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Summary of Contents for DEC EtherWORKS Hub 8TX
- Page 1 EtherWORKS Hub 8TX Installation Guide Order Number: EK-DELXR-OM. A01 November 1995 This document describes how to install and operate the EtherWORKS Hub 8TX repeater. Revision/Update Information: This is a new document.
- Page 2 FCC Class A Certification FCC ID: HEDEH3042S-TX This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
- Page 3 November 1995 Digital Equipment Corporation makes no representations that the use of its products in the manner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.
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Page 5: Table Of Contents
Contents Preface ......................vii About This Manual ....................vii Introduction ....................1–1 Overview ......................... 1–1 Features ........................1–2 Hardware Description ................2–1 Introduction ......................2–1 Front Panel ......................2–2 Back Panel ......................2–4 Hardware Installation and Configuration..........3–1 Overview ......................... 3–1 Installation Procedure .................... - Page 6 Connector Pin Assignments..................5–4 Figures Figure 1 EtherWORKS Hub 8TX Kit Contents.............viii Figure 2–1 EtherWORKS Hub 8TX Front Panel ..........2–2 Figure 2–2 EtherWORKS Hub 8TX Back Panel ..........2–4 Figure 3–1 Standalone Configuration ..............3–3 Figure 3–2 Daisy-Chain Configuration ..............3–4 Figure 5–1 MJ Port Pin Assignments..............
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Page 7: Preface
Preface About This Manual Manual Contents This manual describes how to install and operate the EtherWORKS Hub 8TX repeater. Intended Audience This guide is designed for the experienced network installer. Conventions The following conventions are used in this manual: Convention Description Note Contains information of special importance. -
Page 8: Figure 1 Etherworks Hub 8Tx Kit Contents
Kit Contents The EtherWORKS Hub 8TX kit contains the following: • The EtherWORKS Hub 8TX repeater • This installation guide • Power cord (country-specific) Figure 1 EtherWORKS Hub 8TX Kit Contents LJ-4795.AI4 viii... -
Page 9: Introduction
Overview This guide contains information required to install and operate the EtherWORKS Hub 8TX repeater (hereafter referred to as the Hub 8TX). The Hub 8TX is a smart 8-port Class II 100BASE-TX repeater that complies with the IEEE 802.3u standard. The Hub 8TX is used for 100 megabits per second (100-Mb/s) Ethernet networks. -
Page 10: Features
Features Features The main features of the Hub 8TX are as follows: • Conforms to the IEEE 802.3u repeater specification and the 100BASE-TX standard • • Transmits data at 100 Mb/s for demanding applications • LED indicator panel includes utilization and collision rate LEDs for reporting repeater activity/configuration, and facilitating problem diagnosis •... -
Page 11: Hardware Description
Chapter Hardware Description Introduction This chapter briefly describes the important parts of the EtherWORKS Hub 8TX repeater Hardware Description 2–1... -
Page 12: Front Panel
LEDs to monitor port link and traffic, or partition conditions. The overall repeater status relates to power, network utilization, and collision rate. Figure 2–1 EtherWORKS Hub 8TX Front Panel EtherWORKS Hub 8TX 15 30 65+ Utilization %... - Page 13 Front Panel The following table lists and describes the possible LED states for the Hub 8TX. Item Color Description Power Green Lights when the repeater has power. Utilization Green Traffic is 1% to 30% of Ethernet bandwidth (100 Mb/s). Yellow Traffic is 30% to 65%.
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Page 14: Back Panel
When the daisy-chain port is used, port 8 cannot be connected to a station. ____________________________________________________________ Figure 2–2 EtherWORKS Hub 8TX Back Panel LJ-4796.AI4 Power Socket The power socket accepts AC power from 100 V to 240 V at 50 to 60 Hz. -
Page 15: Hardware Installation And Configuration
Chapter Hardware Installation and Configuration Overview This chapter describes how to install and configure the EtherWORKS Hub 8TX repeater. Once installed, you can configure the Hub 8TX as a standalone system, or in a network using up to eight systems. Hardware Installation and Configuration 3–1... -
Page 16: Installation Procedure
Installation Procedure Installation Procedure To install the Hub 8TX, complete the following steps: Step Action Select an appropriate table- or desk-top location. Connect your system to an available MJ8 port on the Hub 8TX using Category 5 UTP or ScTP cable. All end-node devices must be within 100 meters of the connected repeater. -
Page 17: Configuration
Configuration Configuration The Hub 8TX allows flexibility in configuring your network. You can use the repeater in a standalone or daisy-chain configuration. Standalone Configuration The Hub 8TX can be used in a simple standalone configuration (see Figure 3-1). In compliance with the IEEE 802.3u standard, the maximum cable distance between the repeater and any system is 100 meters. -
Page 18: Figure 3-2 Daisy-Chain Configuration
Configuration Daisy-Chain Configuration The Hub 8TX provides a daisy-chain port (8x or 8//) that you can use to easily connect to another compatible repeater (see Figure 3-2). Figure 3–2 Daisy-Chain Configuration 100M 100M LJ-4799.AI4 3–4 Hardware Installation and Configuration... -
Page 19: Cable Limitations
Cable Limitations Cable Limitations To configure your Hub 8TX network, use the following guidelines to ensure that the overall length between any two nodes does not exceed the limits set by the IEEE 802.3u standard: • The maximum cable length from any repeater port to an end node is 100 meters. -
Page 21: Problem Solving
Chapter Problem Solving Introduction This chapter describes the EtherWORKS Hub 8TX LED states and provides problem-solving information. Problem Solving 4–1... -
Page 22: Led Indications
LED Indications LED Indications The following table lists the LED states for various error conditions and suggest corrective actions.. Symptom Probable Cause Corrective Action Partition Hub 8TX has If port partitioning indicator turns partitioned has occurred, the 100BASE-TX 8-pin Hub 8TX will MJ port. -
Page 23: Problem-Solving Tips
Problem-Solving Tips Problem-Solving Tips Consider the following tips before you begin problem-solving procedures: • Ensure that the cable distances, repeater limits, and other physical aspects of the installation do not exceed IEEE 803.2u recommendations. • Verify that the cabling type used is correct, then tighten all cable connections. -
Page 25: General Information
Chapter General Information Introduction This chapter provides the following general EtherWORKS Hub 8TX repeater information: • Physical characteristics • Operating environment and power requirements • Pin assignments Physical Description The Hub 8TX repeater measures 10.75 inches (273 mm) by 6.54 inches (166 mm) and is 1.69 inches (42.9 mm) in height. -
Page 26: Operating Environment Specifications
Operating Environment Specifications Operating Environment Specifications The following table lists the operating environment and power requirements for the Hub 8TX. Specification Rating Operating temperature (sea level) 0°C to 40°C (standard operating) Relative humidity 5% to 95% (noncondensing) Radiated emissions FCC, CISPR Class A VCCI Class 1 CE Mark Safety UL... -
Page 27: Acoustical Specifications
Acoustical Specifications Acoustical Specifications The following table lists the acoustical specifications for the Hub 8TX. Acoustics - Preliminary declared values per ISO 9296 and ISO 779: Product Sound Power Level Sound Pressure Level (bystander positions) Idle/Operate Idle/Operate DELXR Current values for specific configurations are available from Digital Equipment Corporation representatives. -
Page 28: Connector Pin Assignments
Connector Pin Assignments Connector Pin Assignments The Hub 8TX 100 BASE-TX twisted-pair network connector pin signals are shown in Figure 5-1 and Figure 5-2, and explained in the following table.. Figure 5–1 MJ Port Pin Assignments LJ-4797.AI4 Figure 5–2 Straight-Through and Crossover Cable Pin Assignments Straight-Through Crossover (Hub) - Page 29 Connector Pin Assignments Assignment Assignment (Port 1x to 8x) (Daisy-Chain Port 8//) Input Receive Data+ Output Transmit Data+ Input Receive Data– Output Transmit Data– Output Transmit Data+ Input Receive Data+ Output Transmit Data– Input Receive Data– 4,5,7,8 Not used Not used General Information 5–5...
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