Figure 51: Securing Ring Lugs To The Terminals On The Dc Power Supply - Juniper EX4300 Hardware Manual

EX4300 Switch Hardware Guide
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192
supply to which you connected the ring lug of the positive (+) DC power source
cable from the second DC power source.
Connect the ground wire to earth ground if the switch is not in a grounded rack.
e.
Tighten the screws on the power supply terminals on both the power supplies
f.
until snug using the screwdriver. Do not overtighten—apply between 8 lb-in.
(0.9 Nm) and 9 lb-in. (1.02 Nm) of torque to the screws.
If you have a second installed power supply, connect it in the same way you did the
first.

Figure 51: Securing Ring Lugs to the Terminals on the DC Power Supply

Replace the terminal block cover.
12.
Close the input circuit breaker.
13.
Verify that the and
IN OK
14.
steadily.
DC Power Supply in EX4300 Switches on page 57
DC Power Supply LEDs in EX4300 Switches on page 62
LEDs on the power supply are lit green and are on
OUT OK
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