3Com S330 manual Installing the Optional RPS System, Shelf Fill for AC/DC Power Application

Installation Procedures 39

CAUTION: CENTRALIZED 48VDC UNITS -To be installed only in Restricted Access Areas (dedicated equipment rooms, equipment closets, etc.) in accordance with Articles 110-16 or 110-17, and 110-18 of the National Electrical Code, ANSI/NFPA No.70.

1Turn off the AC/DC power source and connect the AC/DC leads to the front of the shelf. Dress the leads to the rack, leaving a service loop.

2Turn on AC/DC power and verify that the POWER indicator on the power supply is on and that the fans are running. Figure 15 shows the shelf fill for the AC/DC power application.

Figure 15 Shelf Fill for AC/DC Power Application

AC Units Only:

AC Power Connector / Fuse Holder

Redundant Power Supply (RPS) Connector

VentVent

DC Units Only:

DC Power Connector

+

GND

Installing the Optional RPS System

The PathBuilder S330/S310 also supports the SuperStack II Redundant Power Supply (RPS). Figure 15 above shows the location of the RPS. Only connect a 3Com RPS, option 3C16073, to this socket. For details, follow the installation instructions in the guide accompanying the RPS.