mbps hubs or other interconnection devices in various configurations.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Desktop Switching Figure 3-1 illustrates the Model SW108 switch used as a desktop switch to build a small network that enables users to have 10 Mbps access to a file server. 1 2 3 7630EA Key: 1 = Server with 10 Mbps connection 2 = Model SW108 Ethernet switch (Normal/Uplink push button set to Normal position) 3 = PCs with 10 Mbps connection Figure 3-1.
SW108.BK Page 3 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Segment Switching The Model SW108 switch can segment a network into multiple connected pieces, increasing overall bandwidth and throughput. Figure 3-2 illustrates the Model SW108 Ethernet switch segmenting networks that are built with the NETGEAR Model EN104 and Model EN108 Ethernet hubs.
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SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Chapter 4 Installation This chapter provides information about installing the Model SW108 Ethernet switch and information about verifying installation. Preparing the Site Before you begin installing the switch, prepare the installation site. Make sure the operating environment meets the physical requirements of the equipment as described in Appendix A, “Technical Specifications.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Installing the Switch on a Desktop Choose a location near the devices to be connected and close to an electrical outlet. Set the switch on a desktop or tabletop, allowing at least two inches (5 cm) of space on all sides to prevent restriction of airflow.
SW108.BK Page 3 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch 3. Set the FDX or HDX toggle switches on the rear panel for the selected duplex mode. A hub and repeater use a common collision domain for all communications and cannot support full-duplex mode. When connecting any of the 10 Mbps ports on the switch to a hub, set the port to HDX.
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SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Chapter 5 Troubleshooting This chapter provides information about troubleshooting the NETGEAR Model SW108 Ethernet switch. Troubleshooting the Switch and the Network To troubleshoot the switch and the network, refer to Table 5-1. Table 5-1. Troubleshooting Symptom Activity Check No power at switch Power LED off Check the power cord connections and make sure the ends are properly plugged into the switch and the wall outlet.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Table 5-1. Troubleshooting (continued) Symptom Activity Check Port connection not functioning Link LED off or intermittent After the cabling has been installed, if the Link LED is not lit on an active port, check the attached device and make sure that it is powered on and there is a proper UTP connection at that end.
SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Appendix A Technical Specifications This appendix provides technical specifications for the NETGEAR Model SW108 switch. General Specifications Network Protocol and Standard ISO/IEC 802-3 (ANSI/IEEE 802.3i 10BASE-T, Ethernet Data Rate 10 Mbps Manchester encoded Interface RJ-45 connector for 10BASE-T Ethernet interface Electrical Specifications Power Consumption: 12.7 W Input Voltage: 12 V dc Physical Specifications Dimensions: (W) 9.3 by (H) 1.
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SW108.BK Page 3 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Safety Agency Approvals for Power Adapter CE mark, commercial UL listed (UL 1950) CSA certified (CSA 22.
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SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Appendix B Connector Pin Assignments This appendix provides information about the RJ-45 connector used for the NETGEAR Model SW108 Ethernet switch. RJ-45 Plug and vista RJ-45 Connector The RJ-45 plug accepts 4-pair unshielded twisted pair (UTP) or shielded twisted pair (STP) 100 Ω cable and connects into the vista RJ-45 connector.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Table B-1 lists the pin assignments for the RJ-45 plug and the vista RJ-45 connector. Table B-1.
SW108.BK Page 1 Friday, June 27, 1997 10:48 AM Appendix C Cabling Guidelines This appendix provides information on the cable specifications and guidelines for Category 5 UTP cabling used with the NETGEAR Model SW108 Ethernet switch. Ethernet Technology When 10BASE-T technology was originally introduced, multiple repeaters were frequently used to build large networks.
SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Table C-1 lists the electrical requirements of the Category 3, 4, and 5 cables. Table C-1. Electrical requirements of Category 3, 4, and 5 cables Specification Category 3 Category 4 Category 5 Number of pairs Four Four Two or Four Impedance 100 Ω ± 15% 100 Ω ± 15% 100 Ω ± 15% Mutual capacitance at 1 KHz ≤6.6 nF per 100 m ≤5.6 nF per 100 m ≤5.6 nF per 100 m at 4 MHz: 5.6 at 10 MHz: 9.
SW108.BK Page 3 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch Figure C-1 illustrates straight-through twisted pair cable connections. 1 1 2 2 Tx Rx A B 3 3 6 6 Tx Rx 736EA Key: A = Uplink or MDI port (As on a PC) B = Normal or MDI-X port (As on a hub or switch) 1, 2, 3, 6 = Connector pins Figure C-1. Straight-through twisted pair cable Figure C-2 illustrates crossover twisted pair cable connections.
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SW108.BK Page 2 Friday, June 27, 1997 10:48 AM Installation Guide for the Model SW108 Ethernet Switch P V package contents, 4-1 ports, 10 Mbps, 2-1, 2-4 Power LED, 2-1, 2-3, 4-3, 5-1 vista RJ-45 connector illustration, 2-2 pin assignments, B-1 troubleshooting, 5-2 R rear panel, 2-4 RJ-45 connector.
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