3Com 3C10220 - Ethernet Power Source Supply User Manual
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3Com 3C10220 - Ethernet Power Source Supply User Manual

3Com 3C10220 - Ethernet Power Source Supply User Manual

Ethernet power source guide
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Part Number: 10038538-01 Rev B
Published: November 2000
3Com
®
Ethernet Power Source
Guide
3C10220 - 12-Port Ethernet Power Source
3C10222 - 24-Port Ethernet Power Source

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  • Page 1 3Com ® Ethernet Power Source Guide 3C10220 - 12-Port Ethernet Power Source 3C10222 - 24-Port Ethernet Power Source http://www.3com.com/ Part Number: 10038538-01 Rev B Published: November 2000...
  • Page 2 3Com Corporation reserves the right to revise this documentation and to make changes in content from time 95052-8145 to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms, or conditions of merchantability, satisfactory quality, and fitness for a particular purpose.

  • Page 3: Table Of Contents

    Guidelines for Network Configuration NSTALLING THE THERNET OWER OURCE AND EVICES Choosing a Suitable Site Rack-mounting the EPS Power-up Sequence Adding Power Verifying Correct Operation Selecting the Correct Cables Power Splitter Cable Connecting an NBX Business Telephone Connecting a 3Com Wireless Access Point...
  • Page 4 ROUBLESHOOTING Solving EPS Problems Solving NBX Telephone Problems Solving Wireless Access Point Problems AFETY NFORMATION Important Safety Information L’information de Sécurité Importante Wichtige Sicherheitsinformationen ECHNICAL PECIFICATIONS AND SSIGNMENTS ORPORATION IMITED ARRANTY...

  • Page 5: Bout This Guide

    BOUT UIDE 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.

  • Page 6: Documentation Comments

    Please include the following information when you comment: ® 3Com Ethernet Power Source Guide Part Number 10038538-01 Rev B Page number Year 2000 For information on Year 2000 compliance and 3Com products, visit the Compliance 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html...

  • Page 7: 3Com Support

    3Com Support 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.
  • Page 8 BOUT UIDE...

  • Page 9: Om Ethernet Power Source Overview

    VERVIEW 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.

  • Page 10: Overview

    1: 3C HAPTER THERNET OWER OURCE VERVIEW 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...

  • Page 11: Front Panel Connections And Leds

    Front Panel Connections and LEDs Front Panel Figure 1 and Figure 2 show the front-panel details of the 24-port and Connections and 12-port EPS units. The LEDs are described in later in this section. LEDs Figure 1 24-Port Ethernet Power Source — Front View Note: Bottom row connectors are input ports (data only).

  • Page 12: 10/100Base-Tx Data And Power Output Ports

    1: 3C HAPTER THERNET OWER OURCE VERVIEW 10/100BASE-TX The EPS output ports (top row) carry two kinds of transmissions: Data and Power Ethernet data on the standard two wire pairs on an RJ-45 connector Output Ports (Transmit on pins 1 and 2; Receive on pins 3 and 6) DC power on the previously unused wire pairs of the RJ-45 connector (-24VDC Return on pins 4 and 5 and -24VDC on pins 7 and 8) The maximum segment length from the switch or hub to the Network...
  • Page 13 Front Panel Connections and LEDs Table 3 LED Behavior (continued) Per-port Status Indications Unit Power Status Indications AC LED DC LED No AC power supply is plugged into the AC inlet and no redundant DC power supply is connected. An AC power supply fault has occurred and no redundant DC power supply is connected.

  • Page 14: Rear Panel Connections

    (COM1 is the default) to match these settings. You can obtain the firmware upgrade program and instructions for using it from this web site: http://support.3com.com/ Look for the Network Telephony Products area.

  • Page 15: Dc Power Socket

    Category 5 cable (from the main switch or hub to the far-end NIC device). 3Com recommends that you use a short UTP cable of 1 to 2 m (6 to 7 ft.) from the switch or hub to the EPS and a longer UTP cable of 1 to 90 m (3 to 300 ft.) from the EPS to the powered device such as the...
  • Page 16 1: 3C HAPTER THERNET OWER OURCE VERVIEW Figure 4 Sample EPS Topology with the NBX 100 Communications System NBX 100 Switch or Hub 3Com Ethernet Power Source Wiring Closet Patch Panel Premises Cabling Wall Jack...
  • Page 17 Guidelines for Network Configuration Figure 5 Sample Network Topology with a 3Com Wireless Access Point Servers Switch or Hub 3Com Ethernet Power Source 3Com Wireless Access Point Premises Wiring Closet Patch Panel Cabling Laptop with Wireless PCM Card...
  • Page 18 1: 3C HAPTER THERNET OWER OURCE VERVIEW...

  • Page 19: Installing The Ethernet Power Source And End Devices

    Selecting the Correct Cables Power Splitter Cable Connecting an NBX Business Telephone Connecting a 3Com Wireless Access Point WARNING: Safety Information. Before you install or remove any components from the Power Source unit or carry out any maintenance procedures, you must read the safety information provided in Appendix A of this guide.

  • Page 20: Choosing A Suitable Site

    Make sure that air can flow freely on all sides of the EPS for proper cooling. 3Com recommends that you provide a minimum of 25 mm (1 in.) clearance on each side of the unit.

  • Page 21: Rack-Mounting The Eps

    Rack-mounting the EPS Rack-mounting the The EPS is 1.5U high (1 U equals 3.8 cm (1.5 inches)) and fits in most standard 19-inch equipment racks. CAUTIONS: Before you connect the brackets or mount the unit in the rack, disconnect all cables and power from the EPS. Verify that no self-adhesive pads are attached to the underside of the unit.

  • Page 22: Power-Up Sequence

    2: I HAPTER NSTALLING THE THERNET OWER OURCE AND EVICES Power-up Sequence The following sections describe how to add power to your EPS and prepare it for operation. Adding Power To add power to the EPS, follow these steps. CAUTION: The EPS has no On/Off switch; the only way to connect or disconnect the power is to insert or remove the power cord from the unit.
  • Page 23 Selecting the Correct Cables Figure 7 Connecting Other Devices to the Power Source Unit Switch/Hub RJ-IN RJ-OUT DTE/Splitter data data data data data data spare spare DC + data data spare spare DC - Table 4 and Table 5 list the RJ45 input and output plugs (per port) Table 4 RJ-45 Input Plug (per Port): Switch Side Pin # Label...

  • Page 24: Power Splitter Cable

    2: I HAPTER NSTALLING THE THERNET OWER OURCE AND EVICES Power Splitter The power splitter cable has a single RJ45 female connector on one end. Cable All eight pins on this connector are connected, either to the power or to data.

  • Page 25: Connecting A 3Com Wireless Access Point

    If you see nothing in the LCD display, see “Solving NBX Telephone Problems” in Chapter 3. Connecting a 3Com Figure 9 shows how to connect a 3Com Wireless Access Point. You do Wireless Access not need a power splitter for this end device.
  • Page 26 THERNET OWER OURCE AND EVICES When the connection is complete between the EPS and the 3Com Wireless Access Point, verify that: The power LED continues to flash until the Wireless Access Point completes the bootstrap sequence. The Power LED then stays illuminated.

  • Page 27: Solving Eps Problems

    EPS, you may have a faulty power cable. Substitute another power cable. Faulty EPS power If the power cable is not faulty, you supply or faulty may have a faulty power supply within the EPS, or a faulty power LED. Contact an authorized 3Com Reseller.
  • Page 28 3: T HAPTER ROUBLESHOOTING Table 6 Solving EPS Problems (continued) Problem Possible Cause Suggested Action A Power LED does not Both AC power Disconnect the DC power supply, light, and you have and DC power and use the procedures outlined both AC power and an supplies are earlier in this table to check for...
  • Page 29 15 seconds, and then plug it back in. This pause gives the electronic circuits in the device time to fully discharge. If none of these procedures identifies the problem, contact an authorized 3Com service representative for additional assistance.

  • Page 30: Solving Nbx Telephone Problems

    3: T HAPTER ROUBLESHOOTING Solving NBX If power is not reaching an NBX Business Telephone, use the information Telephone in Table 7 to resolve the problem. Problems Table 7 Solving NBX Business Telephone Problems Problem Possible Cause Suggested Action No characters appear in Faulty connection Verify all physical connections.
  • Page 31 The NBX NCP is not Check other telephones. If operating properly. they are working properly, the NCP is functioning properly. If none of these procedures identifies the problem, contact an authorized 3Com service representative for additional assistance.

  • Page 32: Solving Wireless Access Point Problems

    3: T HAPTER ROUBLESHOOTING Solving Wireless If power is not reaching a Wireless Access Point, use the information in Access Point Table 8 to resolve the problem. Problems Solving Wireless Access Point Problems Table 8 Problem Possible Cause Suggested Action No power to the Wireless Faulty physical Verify all physical connections...
  • Page 33 Wireless Access network indicator (center Point and the LAN (network). LED) does not flash. Check patch panels, premises wiring, hubs, and switches. If none of these procedures identifies the problem, contact an authorized 3Com service representative for additional assistance.
  • Page 34 3: T HAPTER ROUBLESHOOTING...
  • Page 35 AFETY NFORMATION Carefully read and follow this safety information before you install or remove any components or perform any maintenance procedures on the Ethernet Power Source (EPS). WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. You must read the following safety information carefully before you install or remove the unit.

  • Page 36: Important Safety Information

    A: S PPENDIX AFETY NFORMATION Important Safety Installation and removal of the EPS must be carried out by qualified Information personnel only. Always connect the EPS to an earth (ground) connection when you connect it to an AC outlet (power supply). To comply with European safety standards, the EPS must always be connected to an earthed (grounded) outlet.

  • Page 37: L'information De Sécurité Importante

    WARNING: The RJ45 ports are shielded RJ45 data sockets. They cannot be used as telephone sockets. Connect only RJ45 data connectors to these sockets. 3Com suggests that you use unshielded data cables with unshielded jacks when making connections to these data sockets. L’information de L'installation et la dépose de ce groupe doivent être confiés à...
  • Page 38 A: S PPENDIX AFETY NFORMATION que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. Cordon électrique — Il doit être agréé dans le pays d'utilisation: Table 10 Sécurité Importante Etats-Unis et Le cordon doit avoir reçu l'homologation des UL et un Canada certificat de la CSA.

  • Page 39: Wichtige Sicherheitsinformationen

    Wichtige Sicherheitsinformationen Wichtige Sicher- Die Installation und der Ausbau des Geräts darf nur durch heitsinformationen Fachpersonal erfolgen. Wenn die Ethernet Power Source (EPS) Einheit in einer Stapel mit anderen SuperStack II Hub Einheiten eingebaut werden soll, muß die EPS Einheit unter die schmaleren Hub Einheiten eingebaut werden. Das Gerät ist unter keinen umständen an einen Wechselstrom (A.C.) Netzstecker anzuschließen ohne erdungsleitung.
  • Page 40 A: S PPENDIX AFETY NFORMATION...
  • Page 41 ECHNICAL PECIFICATIONS AND SSIGNMENTS Table 11 Technical Specifications for the Ethernet Power Source Physical Dimensions Height: 76 mm (3.0 in.) x Width: 483 mm (19.0 in.) x Depth: 300 mm (12.0 in.) Weight: 5kg (10.8lbs) Environmental Requirements Operating Temperature 0° to 50°C (32° to 122°F) Storage Temperature 10°...
  • Page 42 B: T PPENDIX ECHNICAL PECIFICATIONS AND SSIGNMENTS Pin assignments are the same for the 10BASE-T and 100BASE-TX RJ45 connectors. Table 12 Pin Assignments Pin Number Signal Function Input Ports (Data + Power) RxData + Receive data from DTE / NIC RxData –...
  • Page 43 If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1, 2000, and Customer notifies 3Com before the later of April 1, 2000, or ninety (90) days after purchase of the product from 3Com or its authorized reseller, 3Com shall,...
  • Page 44 IMITATION OF IABILITY TO THE FULL EXTENT ALLOWED BY LAW, 3COM ALSO EXCLUDES FOR ITSELF AND ITS 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...

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3c10222

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