1 HV Installation and Operations Guide

Chapter 3 Power Distribution Unit Installation (PDU) 59

Chapter 3

Figure 20 Power Distribution Unit Installation in the 20/700 Tape Library

3. Tighten the screws to force the star washers to pierce the paint and make

solid contact with the metal column. This connects the rack chassis with

earth ground to protect against possible electric shock.

4. Connect the power cables from the devices to the PDU.

5. When connecting the PDU to the main power cable, secure the cable with

the clamp. Plug the main cable into the wall outlet. Verify that the current

capacity of the wall circuit to be used will not be exceeded by the

additional devices.

6. Do not power on the bridge(s) until the SCSI devices are connected.