Installing Backup Power | 39
2 Plug the other end of the DC-to-DC cable into the receptacle on the lower left side of the external PSU
(
Figure 5-9
).
Figure 5-17. DC-to-DC Connection
3 Tighten the captive screws on the sides of the connector cable by turning them clockwise.
4 Insert your AC cable into the AC receptacle of the PSU. Ideally, you should connect that AC cable to an AC
source separate from the AC connection made directly to the switch.
Step Task
DC-to-DC Cable
fn00153s50N
DC Power Module
-48V
RTN
-48V
S50N
, 3.6A
FG
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