Setup Guide

5 DC power source wires (black, green, blue).
1 Strip 1/2 inches of insulation from each of the site’s DC power source wires
(black, green, blue). See item 5 in the figure.
2 Insert each of the site’s DC power source’s bare wire lengths into the wiring
block, matching wire colors. See items 3 and 4 in the figure.
WARNING: Do not cross the wires — In the wiring block, blue aligns with
blue, green aligns with green, and black aligns with black.
3 Use a flat-blade screwdriver to tighten the screws that secure the bare wires
into the wiring block.
4 Insert the DC power connector cable end into the power socket of the DC
PSU and tighten the thumb screws. See items 1 and 2 in the figure.
WARNING: Never try to force the power connector into or out of the DC
PSU power socket.
NOTE: To remove the power connector from a DC PSU, unscrew the thumb
screws and pull the power connector from the DC PSU socket.
Installing a Fan Module
The five fan modules and the power supplies are hot-swappable if you install a
second (redundant) power supply.
NOTE
: To run the system, the five fan slots must have operating fan units. If you
do not install a module in each slot, the system shuts down in one minute.
NOTE: The system supports two airflow direction options. You can only use a
single direction in a chassis.
• Normal is airflow from the I/O side to the power supply.
• Reversed is airflow from the power supply to the I/O side.
There are environmental factors that could decrease the amount of time required
between fan replacements. Check these environmental factors regularly. Any
unusual environmental circumstance at the site that causes an increase in
Install the Hardware 19