Juniper EX 3200 Manual page 4

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4
Connecting DC Power to an EX 3200 or EX 4200 Switch
Secure the ring lug of the negative ( ) DC power source cable from the
c.
first DC power source to the A terminal on the first DC power supply.
Secure the ring lug of the positive (+) DC power source cable from the
d.
second DC power source to the A+ terminal on the second DC power
supply.
Secure the ring lug of the negative ( ) DC power source cable from the
e.
second DC power source to the A terminal on the second DC power
supply.
Tighten the screws on the power supply terminals on both the power
f.
supplies until snug using the Phillips (+) screwdriver, number 2. Do not
overtighten—apply between 8 lb-in. (0.9 Nm) and 9 lb-in. (1.02 Nm) of
torque to the screws.
Figure 3: Securing Ring Lugs to the Terminals on the DC Power Supply in EX 3200
and EX 4200 Switches
Replace the terminal block cover and secure it using the screw. Use the
7.
Phillips (+) screwdriver, number 2 to tighten the screw.
Close the input circuit breaker.
8.
Verify that the LEDs on the power supply are lit green and are on steadily.
9.
DC Power Supply LEDs in EX 3200 and EX 4200 Switches describes the LEDs on the
DC power supplies in EX 3200 and EX 4200 switches.
Connecting and Configuring the EX-series Switch (CLI Procedure)
Connecting and Configuring the EX-series Switch (J-Web Procedure)
Power Supply in EX 3200 and EX 4200 Switches
Connecting AC Power to an EX 3200 or EX 4200 Switch