D-Link DXS-3600-EM-4QXS Hardware Installation Manual page 19

DXS-3600-32S 10GbE Layer 2/3 Switch Hardware Installation Guide
Figure 2-7 Installing a DC Power Supply Module
Figure 2-8 Connecting a DC Battery to the DC Power Supply Module
The DC power and AC power of the device will backup each other immediately when one of the power sources fail. If
both power sources fail, unplug the switch. When the power source has been restored, plug the switch's power back in.
Before connecting the DC power cable to the DC power input socket, on the switch, the DC power cable must be
properly connected to DC source, at your facility, by a qualified, licensed electrician. The DC power cable's wire size
must be 18AWG. Connect the DC power cable to a DC main circuit breaker rated no greater than 15A.
If you are installing a DC-powered switch, you must ground the chassis before connecting the switch to the DC power
source, following the following instructions:
12