DANGER

Overloading a branch circuit is potentially a fire hazard and a shock hazard under certain conditions. To avoid these hazards, ensure that your system electrical requirements do not exceed branch circuit protection requirements. Refer to the information that is provided with your IBM device for electrical specifiacations. Also adhere to the following statements:

1.If you are connecting to a 120-127 V ac power source, connect each power cord to a separate branch circuit.

2.If you are connecting to a 200-240 V ac power source and the branch circuit rating is:

a.13 amps or less, connect each power cord to a separate branch circuit.

b.14 amps to 19 amps, do not connect more than two power cords to the same branch circuit.

c.20 amps or greater, you may connect up to three power cords to the same branch circuit.

Cabling instructions for vertical-mount PDUs

If your Rack PDU came with more than one line cord, select either the high-voltage cord or the low-voltage cord for your installation. Use the following procedure to connect and route cables for Rack PDUs that you mounted vertically in the side of your rack cabinet:

1.Connect the line cord that comes with this option to the inlet on the Rack PDU; then, remove the screw on the cable clamp c1dand route the line cord through the clamp.

MAIN

MAIN

Figure 65. Connecting and routing the line cord

150Hardware Maintenance Manual: IBM PC Server/Enterprise Racks

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IBM 900, 9TX, 9TS, 9QX, 9QS, 4SB, 4SA, 42P Cabling instructions for vertical-mount PDUs, Connecting and routing the line cord