Product data

Note: For a translation of the following notice, see “Appendix D. Translated Safety
Notices” on page 167.
DANGER
In the following step you are going to remove the power cables. These cables
are live if the rack power distribution unit or uninterruptible power supply
(UPS) unit is still switched on.
Step 4. Remove the power cables 2 from the back of the 2104.
Step 5. To return power to the 2104:
a. Reinstall the power cables 2.
b. Set the DC On/Standby switch 1 of each fan-and-power-supply assembly
to On.
Note: You can configure the motor-start sequencing of the 2104 Models DU3
and TU3. For more information, see “Drive Autostart switch” on page 10
and “Delay Motor Start Mode switch” on page 10.
72 2104 Service Guide