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Ethernet Power Supply

3CNJPSE24

User s Guide

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Summary of Contents for 3CNJPSE24

Page 1: ...Ethernet Power Supply 3CNJPSE24 User s Guide ...

Page 2: ... 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 ...

Page 3: ...ly Rear View Detail 1 7 Installing the Ethernet Power Supply 2 1 Verifying Kit Contents 2 1 Recording Identification Information 2 1 Powering Up 2 2 Connecting Cables to the Ethernet Power Supply 2 3 Safety Information A 1 Technical Specifications B 1 Overview B 1 Hardware Specifications B 1 Physical Specifications B 1 Environmental Specifications B 1 Electrical Specifications B 2 Ethernet Interfa...

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Page 5: ...etwork administrators who are responsible for installing and setting up network equipment consequently a basic working knowledge of LANs Local Area Networks has been assumed To use this guide effectively you should have a working knowledge of Ethernet infrastructures In addition you should Have a working knowledge of basic electronics and mechanical assembly as well as an understanding of related ...

Page 6: ...0 ninety days from the date of purchase Hours of operation are subject to change See Support from 3Com later in this section Online Technical Services 3Com offers worldwide product support 24 hours a day 7 days a week through the following online systems World Wide Web site 3Com Knowledgebase Web Services 3Com FTP site World Wide Web Site To access the latest networking information on the 3Com Cor...

Page 7: ...name anonymous Password your Internet e mail address NOTE You do not need a user name and password with Web browser software such as Netscape Navigator and Microsoft Internet Explorer Support from Your Network Supplier If you require additional assistance consult your network supplier Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including n...

Page 8: ...ntact 3Com for assistance have the following information ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if applicable Returning Products for Repair Before you send a product directly to 3Com for repair you must first obtain an authorization number Products s...

Page 9: ...A EIA 568 Category 5 cabling plant The DC operating power for the data terminal units is fed through the unused pairs 7 8 and 4 5 The Ethernet Power Supply normally powers devices that are enabled for Power Over LAN or are equipped to receive power over Ethernet These devices are called Powered Data Terminal Equipment PDTE Devices that are not equipped to receive power over Ethernet require local ...

Page 10: ...um power available 200W When the total power available is near maximum attempts to connect an additional PDTE to an empty port causes the appropriate LED of the port to blink orange indicating out of power budget and this port does not deliver power Power distribution is based on first come first served logic Disconnection of other PDTEs or dropping the power use down on connected PDTEs so that th...

Page 11: ...ernet 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 10 100BASE TX Data Input Ports Lower 24 Ports The Ethernet Power Supply has 24 10BASE T 100BASE TX data input ports configured as MDI non crossover These ports are designed to carry Ethernet Data only TX RX over the standard 2 wire pairs RJ 45 pins 1 2 and 3 6 Accord...

Page 12: ...ange indicates an internal fault See tables 2 and 3 One bi color LED green and orange per port provides port status The green color indicates that the terminal unit has been identified as Power Over LAN enabled and is active and receiving power The orange LED indicates the port is not supplying power and is not active See Table 1 for additional information NOTE In the event that an Ethernet device...

Page 13: ...is present on the spare pairs Green Active load is plugged in and complies with normal load conditions Continuous nominal DC voltage is present on the spare pairs Orange Overload conditions or shorted terminal port or forced external voltage feed constant DC into the port Power to the port is disconnected No DC voltage is present on the spare pairs Green Blinking Transitional mode in which load de...

Page 14: ...lugged or faulty Internal power supply voltage is too low All ports are disconnected AC Green Indicates AC power input active Internal power supply voltage is within tolerance AC Green Blinking Internal power supply voltage is out of tolerance All ports are disconnected AC Orange Internal problem alarm Built in self test failed For LED troubleshooting information see Appendix C Troubleshooting ...

Page 15: ...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 connecting power to the Ethernet Power Supply see Appendix A Safety Information ...

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Page 17: ...dentification 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 Serial Number WARNING Safety Information You must read the safety information provided in Appendix A before carrying out any installation removal or any main...

Page 18: ...Power Supply 2 Insert the other end of the power cord into the power receptacle The Ethernet Power Supply powers up and the internal fans begin operating The Ethernet Power Supply then runs through its power on self test POST which takes less than 10 seconds During the POST all ports on the Ethernet Power Supply are disabled and the LEDs light in the following sequence 1 The AC LED lights 2 All Po...

Page 19: ...e 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 Data Power Out Ports Using a standard Category 5 straight through cable connect the cable leading to the end device to the corresponding Data Power port NOTE Be sure to co...

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Page 21: ...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 WARNING Follow basic electricity safety measures whenever connecting the Ethernet Power Supply to its power source WARNING The Ethernet Power Supply chassis is intended to be grounded Ensure the...

Page 22: ...zard If the voltage indicated on the label is different from the power outlet voltage do not connect the Ethernet Power Supply to this power outlet WARNING For shelf mounted equipment make sure the surface is stable and strong enough to support the equipment Do not stack more than four Ethernet Power Supply units on top of one another WARNING Ultimate disposal of this product should be handled acc...

Page 23: ...Canada The cord set must be UL approved 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 The attachment plug must be an earth grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration Denmark The supply plug must comply with section 107 2 D1 standard DK2 1a o...

Page 24: ... cord from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 950 The conditions are maintained only if the equipment to which it is connected also operates under SELV conditions Switzerland only The supply plug must comply with SEV ASE 1011 France and Peru only This unit cannot be powered from IT supplies If your supplies are of IT type this unit must be...

Page 25: ...ware 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 Environmental Specifications Mode Temperature Humidity Operating 0 to 40 C 32 to 104 F 10 to 90 no condensation allowed Storage 20 to 70 C 4 to 158 F 10 to 90 no condensation allowed B ...

Page 26: ...r 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 Ethernet Interface Input Data In 24 Ports Ethernet 10 100BASE TX RJ 45 female socket Output Data Power Out 24 Ports Ethernet 10 100 BASE TX and 48 VDC RJ 45 female socket with DC voltage ...

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Page 28: ...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 An input Ethernet cable is connected to the Data port An output Ethernet cable is connected to the Data Power port The input and outp...

Page 29: ...in and running but the fans are not working Verify all fan openings in the case are clear of any air blocking materials If fans are not working there may be an internal power supply fault The Ethernet Power Supply operates but the AC LED is off If both internal fans are working that is air flows out of the case or can be heard there is a possible internal circuitry fault If fans are not working th...

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Page 31: ...sing a crossover twisted pair wire The end device is connected to the Data Power port upper RJ 45 connector In addition try to Re connect the same end device into a different port on the same unit If it works there is probably a faulty port or RJ 45 connection Bypass the long twisted pair cable and bring the end device close to the Ethernet Power Supply and connect to one of the ports using a shor...

Page 32: ...g 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 You are not using any crossover twisted pair wires The Ethernet Power Supply is connected to a switch or hub with a good RJ 45 patch cord connection In addition try to Bypass the long twisted pair cable and bring the end device close to the Ethernet Power Supply and c...

Page 33: ...remember to move the Data port of the switch or hub accordingly If this works there is probably a faulty Data Power Power or Data port in the Ethernet Power Supply or a bad RJ 45 connection One of the ports is powering an end device without turning the Port LED on Re connect the end device to a different Data Power port If the LED turns on there is a fault in the previous output port probably a fa...

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Page 35: ...ailable refund to Customer the purchase price paid for the defective product All products that are replaced will become the property of 3Com Replacement products or parts may be new or reconditioned 3Com warrants any replaced or repaired product or part for ninety 90 days from shipment or the remainder of the initial warranty period whichever is longer SOFTWARE 3Com warrants to Customer that each ...

Page 36: ...SE OF THAT SOFTWARE OBTAINING WARRANTY SERVICE Customer must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to obtain warranty service authorization Dated proof of purchase from 3Com or its authorized reseller may be required A User Service Order USO Return Material Authorization RMA or Service Repair Order SRO number will be issu...

Page 37: ...L EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS LICENSORS AND SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINT...

Page 38: ...ned to provide reasonable protection against harmful interference in a commercial installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user wi...

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Page 40: ... 2001 3Com Corporation All Rights Reserved P N 09 2194 000 November 2001 ...

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