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Intel Express 100BASE-T4 Stackable Hub User Guide 656943-002.
First edition August 1996 Second edition December 1996 Copyright © 1996, Intel Corporation. All rights reserved. Intel Corporation, 5200 NE Elam Young Parkway, Hillsboro OR 97124-6497 Intel Corporation assumes no responsibility for errors or omissions in this manual.
Contents Quick Start 1 Chapter 1 Overview 3 Features ............................................................................................................................................ 3 Physical Description ..................................
iv CONTENT S Intel Express 100BASE-T4 Stackable Hub Index 37 Customer Support Inside back cover.
1 Quick Start 1 Install the hub(s). Maximum stack: Six hubs Rack requirements: Standard 19-in (48.26 cm), 1.5 EIA rack-mount space for each hub Shelf requirements: Support for 10 lbs (4.5 kg) per hub 12.3 lbs (5.6 kg) with uplink module and NMM 2 Connect the stack.
Overview This chapter includes a summary of the Intel Express 100BASE-T4 Stackable Hub’s features and a physical description of the hub and its components. Features Key features of the Intel Express 100BASE-T4 Stackable Hub • Compatibility with the IEEE 802.
4 CHAPTER 1 Intel Express 100BASE-T4 Stackable Hub Physical Description Front panel The front panel of the Express Stackable Hub provides twelve 100BASE-T4 ports, an LED matrix (see “LED matrix” later in this chapter for a description of LEDs), a media adapter slot, and an expansion slot.
5 Overview CHAPTER 1 LED matrix The LED matrix on the Express Stackable Hub’s front panel allows you to view the hub’s operational status, collisions, network utilization, NMM status, and port status. The following table describes the LEDs on the matrix.
6 CHAPTER 1 Intel Express 100BASE-T4 Stackable Hub Label Type Color Meaning Data % Network utilization Green Dynamically indicates the percentage of network utilization for the Ethernet segment in a hub or a stack of hubs.
7 Overview CHAPTER 1 Rear panel The rear panel of the Express Stackable Hub provides an AC power receptacle, a redundant power connector (not supported), and two cascade cable connectors. Power receptacle The AC power receptacle is provided for connecting to an AC power outlet.
8 CHAPTER 1 Intel Express 100BASE-T4 Stackable Hub Media adapter slot The media adapter slot is located in the upper-left corner of the Express 100BASE-T4 Stackable Hub and accommodates two types of o.
2 Installing the Express Hub Requirements Rack installation Standard 19-in. (48.26 cm.) EIA equipment rack requirements 1.5 EIA rack-mount spaces available for each hub Table and shelf Approximately 13.25-in. (33.66 cm.) by 19.25-in. installation requirements (48.
10 CHAPTER 2 Intel Express 100BASE-T4 Stackable Hub CAUTION Don’t connect the power cord to a hub until all hubs are installed, connected together through cascade cables, and ready for operation. Installing a Single Hub To install the hub in a rack 1 Attach the mounting brackets to the sides of the hub.
11 Installing the Express Hub CHAPTER 2 Stacking Hubs You can install a maximum of six hubs in an equipment rack or on a shelf or a table. Once the hubs are stacked and secured, connect them using Intel cascade cables. The cascade cable is a unique cable for Express Stackable Hubs.
12 CHAPTER 2 Intel Express 100BASE-T4 Stackable Hub Installing Uplink Modules You can install an optional 100BASE-TX or 100BASE-FX uplink module in the media adapter slot.
13 Installing the Express Hub CHAPTER 2 Adding a Network Management Module (NMM) After powering down the hub, install the NMM in the hub at the top of your stack.
Connecting the Devices Connecting Cables to the Hub Connect devices directly to ports on the Express 100BASE-T4 Stackable Hub or to ports on installed uplink modules. This illustration shows how to connect a UTP cable to an RJ-45 connector and a fiber optic cable to an SC connector.
16 CHAPTER 3 Intel Express 100BASE-T4 Stackable Hub You can connect the following 100 Mbps devices to the ports on the Express Stackable Hub and optional uplink modules: • Workstations • Servers .
17 Connecting the Devices CHAPTER 3 • The Data % LEDs light green on each hub, indicating the overall network utilization percentage of the Ethernet segment. Because a stack of hubs is a single segment, utilization is the same for each hub in the stack.
18 CHAPTER 3 Intel Express 100BASE-T4 Stackable Hub Unit Numbering Convention When Express Hubs are stacked, cascaded, and powered, they are assigned “unit” numbers that are stored in the hub’s nonvolatile memory. Hub numbers are assigned according to a hub’s physical location in the stack.
19 Connecting the Devices CHAPTER 3 Using a Switch to Connect Hubs Integrating switching into the network enables network segmentation, which increases the total capacity and performance. You can add 100 Mbps workgroups to the network and connect them to individual ports on a Fast Ethernet switch.
20 CHAPTER 3 Intel Express 100BASE-T4 Stackable Hub Connecting to Non- 100BASE-T4 devices Connecting to 100BASE-TX devices You have two options for connecting the Express 100BASE-T4 Stackable Hub to a.
21 Connecting the Devices CHAPTER 3 Routing server If you’re using a NOS that supports multi-protocol routing, such as Novell NetWare * or Windows NT * , an inexpensive way to connect the 100BASE-T4 and 100BASE-TX segments is to install both a 100BASE-T4 and 100BASE-TX LAN adapter in your server and let the server bridge the segments.
22 CHAPTER 3 Intel Express 100BASE-T4 Stackable Hub 100BASE-TX Uplink Module and 10/100 Downlink Intel’s 100BASE-TX Uplink Module fits in the hub’s media adapter slot and allows you to connect to 100BASE-TX devices, such as the Express 10/100 Downlink.
Fast Ethernet Topology Rules This appendix describes • 100BASE-T physical layer media specifications • repeater rules For a complete explanation of the set of 100BASE-T rules and guidelines, refer to the Institute of Electrical and Electronics Engineers (IEEE) 100BASE-T 802.
24 APPENDIX A Intel Express 100BASE-T4 Stackable Hub Media Cable Connector Coding specification type(s) type(s) scheme 100BASE-T4 CAT 3, 4, 5 UTP RJ-45 8B/6T (4-pair wire) 100BASE-TX CAT 5 UTP RJ-45 4B/5B (2-pair wire) 100BASE-FX 62.
25 Fast Ethernet Topology Rules APPENDIX A Repeater rules The 100BASE-T standard defines two types of repeaters — Class I and Class II. The Express Stackable Hub is a Class I repeater. Class I repeaters (sometimes called translational repeaters) limit the number of repeaters in a physical domain to one.
26 APPENDIX A Intel Express 100BASE-T4 Stackable Hub Network Topology Extensions You can extend the network topology by connecting Express Stackable Hubs to a switching hub. In the illustration below, the network topology is extended to a maximum of 400 meters (1312 feet).
27 Fast Ethernet Topology Rules APPENDIX A In the next illustration, the network topology is extended to a maximum distance of 491 meters (1610 feet). In this network, a 160 meter (524 feet) fiber link connects the 100BASE-TX repeater to the switch, and a 131 meter (429 feet) fiber link connects the 100BASE- T4 repeater to the switch.
28 APPENDIX A Intel Express 100BASE-T4 Stackable Hub You can extend the 100BASE-T network topology further by interconnecting the switches using fiber links. Interconnecting two switches creates a network that contains four separate collision domains.
Optional Equipment and T echnical Specifications This appendix describes optional equipment supported by the Express 100BASE-T4 Stackable Hub and provides technical specifications for the hub.
30 APPENDIX B Intel Express 100BASE-T4 Stackable Hub Network Management Module (NMM) The Intel Express Stackable Hub Network Management Module (Intel product code EC100NMM) fits into the expansion slo.
31 Optional Equipment and Technical Specifications APPENDIX B Technical Specifications Network Protocol and Standards Compatibility IEEE 802.3u 100BASE-T Data Rate T4: 100 Mbps with 8B/6T coding schem.
32 APPENDIX B Intel Express 100BASE-T4 Stackable Hub Safety Agency Approvals UL listed (UL 1950) Third Edition UL listed for Canada TUV certified to IEC 950 Second Edition plus A1/A2 and EN60950 A1/A2.
33 Optional Equipment and Technical Specifications APPENDIX B Statement of Conditions In the interest of improving internal design, operational function, or reliability, Intel Corp. reserves the right to make changes to the products described in this document without notice.
34 APPENDIX B Intel Express 100BASE-T4 Stackable Hub WARNING The system is designed to operate in a typical office environment. Choose a site that is: · Clean and free of airborne particles (other than normal room dust). · Well ventilated and away from sources of heat including direct sunlight.
35 Optional Equipment and Technical Specifications APPENDIX B AVVERTENZA Il sistema è progettato per funzionare in un ambiente di lavoro tipico. Scegliere una postazione che sia: · Pulita e libera da particelle in sospensione (a parte la normale polvere presente nell’ambiente).
36 APPENDIX B Intel Express 100BASE-T4 Stackable Hub Limited W arranty Intel warrants to the original owner that the product delivered in this package will be free from defects in material and workman.
37 I Index 1 Media Adapter LED operating conditions 6 v er ifying installa tion 17 100BASE-FX data rate 31 de vices, connecting to 21 distance limitations 24, 27 media specif ica tion 24 uplink module.
38 INDE X Intel Express 100BASE-T4 Stackable Hub Coding schemes media specif ica tions 24 Col LED operating conditions 5 Conf idence test 16 Connecting cables 15 to 100B ASE-FX de vices 21 to 100B ASE.
39 Intel Express 100BASE-T4 Stackable Hub INDE X matrix 4 Mstr 6 Port Status 6, 17 Pwr 5, 16 Stat 5, 16 Length cables 24 collision domain 24 M– O Management module description 30 installing 13 n umb.
40 INDE X Intel Express 100BASE-T4 Stackable Hub Restr ictions, po w er cor ds 10 RJ-45 connectors connecting cable 15 hub front panel 4 interf ace options 32 media specif ica tion par ameter s 24 pin.
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