Owners Manual

Input requirements
• Supply voltage: –(48–60) V DC
• Current consumption: 32 A (maximum)
Kit contents
• Dell part number 6RYJ9 terminal block or equivalent (1)
• #6-32 nut equipped with lock washer (1)
Required tools
Wire-stripper pliers capable of removing insulation from size 10 AWG solid or stranded, insulated copper wire.
NOTE: Use alpha wire part number 3080 or equivalent (65/30 stranding).
Required wires
• One UL 10 AWG, 2 m maximum (stranded) black wire [–(48–60) V DC].
• One UL 10 AWG, 2 m maximum (stranded) red wire (V DC return).
• One UL 10 AWG, 2 m maximum, green with a yellow stripe, stranded wire (safety ground).
System battery
The system battery is used for low-level system functions such as powering the real-time and date settings of the system.
This section contains information about replacing the system battery.
Replacing the system battery
Prerequisites
WARNING
: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. For more information, see the safety information that shipped with your
system.
1 Follow the safety guidelines listed in Safety instructions.
2 Follow the procedure listed in Before working inside your system.
3 Remove the air shroud.
4 If applicable, disconnect the power or data cables from expansion card(s).
5 If applicable, remove the expansion card risers.
6 If applicable, remove the PEM.
Steps
1 Locate the battery socket. For more information on locating the system battery, see System board jumpers and connectors.
CAUTION
: To avoid damage to the battery connector, you must rmly support the connector while installing or removing a
battery.
2 Use a plastic scribe to pry out the system battery as shown in the illustration below.
Installing and removing system components
103