Connect Dc Power To An Acx5400 Router - Juniper ACX5448-D Hardware Manual

Figure 66: : Connect an AC Power Cord to an ACX5448-D or ACX5448-M router
5. Power on the power supply at source.

Connect DC Power to an ACX5400 Router

The power supply module (PSM) in an ACX5400 router is a hot-removable and hot-insertable
field-replaceable unit (FRU). You can remove and replace it without powering off the router or disrupting
routing functions.
WARNING:
restricted-access location.
NOTE: The battery returns of the DC power supply must be connected as an isolated DC return
(DC-I).
Before you begin connecting DC power to the router:
Ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage
(see "Prevention of Electrostatic Discharge Damage" on page
Ensure that you have connected the router chassis to earth ground.
DC-powered ACX5400 routers are intended for installation only in a
191).
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