Compaq Netelligent 1005 Manuale utente
NETELLIGENT 1005
10BASE-T HUB
USER GUIDE
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iii
Writer: Chris Seiter Project: Notice Comments:
File Name:1005_N1.DOC Last Saved On:5/15/97 3:11 PM
NOTICE
The information in this publication is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR
EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR
USE OF THIS MATERIAL.
This publication contains information protected by copyright. No part of this publication may be
photocopied or reproduced in any form without prior written consent from Compaq Computer
Corporation.
The software described in this guide is furnished under a license agreement or non-disclosure agreement.
The software may be used or copied only in accordance with the terms of the agreement.
Product names mentioned herein may be trademarks and/or registered trademarks of their respective
companies.
1997 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
Compaq
Registered United States Patent and Trademark Office.
Netelligent is a trademark of Compaq Computer Corporation.
Compaq Netelligent 1005 10Base-T Hub User Guide
First Edition (June 1997)
Part Number 167173-001
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Compaq Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Compaq Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005_T.DOC Last Saved On:5/8/97 9:21 PM
Contents
Netelligent 1005 10Base-T Hub
Package Contents............................................................................................................. 1
Hardware Description...................................................................................................... 2
LED Indicators ......................................................................................................... 2
RJ-45 Ports ............................................................................................................... 3
Power Connector ...................................................................................................... 3
Installing the Hub ............................................................................................................ 3
Using the Hub Stand................................................................................................. 3
Making Hub Connections......................................................................................... 4
Troubleshooting............................................................................................................... 5
Other Important Tips................................................................................................ 5
Hub's RJ-45 Pin Assignments.......................................................................................... 6
Specifications................................................................................................................... 7
EMI Warning................................................................................................................... 8
The Interference Handbook...................................................................................... 9
VCCI Class 2 Compliance........................................................................................ 9
EN55022 Declaration of Conformance.................................................................... 9
CE Mark Declaration of Conformance................................................................... 10
Sicherheitshinweise................................................................................................ 10
Index
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1
Compaq Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
Netelligent 1005
10Base-T Hub
This guide contains information necessary to install and operate the Netelligent
1005 10Base-T Hub. The guide is designed for the experienced network
installer. Please read through the following information to familiarize yourself
with the hub’s features and installation requirements.
Package Contents
Your package includes the following:
QNetelligent 1005 10Base-T Hub
QHub stand
QCompaq Netelligent User Guide CD
QCompaq Netelligent 10Base-T Hub Quick Install Guide
QPower Adapter
QWarranty Registration Card
NOTE: The Netelligent 1005 10Base-T Hub comes with a 3-year warranty. To
qualify the hub for a lifetime warranty, please fill in the enclosed Warranty
Registration Card and return it to the Compaq location nearest you as indicated on
the card.
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Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
Hardware Description
This section describes the hub’s main components. The following illustration
shows the hub’s front panel, back panel, and hub stand.
Figure 1 . Front and Side Panels, and Hub Stand
LED Indicators
The 1005 hub provides LED indicators that let you instantly monitor the status
of each port plus the overall status of the hub.
LED Color Indication
Power Green Power indicator.
Utilization 40% Yellow Traffic is 40% or more of Ethernet bandwidth (10Mbps).
Yellow Collision indicator; flashes to show network collision.Collision
Unlit No collisions.
Green RJ-45 port linked; flashes to indicate traffic is being received.Link-RX/Partition
Yellow RJ-45 port partitioned.
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Compaq Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
RJ-45 Ports
There are five RJ-45 MDI-X station ports and one RJ-45 MDI uplink port, each
providing a 10 Mb/s Ethernet channel. To connect to a workstation or server,
attach straight-through unshielded or shielded twisted-pair cabling to any station
port.
To connect to another Netelligent 1005 or compatible hub, attach straight-
through twisted-pair cabling to the UPLINK port. You can also connect to
another hub by running straight-through twisted-pair cabling from a station port
on this hub to a crossover port on the other hub. However, if you must connect
to another hub via stations ports at both ends of the cable, use crossover cabling.
NOTE: Using the UPLINK port disables Port 5.
Power Connector
The power adapter plugs into this connector. The power adapter plugs into the
main AC power source at 100V, 120V, 220-230V, or 240V at 50 to 60Hz.
Installing the Hub
This section describes different ways of using the supplied hub stand and
explains how to attach the hub to devices in your network.
Using the Hub Stand
You can attach and use the hub stand in the following ways:
QTo stand the hub upright on a desk or shelf, slide the stand onto the base
of the hub.
QTo lay the hub flat, slide the stand onto the back of the hub.
QTo mount the hub directly on a wall or office partition, first attach the
stand to the mounting location with two small screws. Then slide the
back of the hub onto the stand.
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Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
Making Hub Connections
Follow these steps to connect the hub to devices in your network.
1. Select an appropriate location.
2. Connect a workstation to any available RJ-45 station port (1-5) on the
hub using unshielded twisted-pair (UTP) cable. All connected devices
must be within 100 meters of the hub. You can connect up to five
workstations if you use the hub in a stand-alone configuration.
Uplinking Hubs
To uplink hubs, connect one hub’s UPLINK port to a normal
workstation port of another 1005 or compatible hub.
To limit the number of hubs in a path (when cascading more than two
hubs), link several hubs to one central hub. Be sure there is only one
path between any two stations on the network.
3. Plug the power adapter into the hub, and connect it to a grounded
electrical outlet.
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5
Compaq Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
Troubleshooting
Symptom: The partition indicator lights steadily or flashes.
Causes: The hub has a partitioned port, or a workstation’s network adapter or
network software is defective. Flashing green and yellow indicates activity
while the port is partitioned.
Solution: If a port has been partitioned, the hub automatically enables the port
when the fault is corrected, or the hub detects activity without incurring a
collision.
Symptom: The port link indicator remains off.
Causes: A workstation’s network adapter, cable, or hub port is defective.
Solution: The most common cause is a defective network adapter or cable
connection. Check the corresponding cable connections, or the workstation’s
network adapter for possible defects. Verify that the correct cable type (straight
or crossover) is being used. (Note that crossover cable is only required if you
cascade hubs via the RJ-45 station ports; that is, the UPLINK port is not used.)
Replace the defective cable or adapter.
Other Important Tips
QEnsure that cable distances, repeater limits, and other physical aspects of
the installation do not exceed IEEE 802.3 recommendations.
QVerify that the cabling type used is correct. Then tighten all cable
connections.
QBe sure the network adapter cards installed in the workstations and
cable connections are in good working condition.
QBe sure the network is properly configured and that all hubs are
connected to the network. Sometimes, hubs may be unintentionally
disconnected from the network.
QYou cannot use Port 5 and the UPLINK port at the same time. Be sure
that when you use the UPLINK port, Port 5 is not connected to a node.
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6
Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
Hub's RJ-45 Pin Assignments
The following table and illustrations show the pin wiring for both straight and
crossover twisted-pair cable. (Note that crossover cable is required only if you
cascade hubs using RJ-45 Ports 1-5; that is, the UPLINK port is not used.)
Pin
MDI-X Assignment
(Port 1~5)
MDI-Assignment
(UPLINK Port)
1 Input Receive Data + Output transmit Data +
2 Input Receive Data - Output transmit Data -
3 Output transmit Data + Input Receive Data +
6 Output transmit Data - Input Receive Data -
4,5,7,8 Not Used Not Used
Figure 2 . RJ-45 Pin Configuration
Straight-Through Crossover
(Hub) (Adapter) (Hub) (Hub)
1 IRD+ 1 OTD+ 1 IRD+ 1 IRD+
2 IRD- 2 OTD- 2 IRD- 2 IRD-
3 OTD
+
3 IRD+ 3 OTD+ 3 OTD+
6 OTD- 6 IRD- 6 OTD- 6 OTD-
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7
Compaq Netelligent 1005 10Base-T Hub User Guide
Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:
File Name:1005.DOC Last Saved On:6/26/97 11:19 AM
Specifications
Transmission Technique: Baseband
Topology: Tree or Star
Access Method: CSMA/CD, 10 Mb/s
Standard Conformance: IEEE 802.3 10Base-T
Media Supported: Category 3, 4, 5 twisted-pair cable
Interfaces: Five RJ-45 station ports, One RJ-45
uplink port
Hub-to-Workstation Distance: 100m max cable length
Dimensions: 4.72 x 3.78 x 1.10 Inches
(12.1 x 9.7 x 2.82 cm)
Power Requirements: 8VAC, 50/60 Hz, 5 watts
Power Adapter: External power
adapter - 8 VAC, 8VA for
100V/120V/220-230V/240V AC input
Temperature: 0°C to 50°C (Standard Operating)
Humidity: 5% to 95% (Noncondensing)
Certification: CE Mark
Emissions: FCC Class B, VCCI Class 2,
CISPR Class B
Immunity: IEC 801-2,3,4, EN60555-2 Class D,
EN60555-3
Safety: UL, CSA, TÜV/GS
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