Cisco Systems UBR-3X10 manual Connecting Power, Grounding the Cisco uBR 3x10 RF Switch, 3-14

Chapter 3 Installing the Cisco RF Switch

Connecting Power

Connecting Power

This section includes the following procedures.

•Grounding the Cisco uBR 3x10 RF Switch, page 3-14

•Connecting AC Power to the Power Supply, page 3-16

•Connecting DC Power to the Power Supply, page 3-17

Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Statement 43.

Warning This equipment is intended to be grounded to comply with emission and immunity requirements. Ensure that the switch functional ground lug is connected to earth ground during normal use. Statement 1064

Warning This unit might have more than one power supply connection. All connections need to be removed to de-energize the unit. Statement 1028

Before connecting power and turning on the Cisco uBR 3x10 RF Switch, you must provide an adequate ground connection for your system. Proceed to the following section, “Grounding the

Cisco uBR 3x10 RF Switch,” for a description of the tools you need to connect the required grounding wire to the RF switch. Then, if you intend to connect AC power to the Cisco uBR 3x10 RF Switch power supply, proceed to the “Connecting AC Power to the Power Supply” section on page 3-16. Otherwise, to connect DC power to the RF switch power supply, proceed to the “Connecting DC Power to the Power Supply” section on page 3-17.

Grounding the Cisco uBR 3x10 RF Switch

Before connecting power and turning on the Cisco uBR 3x10 RF Switch, you must provide an adequate ground connection for your system. Earth grounding holes are provided on the left-side panel (power supply side) of the RF switch chassis, approximately three inches back from the front panel.See Figure 3-7 on page 3-15

Warning Use copper conductors only. Statement 1025.

Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024.

Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046.

Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide

3-14 OL-1984-06