Dell S60 System Handbuch - Seite 23

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Figure 4-2. DC Power Supply

PSU0

Power supply 0 (PSU0) is on the left side of the system; power supply 1 (PSU1) is on the right side of the

system.

Install an AC or DC Power Supply

The PSUs in the S60 system are field replaceable. When both PSUs are up and running, you can remove

one PSU without interrupting traffic.

The PSUs are in a single piece with the fans. You can replace the fan filters individually (in the reverse

[-R] systems), but replacing a PSU also replaces the fans attached to that PSU. For the procedure to

replace only the fan filters, refer to

WARNING: Prevent exposure and contact with hazardous voltages. Do not attempt to operate this system

with the safety cover removed.

CAUTION: Remove the power cable from the PSU prior to removing the PSU. Also, do not connect power to

the PSU prior to inserting the PSU in the system.

NOTE: For a Network Equipment Building System (NEBS)-compliant installation, to protect the AC power

supplies from damage due to excessive power line surges, the AC power connections must use a Surge

Protection Device (SPD).

NOTE: To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC Power Ports, use an

external SPD at the AC input of the router.

NOTE: You must isolate the DC power return conductor from the chassis or frame when you make

connections to the PSU.

To install a PSU, follow these steps:

NOTE: The PSU module slides into the slot smoothly. Do not force a module into a slot as this may damage

the PSU or the S60 system.

Step

Task

Take the PSU out of the shipping box.

For DC PSUs, remove the small plastic cover over the DC connectors. Do not throw the cover away; you will

replace it when you complete the installation.

Use the grab handle to slide the PSU into the power supply bay.

Tighten the securing screw at the top of the PSU.

Attach the power cables.

Securing Screw

Grab Handle

Chapter 5, Fans and

Filters.

Fans and Filters

PSU1

DC Power Connector

Power Switch

Power Supplies