Manually Powering On the AC Rack Containing a PDU
1. Set the key mode switch to the Service position.
Note: For a translation of this notice, see the System Unit Safety Information manual.
This product is equipped with a 3-wire power cable and plug for the user's safety. Use
this power cable in conjunction with a properly grounded electrical outlet to avoid
Note: Ensure that the power button is in the off position (button in the out position) before
plugging the CPU enclosure power cord into the power distribution system on your
2. Plug the system unit power cord into the electrical outlet.
3. If the battery backup unit is installed, set the Master CB2 circuit breaker to On.
Note: Ensure that the key mode switch is set to the Service position to prevent system unit
power from being switched on unexpectedly.
4. Set the Master CB1 circuit breaker to On.
Key Mode Switch
Battery Backup Unit
Power Distribution Unit
Using the AC Rack