3Com 3CNJPSE24 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of 3Com 3CNJPSE24, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of 3Com 3CNJPSE24 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of 3Com 3CNJPSE24. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of 3Com 3CNJPSE24 should contain:
- informations concerning technical data of 3Com 3CNJPSE24
- name of the manufacturer and a year of construction of the 3Com 3CNJPSE24 item
- rules of operation, control and maintenance of the 3Com 3CNJPSE24 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of 3Com 3CNJPSE24 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of 3Com 3CNJPSE24, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the 3Com service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of 3Com 3CNJPSE24.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the 3Com 3CNJPSE24 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Ethernet Power Supply 3CNJPSE24 User s Guide[...]

  • Page 2

    3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 U.S.A. Copyright ' 2001 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporat[...]

  • Page 3

    Contents About this Guide ........................................................................................... i Purpose ....................................................................................................... i Prerequisite Skills and Knowledge ............................................................. i Technical Support [...]

  • Page 4

    [...]

  • Page 5

    About This Guide Ethernet Power Supply User s Guide i About this Guide Purpose This guide provides information and procedures on hardware installation, setup, configuration, and management of the Ethernet Power Supply. Prerequisite Skills and Knowledge The guide is intended for use by network administrators who are responsible for installing and se[...]

  • Page 6

    Technical Support ii Ethernet Power Supply User s Guide Technical Support 3Com provides easy access to technical support information through a variety of services. This section describes these services. Information contained in this section is correct at time of publication. For the most recent information, 3Com recommends that you access the 3Com [...]

  • Page 7

    About This Guide Ethernet Power Supply User s Guide iii Knowledgebase Web Services This interactive tool contains technical product information compiled by 3Com expert technical engineers around the˚globe.˚Located on the World Wide Web at http:// knowledgebase.3com.com, this service gives all 3Com customers and partners complementary, around-the-[...]

  • Page 8

    Technical Support iv Ethernet Power Supply User s Guide Support from 3Com If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier, 3Com offers technical telephone support services. To find out more about your support options, call the 3Com technical telephone support phone number: 1 800 527 8677[...]

  • Page 9

    Introduction to the Ethernet Power Supply Ethernet Power Supply User s Guide 1-1 Introduction to the Ethernet Power Supply This chapter contains introductory information about the Ethernet Power Supply and how it can be used in your network. It covers the following topics: - About the Ethernet Power Supply - Ethernet Power Supply Front View Detail [...]

  • Page 10

    Introduction to the Ethernet Power Supply 1-2 Ethernet Power Supply User s Guide Ethernet Power Supply main features: - Remote power feeding of Ethernet terminals - No need for terminal s AC outlets, UPS and AC/DC adapters - 24 10/100BASE-TX data plus power -combined channels - Universal 100-240VAC, 50/60Hz power input - Power management system - I[...]

  • Page 11

    Introduction to the Ethernet Power Supply Ethernet Power Supply User s Guide 1-3 Ethernet Power Supply Front View Detail Figure 1 Ethernet Power Supply Front View 10/100BASE-TX Data & Power Output Ports, Upper 24 Ports The Ethernet Power Supply has 24 Data & Power ports configured as Media Dependent Interface (MDI) non-crossover. These port[...]

  • Page 12

    Introduction to the Ethernet Power Supply 1-4 Ethernet Power Supply User s Guide LEDS The LEDs in the unit indicate status of the Ethernet Power Supply and its ports. A main power LED on the front panel, marked by AC , provides the Ethernet Power Supply status. The "AC" LED illuminating green indicates that the Ethernet Power Supply is co[...]

  • Page 13

    Introduction to the Ethernet Power Supply Ethernet Power Supply User s Guide 1-5 Ethernet Power Supply Status Indications The following tables contain Ethernet Power Supply status information as presented on the front panel by the LED indicators during normal operation. Table 1 Power Active (Green) and Power Not Active (Orange) - Port Status Indica[...]

  • Page 14

    Introduction to the Ethernet Power Supply 1-6 Ethernet Power Supply User s Guide Table 2 Main Power Status Indications LED Color Main Power Status Remarks AC - Off Internal power supply unit is unplugged or faulty. Internal power supply voltage is too low. All ports are disconnected. AC — Green Indicates AC power input active. Internal power supp[...]

  • Page 15

    Introduction to the Ethernet Power Supply Ethernet Power Supply User s Guide 1-7 Ethernet Power Supply Rear View Detail Figure 2 Ethernet Power Supply Rear View AC Power Receptacle The Ethernet Power Supply automatically adjusts its power setting to any supply voltage in the range 100—240V AC (60/50 Hz). WARNING Electrocution Hazard: Before conne[...]

  • Page 16

    [...]

  • Page 17

    Installing the Ethernet Power Supply Ethernet Power Supply User s Guide 2-1 Installing the Ethernet Power Supply 0 Verifying Kit Contents Unpack the kit and verify that the Ethernet Power Supply and user s guide (this manual) are present. Recording Identification Information Before proceeding with the Ethernet Power Supply placement and installatio[...]

  • Page 18

    Installing the Ethernet Power Supply 2-2 Ethernet Power Supply User s Guide Powering Up The following sections describe how to get the Ethernet Power Supply powered up and ready for operation. CAUTION The Ethernet Power Supply has no ON/OFF switch. To connect or disconnect power to the Ethernet Power Supply, insert or remove the power cable from th[...]

  • Page 19

    Installing the Ethernet Power Supply Ethernet Power Supply User s Guide 2-3 Connecting Cables to the Ethernet Power Supply All ports on the front of the Ethernet Power Supply are configured as data "route-through" ports for all data wires (pins 1, 2, 3, and 6). Be sure to use a standard Category 5 straight-through cable including all 8 wi[...]

  • Page 20

    [...]

  • Page 21

    Appendix A — Safety Information Ethernet Power Supply User s Guide A-1 Safety Information Read the following safety information before performing any installation, removal, or maintenance procedure on the Ethernet Power Supply. WARNING Warnings contain directions that must be followed for personal and product safety. Follow all directions careful[...]

  • Page 22

    Appendix A — Safety Information A-2 Ethernet Power Supply User s Guide WARNING This product relies on the building installation for short-circuit (overcurrent) protection. Make sure a fuse or circuit breaker no larger than 120VAC, 15A. U.S. (240VAC, 10A international) is used on the phase conductor. WARNING Do not work on the system or connect or[...]

  • Page 23

    Appendix A — Safety Information Ethernet Power Supply User s Guide A-3 § Installation and removal of the Ethernet Power Supply must be carried out by qualified personnel only. § Power Cord Set: The power cord must be approved for the country in which it is used: U.S.A. and Canada § The cord set must be UL- approved and CSA certified. § The mi[...]

  • Page 24

    Appendix A — Safety Information A-4 Ethernet Power Supply User s Guide § The appliance coupler (the connector to the unit and not the wall plug) must have a configuration for mating with an EN60320/IEC320 appliance inlet. § The socket outlet must be near to the unit and easily accessible. You can only remove power from the unit by disconnecting[...]

  • Page 25

    Appendix B — Technical Specifications Ethernet Power Supply User s Guide B-1 Technical Specifications Overview This appendix lists Ethernet Power Supply hardware and electrical specifications. Hardware Specifications Physical Specifications Dimensions Height: 44mm, 1.75 in. Width: 433mm, 17 in. Depth: 302mm, 11.9 in. Weight 4.0 Kg (8.8 lb) Enviro[...]

  • Page 26

    Appendix B — Technical Specifications B-2 Ethernet Power Supply User s Guide Electrical Specifications Input voltage 90 to 264VAC (47-63Hz) Input current at 110VAC 4 Amperes Max Total output power 200 Watts Max Output power, per port 16.8 Watts* (typ.) Nominal output voltage, per port 44 - 57 VDC * The output available per port may be lower depen[...]

  • Page 27

    [...]

  • Page 28

    Appendix C — Troubleshooting Ethernet Power Supply User s Guide C-1 Troubleshooting Introduction This section helps you locate problems related to the Ethernet Power Supply setup and functionality. This section provides a problem and resolution sequence to assist in troubleshooting minor operating problems. If the provided resolutions do not solv[...]

  • Page 29

    Appendix C — Troubleshooting C-2 Ethernet Power Supply User s Guide Troubleshooting Table Problem Resolution The Ethernet Power Supply is plugged into a main AC outlet, but does not power up. Verify the use of a correct and functional AC power cord, including good and solid ground connection. Verify the AC outlet is supplying power (test with a d[...]

  • Page 30

    [...]

  • Page 31

    Appendix C — Troubleshooting Ethernet Power Supply User s Guide C-3 Problem Resolution The "Port LED on one port is not lit and the corresponding end device does not operate. The Ethernet Power Supply did not detect a connected end device and therefore the port is not providing power. Verify that: • The end device is Power Over LAN enabled[...]

  • Page 32

    Appendix C — Troubleshooting C-4 Ethernet Power Supply User s Guide Problem Resolution The end device operates, but there is no data link. Verify that: • The Port LED on the Ethernet Power Supply front panel is lit continuously. • The "Data" and "Data & Power" ports correspond. • If an external splitter is in use, re[...]

  • Page 33

    Appendix C — Troubleshooting C-5 Ethernet Power Supply User s Guide The end device operates, but there is no data link (continued). • Connect a different end device to the same port. If this works and the link is established, there is probably a faulty data link in the end device. • Re-connect the end device to a different "Data & Po[...]

  • Page 34

    [...]

  • Page 35

    Limited Warranty and Regulatory Compliance Information 3Com Corporation Limited Warranty This warranty applies to customers located in the United States, Australia, Canada (except Quebec), Ireland, New˚Zealand, U.K., and other English language countries, and countries for which a translation into the local language is not provided Ethernet Power S[...]

  • Page 36

    3Com makes no warranty or representation that its software products will meet Customer s requirements or work in combination with any hardware or software products provided by third parties, that the operation of the software products will be uninterrupted or error free, or that all defects in the software products will be corrected. For any third [...]

  • Page 37

    W ARRANTIES E XCLUSIVE , W ARRANTY D ISCLAIMER TO THE FULL EXTENT ALLOWED BY LAW, THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES, TERMS OR CONDITIONS, EXPRESS OR IMPLIED, EITHER IN FACT OR BY OPERATION OF LAW, STATUTORY OR OTHERWISE, INCLUDING, WITHOUT LIMITATION, WARRANTIES, TERMS OR CONDITIONS OF MERCH[...]

  • Page 38

    G OVERNING L AW This Limited Warranty shall be governed by the laws of the State of California, U.S.A., and by the laws of the United States, excluding their conflicts of laws principles. The United Nations Convention on Contracts for the International Sale of Goods is hereby excluded in its entirety from application to this Limited Warranty. 3Com [...]

  • Page 39

    [...]

  • Page 40

    ' 2001 3Com Corporation. All Rights Reserved P/N: 09-2194-000 November 2001[...]