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 or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.
Contents About this Guide ...........................................................................................i Purpose .......................................................................................................i Prerequisite Skills and Knowledge .............................................................i Technical Support ...................................................................................... ii Introduction to the Ethernet Power Supply .................................
About This Guide 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 setting up network equipment; consequently, a basic working knowledge of LANs (Local Area Networks) has been assumed.
Technical Support 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 Corporation World Wide Web site.
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Introduction to the Ethernet Power Supply Introduction to the Ethernet Power Supply 1 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 - Ethernet Power Supply Rear View Detail - Network Configuration Examples About the Ethernet Power Supply The Ethernet Power Supply is a 24-port Ethernet-channel, 48Vpower-feeding device.
Introduction to the Ethernet Power Supply 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 Independent overload and short-circuit protection for each channel Port status indications Standard 19 1U rack mountable Power Management System The total power required by PDTEs may exceed the total power avail
Introduction to the Ethernet Power Supply 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 ports are designed to carry Ethernet data over the standard 2-wire pairs (RJ-45 pins 1/2 and 3/6) and DC power source over the spare wire pair (RJ-45 pins 4/5 and 7/8).
Introduction to the Ethernet Power Supply 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 connected to an AC outlet. The AC LED illuminating orange indicates an internal fault. See tables 2 and 3. One bi-color LED (green and orange) per port provides port status.
Introduction to the Ethernet Power Supply 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 Indications Port LED Color Off Port Load Conditions Non-active load, or unplugged port. Green Active load is plugged in and complies with normal load conditions.
Introduction to the Ethernet Power Supply Table 2 Main Power Status Indications LED Color AC - Off AC — Green AC - Green Blinking AC Orange Main Power Status Internal power supply unit is unplugged or faulty. Indicates AC power input active. Internal power supply voltage is out of tolerance. Internal problem alarm. Remarks Internal power supply voltage is too low. All ports are disconnected. Internal power supply voltage is within tolerance. All ports are disconnected. Built-in self-test failed.
Introduction to the Ethernet Power Supply 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—240VAC (60/50 Hz). ~ WARNING Electrocution Hazard: Before connecting power to the Ethernet Power Supply, see Appendix A, Safety Information.
Installing the Ethernet Power Supply Installing the Ethernet Power Supply 0 2 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 installation, record the serial number for future reference. The serial number is located on the information label on the rear of the Ethernet Power Supply.
Installing the Ethernet Power Supply 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 the AC power receptacle on the rear of the Ethernet Power Supply. 1) Insert a power cord into the power socket on the rear of the Ethernet Power Supply.
Installing the Ethernet Power Supply 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 wires (4 pairs). Data In Ports Using a standard Category 5 straight-through cable, connect the cable leading from the Ethernet switch or hub to the "Data" port.
Appendix A — Safety Information Safety Information A 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 carefully. ~ WARNING Read the installation instructions in Section 2 before connecting the Ethernet Power Supply to its power source.
Appendix A — Safety Information ~ 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 disconnect cables during periods of lightning activity. ~ WARNING A voltage mismatch can cause equipment damage and may pose a fire hazard.
Appendix A — Safety Information § 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: § The cord set must be ULapproved and CSA certified. § The minimum specification for the flexible cord is: No. 18 AWG Type SV or SJ 3-conductor § The cord set must have a rated current capacity of at least 10A.
Appendix A — Safety Information A-4 § 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 the power cord from the outlet. § This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC 950.
Appendix B — Technical Specifications Technical Specifications B 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. 4.0 Kg (8.
Appendix B — Technical Specifications 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 depending on the power budget, which is controlled by the power management software module in the unit.
Appendix C — Troubleshooting Troubleshooting C 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 solve your problem, call 3Com for further assistance. If you encounter problems, make sure: — Power is applied to the Ethernet Power Supply. — A crossover type Ethernet cable is not used.
Appendix C — Troubleshooting Troubleshooting Table Problem The Ethernet Power Supply is plugged into a main AC outlet, but does not power up. The Ethernet Power Supply is plugged in and running, but the fans are not working. Resolution 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 different device) and the voltage is between 100VAC and 240VAC (50Hz to 60Hz).
Appendix C — Troubleshooting Problem The "Port LED on one port is not lit and the corresponding end device does not operate. Resolution 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. • You are using a standard UTP Category 5 cable, including all 8 wires (4 pairs). • If an external splitter is in use, replace it with a new splitter. Discard the faulty splitter.
Appendix C — Troubleshooting 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, replace it with a new splitter. Discard the faulty splitter. • • You are using a standard UTP Category 5 cable, including all 8 wires (4 pairs), and is 100m or less in length between the switch and the end device.
Appendix C — Troubleshooting The end device operates, but there is no data link (continued). C-5 • 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 & Power" port and remember to move the "Data" port of the switch or hub accordingly.
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.
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.
WARRANTIES EXCLUSIVE, WARRANTY DISCLAIMER 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 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, SATISFACTORY QUALITY, CORRESPONDENCE WITH DESCRIPTION, NON-INFRINGEMENT AND QUIET ENJOYMENT, ALL OF WHICH ARE EXPRESSLY D
GOVERNING LAW 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 Corporation 5400 Bayfront Plaza P.O. Box 58145 Santa Clara, CA 95052-8145 (408) 326-5000 Rev. 6/14/01 v8.
' 2001 3Com Corporation.
