Manuale d’uso / di manutenzione del prodotto 3CNJPSE24 del fabbricante 3Com
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Ethernet Power Supply 3CNJPSE24 User s Guide.
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 .
Contents About this Guide ........................................................................................... i Purpose ....................................................................................................... i Prerequisite Skills and Knowledge .
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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.
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.
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.
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.
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.
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, .
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.
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.
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.
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.
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).
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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.
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.
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).
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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.
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.
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.
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.
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.
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.
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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.
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.
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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.
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.
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.
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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.
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.
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, EXPR.
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.
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' 2001 3Com Corporation. All Rights Reserved P/N: 09-2194-000 November 2001.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3Com 3CNJPSE24 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3Com 3CNJPSE24 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 3CNJPSE24 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 3CNJPSE24 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 3CNJPSE24, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3Com 3CNJPSE24.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 3CNJPSE24. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 3CNJPSE24 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
