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Installation Manual SwitcHub-2s 2-Port Ethernet Switching Hub for 10BASE-T/100BASE-TX
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Copyright (c) 1996 by Accton Technology Corporation. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Accton Technology Corporation. Accton makes no warranties with respect to this documentation and disclaims any implied warranties of merchantability, quality, or fitness for any particular purpose. The information in this document is subject to change without notice. Accton reserves the right to make rev
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About this Guide This guide is designed for the experienced network installer. It describes how to install and operate Accton’s Fast SwitcHub-2s Ethernet switch. After reading this manual, you should be able to use the front display panel and configure options to manage all your network connections. This manual covers the following topics: ì Product description, summary of important features and specifications ì Brief description of the SwitcHub-2s ì Description of significant components of th
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Package Contents Carefully unpack the contents of the package and verify them against the checklist given below. Package Checklist æ SwitcHub-2s (Model No. EH3001-TX) æ AC power cord æ Installation manual æ Owner registration card Please inform your dealer immediately should there be any wrong, missing, or damaged parts. If possible, retain the carton, including the original packing materials. Use them again to repack the unit in case there is a need to return it for repair. To qualify for prod
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Quick Installation The SwitcHub-2s contains 2 Ethernet ports, each of which supports 100BASE-TX or 10BASE-T connections, operating at full or half-duplex. The smart design built into the front display panel and configure options, provides a friendly interface that simplifies installation and network troubleshooting. If you are already familiar with basic network operations, you should be able to install this switch as described below: 1. Unpack the SwitcHub-2s. 2. Find a location close to the
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Contents Chapter 1: Introduction........................................................... 1-1 Switching Technology...............................................................................................1-1 Accton’s Smart Extender (The Fast SwitcHub-2s)....................................................1-2 Features of the Fast SwitcHub-2s..............................................................................1-4 Chapter 2: Hardware Description ..................................
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SwitcHub-2s User’s Guide Setting the Display Mode ..........................................................................................3-5 Selections Available .............................................................................................3-6 Bandwidth Utilization.....................................................................................3-6 Packet Forwarding Ratio.................................................................................3-6 Packet Filterin
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SwitcHub-2s User’s Guide Appendix E: Product Support Services ................................ E-1 Product Registration..................................................................................................E-1 Problem Report .........................................................................................................E-1 Hardware Repair Service...........................................................................................E-1 Software Update and Upgrade Servi
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Chapter 1: Introduction Switching Technology The Ethernet Switch allows simultaneous transmission of multiple packets via an internal high-speed data channel. This means that it can partition a network more efficiently than bridges or routers in most environments. The Ethernet Switch is therefore fast being recognized as one of the most important building blocks for today’s networking technology. The learning function in the switching hub stores the address and corresponding port number of
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SwitcHub-2s User’s Guide Accton’s Smart Extender (The Fast SwitcHub-2s) Accton’s Smart Extender can boost network bandwidth fourfold, depending on your configuration (i.e., if running at 100Mbps and full-duplex operation for both ports). It provides two 10/100 Mbps RJ-45 ports (set at full or half-duplex) to connect to either a subnetwork, or directly to a server or key workstation. In addition to partitioning an overloaded network, it provides connection between legacy 10BASE-T networks and
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SwitcHub-2s User’s Guide Traditional bridges and routers use a switching method called store-and- forward in which the entire frame must be received before the bridge can perform a table look-up for the destination node and forward the packet to the corresponding port. As a result, each packet is delayed by approximately 800 microseconds. It may be necessary to use store-and-forward when a lot data errors are occurring over the network, or when connecting to very slow devices. Compared to this
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SwitcHub-2s User’s Guide Features of the Fast SwitcHub-2s • Conforms to the IEEE 802.3 and IEEE 802.3u specifications, as well as 10BASE-T and 100BASE-TX standards • Provides two independent RJ-45 10BASE-T / 100BASE-TX Ethernet station ports, where each logical port consists of 1 MDI port (for connection to hubs or switches) and 1 MDI-X port (for connection to workstations or servers), eliminating the need for crossover cables • Both ports support full-duplex and half-duplex operation • Total
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SwitcHub-2s User’s Guide • Provides frame filtering and forwarding functions for each port, which are capable of filtering and forwarding 100% of all Ethernet packets at line speed • Provides a 160K byte buffer per port • Routing table contains 4K entries per port to store node MAC addresses • Uses fast hashing scheme to retrieve information from routing table when making routing decisions • An indicator panel for configuring the system or monitoring the overall condition of the switch, includin
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Chapter 2: Hardware Description Accton’s SwitcHub-2s is a highly reliable network switch that complies with IEEE 802.3 (10BASE-T) and IEEE 802.3u (100BASE-TX) specifications. This switching hub delivers superior performance compared to the bridge and router solution, and at a much lower cost. By confining local traffic to the originating segment, and only forwarding cross-segment traffic to the other port, this hub meets the requirements for Ethernet and IEEE 802.3 networks. This chapter descri
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SwitcHub-2s User’s Guide Configure Button The Configure button is located on the left front panel. This button is used to select the following configuration functions: • System Performance (displays relative bandwidth utilization rate, forwarding ratio, filtering ratio, and collision ratio for each port) • Full/Half Duplex (sets port communication mode to full-duplex or half- duplex operations) • Diagnostics (tests the status of various system components) To set system performance or diagnost
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SwitcHub-2s User’s Guide SmartWatch LED Panel The comprehensive LED array on the front panel (1) shows if the unit is receiving power, (2) indicates the current display mode, (3) displays network performance for each port, (4) indicates the status of port connections, and (5) shows the result of diagnostic tests. The following figure shows the LED indicators, each of which are described in the following sections. Power Display Mode Performance Indicators
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SwitcHub-2s User’s Guide Statistical Display for System Performance (Utilization, Forward, Filter & Collision Display Mode) Display Mode Port 1 Statistical Indicators Port 2 Value Color: Green and Orange Active LEDs: LED rows labeled 1 and 2 Function: Indicates a functional value for each port depending on the selected display mode. (Refer to the Configure Button section earlier in this chapter for instructions on how to select the display mode.) Label (%) Color Indication 90+ Ora
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SwitcHub-2s User’s Guide For example, if network utilization reaches 1%, the LED labeled 1% will light up. However, if network utilization rises above 1% (e.g., 35%), the LED labeled 35 and all the other LEDs before it (i.e., 1, 5, 10 and 20) will also light up in rapid succession. These indicators monitor the share of valid network frames handled by each port within a 10Mbps or 100Mbps bandwidth, depending on the Ethernet type currently selected on the back panel. They provide a quick way to
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SwitcHub-2s User’s Guide level marked on the front panel display, the corresponding LED lights up. For example, if packet collision reaches 1%, the LED labeled 1% will light up. + However, if collisions go beyond 1% (e.g., 30%), the LED labeled 30 % and all the other LEDs before it (i.e., 1, 5, 10 and 20) also light up in rapid succession. Setting the Communication Mode (Full/Half Duplex) Color: Green Active LEDs: Full/Half (Display Mode LED) Full (Port Status LED) Function: The communicati
