Juniper Networks EX4200, EX3200 manual Connecting the Switch

Chapter 11: Connecting the Switch

a.Remove the jumpers on the power supply terminal block.

b.Secure the ring lug of the positive (+) DC power source cable from the first DC power source to the A+ terminal on the first DC power supply.

c.Secure the ring lug of the negative (–) DC power source cable from the first DC power source to the A– terminal on the first DC power supply.

d.Secure the ring lug of the positive (+) DC power source cable from the second DC power source to the A+ terminal on the second DC power supply.

e.Secure the ring lug of the negative (–) DC power source cable from the second DC power source to the A– terminal on the second DC power supply.

f.Tighten the screws on the power supply terminals on both the power 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 58: Securing Ring Lugs to the Terminals on the DC Power Supply in an EX3200 or EX4200 Switch

6.Replace the terminal block cover and secure it using the screw. Use the Phillips (+) screwdriver, number 2 to tighten the screw.

7.Close the input circuit breaker.

8.Verify that the LEDs on the power supply are lit green and are on steadily.

Related Topics ■ Connecting and Configuring an EX Series Switch (CLI Procedure) on page 161

■Connecting and Configuring an EX Series Switch (J-Web Procedure) on page 163

■Power Supply in EX3200 and EX4200 Switches on page 26

■DC Power Supply LEDs in EX3200 and EX4200 Switches on page 30

Connecting DC Power to an EX3200 or EX4200 Switch ■ 151