3Com 3C10220 - Ethernet Power Source Supply User manual
http://www.3com.com/
3Com®
Ethernet Power Source
Guide
3C10220 - 12-Port Ethernet Power Source
3C10222 - 24-Port Ethernet Power Source
Part Number: 10038538-01 Rev B
Published: November 2000
3Com Corporation
5400 Bayfront Plaza
Santa Clara, California
95052-8145
Copyright © 2000, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced
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adaptation) without written permission from 3Com Corporation.
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to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.
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changes in the product(s) and/or the program(s) described in this documentation at any time.
If there is any software on removable media described in this documentation, it is furnished under a license
agreement included with the product as a separate document, in the hardcopy documentation, or on the
removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy,
please contact 3Com and a copy will be provided to you.
UNITED STATES GOVERNMENT LEGEND
If you are a United States government agency, then this documentation and the software described herein are
provided to you subject to the following:
All technical data and computer software are commercial in nature and developed solely at private expense.
Software is delivered as “Commercial Computer Software”as defined in DFARS 252.227-7014 (June 1995) or
as a “commercial item”as defined in FAR 2.101(a) and as such is provided with only such rights as are
provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights
only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable.
You agree not to remove or deface any portion of any legend provided on any licensed program or
documentation contained in, or delivered to you in conjunction with, this User Guide.
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may
not be registered in other countries.
3Com, the 3Com logo, AirConnect, and NBX are registered trademarks of 3Com Corporation.
All other company and product names may be trademarks of the respective companies with which they are
associated.
CONTENTS
ABOUT THIS GUIDE
Conventions 5
Documentation Comments 6
Year 2000 Compliance 6
3Com Support 7
13COM ETHERNET POWER SOURCE OVERVIEW
Overview 10
Features 10
Front Panel Connections and LEDs 11
10/100BASE-TX Data Input Ports 11
10/100BASE-TX Data and Power Output Ports 12
LEDs 12
Rear Panel Connections 14
Information Label 14
Console Port 14
DC Power Socket 15
AC Power Socket 15
Guidelines for Network Configuration 15
2INSTALLING THE ETHERNET POWER SOURCE AND END DEVICES
Choosing a Suitable Site 20
Rack-mounting the EPS 21
Power-up Sequence 22
Adding Power 22
Verifying Correct Operation 22
Selecting the Correct Cables 22
Power Splitter Cable 24
Connecting an NBX Business Telephone 24
Connecting a 3Com Wireless Access Point 25
3TROUBLESHOOTING
Solving EPS Problems 27
Solving NBX Telephone Problems 30
Solving Wireless Access Point Problems 32
ASAFETY INFORMATION
Important Safety Information 36
L’information de SécuritéImportante 37
Wichtige Sicherheitsinformationen 39
BTECHNICAL SPECIFICATIONS AND PIN ASSIGNMENTS
3COM CORPORATION LIMITED WARRANTY
ABOUT THIS GUIDE
This guide provides all the information that you need to install and use
either of the Ethernet Power Source (EPS) units:
■3C10220 —with 12 10BASE-T/100BASE-TX ports
■3C10222 —with 24 10BASE-T/100BASE-TX ports
The guide is intended for use by installers or network administrators who
are responsible for installing and setting up network equipment. It
assumes a basic working knowledge of LANs.
Conventions Table 1 and Table 2 list conventions that are used throughout this guide.
Table 1 Notice Icons
Icon Notice Type Description
Information note Information that describes important features or
instructions
Caution Information that alerts you to potential loss of data or
potential damage to an application, system, network,
or device
Warning Information that alerts you to potential personal injury
6ABOUT THIS GUIDE
Documentation
Comments
Your suggestions are very important to us. They will help make our
documentation more useful for you. Please e-mail comments about this
guide to us at this address:
NBX_TechPubs_Comments@3com.com
Please include the following information when you comment:
■3Com®Ethernet Power Source Guide
■Part Number 10038538-01 Rev B
■Page number
Year 2000
Compliance
For information on Year 2000 compliance and 3Com products, visit the
3Com Year 2000 Web page:
http://www.3com.com/products/yr2000.html
Table 2 Text Conventions
Convention Description
Screen displays This typeface represents information as it appears on the
screen.
Commands The word “command”means that you must enter the
command exactly as shown and then press Return or Enter.
Commands appear in bold.
The words “enter”
and “type”
When you see the word “enter”in this guide, you must type
something, and then press Return or Enter. Do not press
Return or Enter when an instruction simply says “type.”
Keyboard key names If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+). Example:
Press Ctrl+Alt+Del
Words in italics Italics are used in this guide to:
■Emphasize a point. For example: Do not run with scissors.
■Denote a new term at the place where it is defined in the
text.
■Identify menu names, menu commands, and software
button names. Examples:
From the Help menu, select Contents.
Click OK.
3Com Support 7
3Com Support For information about these topics:
■Product Troubleshooting
■Software Downloads
■Documentation
■3Com Service
use your web browser to access this web site:
http://support.3com.com/
and look for Network Telephony Products.
8ABOUT THIS GUIDE
13COM ETHERNET POWER SOURCE
OVERVIEW
The 3Com Ethernet Power Source (EPS) provides power, over existing
Ethernet wiring, to devices such as NBX telephones and 3Com wireless
access points. The EPS can determine whether an Ethernet device can
accept power over the Ethernet cable, and supply power only to those
devices capable of accepting it.
The EPS:
■Eliminates the need for AC outlets, Uninterrupted Power Supplies
(UPS), and AC/DC adapters
■Can be used with the 3Com NBX 100 Communications System
business telephones and with 3Com’s wireless access points.
■Is easy to add to your network
■Allows you to manage power centrally
This chapter covers these topics:
■Overview of the Ethernet Power Source
■Front Panel Connections and LEDs
■Rear Panel Connections
■Guidelines for Network Configuration
10 CHAPTER 1: 3COM ETHERNET POWER SOURCE OVERVIEW
Overview The power source is designed for use with a standard
10BASE-T/100BASE-TX Ethernet network over standard TIA/EIA-568,
Category 5 cable. The DC operating power for the data terminal units is
fed through the unused pairs (7/8) and (4/5).
You can order the EPS in either of these models:
■12 Ethernet ports
■24 Ethernet ports
Features The EPS has the following hardware features:
■Remote power feeding of Ethernet terminals
■12 or 24 ports of combined 10BASE-T/100 BASE-TX data and power
■Shielded RJ-45 input/output connectors
■Universal 85-264VAC 50/60Hz input
■Power feeding over 7/8 and 4/5 spare twisted pairs of Category 5
UTP/STP cable
■Independent overload and short-circuit protection for each port
■Port status LED indicators
■Power on/off command for each port
■RS-232 monitoring and control serial port
■FLASH memory for field firmware upgrades
■Standard 19”1.5U rack mounting with hardware
■–24 VDC connector for an external DC power supply
This manual suits for next models
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