Dell Z9100-ON Installation Manual - Page 24

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Power Supplies

The Z9100–ON ships with two AC or DC power supplies.

The Z9100–ON supports AC or DC power supplies with two air-flow directions (from the I/O to the PSU

and from the PSU to the I/O). Two PSUs are required for full redundancy, but the system can operate with

a single PSU.

The PSUs are field replaceable. When running with full redundancy (two power supplies installed and

running), you can remove and replace one PSU without disrupting traffic.

CAUTION: To prevent electrical shock, ensure that the Z9100-ON is grounded properly. If you do

not ground your equipment correctly, excessive emissions may result. Use a qualified electrician

to ensure that the power cables meet your local electrical requirements.

NOTE: If you use a single PSU, install a blank plate in the other PSU slot. Dell Networking

recommends using power supply 2 (PSU2) as the blank plate slot. Use a #1 Philips screw driver to

install the blank plate.

NOTE: ESD damage can occur if components are mishandled. Always wear an ESD-preventive wrist

or heel ground strap when handling the Z9100–ON and its components.

Components

The following power supply options are available for the Z9100–ON.

•

AC or DC power supply with integrated fan

•

AC or DC power supply with integrated reverse flow fan

Power supply 1 (PSU1) is on the left side of the chassis; power supply 2 (PSU2) is on the right side of the

chassis.

Figure 11. Z9100–ON Power Supply Units (PSUs)

Power Supplies