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.
1 Turn 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.
2 Turn 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
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.
Redundant Power Supply (RPS) Connector
Vent Vent
AC Units Only:
AC Power Connector / Fuse Holder
GND
+
DC Units Only:
DC Power Connector
