3Com 3C10220 manual Rack-mounting, Standard 19-inch equipment racks, Unit, as shown in Figure

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Rack-mounting the EPS

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Rack-mounting the	The EPS is 1.5U high (1 U equals 3.8 cm (1.5 inches)) and fits in most
EPS	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.
	1 Place the EPS upright on a hard, flat surface with the front facing you.
	2 Place a mounting bracket over the mounting holes on one side of the
	unit, as shown in Figure 6.
	Figure 6 Fitting a Bracket for Rack Mounting

3Insert the three screws and tighten with a suitable screwdriver (not provided).

You must use the screws supplied with the mounting brackets. Damage to the unit caused by using incorrect screws invalidates your warranty.

4Repeat step 2 and step 3 for the other side of the EPS.

5Insert the EPS into the 19-inch rack and secure it with suitable screws (not provided). Ensure that nothing obstructs the ventilation holes.

6Connect the network cabling.

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Contents 3Com Ethernet Power Source Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Troubleshooting About this Guide ConventionsList conventions that are used throughout this guide Comments DocumentationYear Compliance3Com Support About this Guide 3COM Ethernet Power Source Overview Power source is designed for use with a standard OverviewFed through the unused pairs 7/8 and 4/5 Front Panel Connections LEDs 2 Receive on pins 3LED Behavior 10/100BASE-TX Data and Power Output PortsTest LED Console Port Rear PanelSample topologies are shown in and Figure Guidelines for Network Configuration3COM Ethernet Power Source Overview Cabling Patch Panel Laptop with Wireless PCM Card 3COM Ethernet Power Source Overview Installing Ethernet Power Source END Devices Suitable Site Choosing aStandard 19-inch equipment racks Rack-mountingUnit, as shown in Figure Repeat and for the other side of the EPSInstalling the Ethernet Power Source and END Devices RJ-45 Input Plug per Port Switch Side List the RJ45 input and output plugs per portRJ-45 Output Plug per Port DTE NIC Side Power Splitter CableData Access Point Ethernet Power SourceWiring Closet Patch Panel Premises 3Com WirelessInstalling the Ethernet Power Source and END Devices Troubleshooting ProblemsSolving EPS Solving EPS Problems Solving EPS Problems Solving NBX Business Telephone Problems To resolve the problemSolving NBX TelephoneSolving NBX Telephone Problems Solving Wireless Access Point Problems Wiring, hubs, and switches Troubleshooting Safety Information Connect it to an AC outlet power supply Important SafetyInformation Connected to an earthed grounded outletSécurité Importante ’information deSécurité Importante France et Pérou uniquementHeitsinformationen Wichtige SicherAppendix a Safety Information PIN Assignments Technical Specifications for the Ethernet Power SourcePin Assignments Pin Number Signal Function3Com Corporation Limited Warranty Warranties Exclusive