Juniper EX4200 Hardware Manual page 136

5. Push the cord into the slot in the adjustment nut of the power cord retainer. Turn the nut until it is
tight against the base of the coupler and the slot in the nut is turned 90° from the top of the switch
(see Figure 42 on page
6. If the AC power source outlet has a power switch, set it to the OFF (0) position.
7. Insert the power cord plug into an AC power source outlet.
8. If the AC power source outlet has a power switch, set it to the ON (|) position.
9. Verify that the AC OK LED on the power supply is lit and is on steadily.
NOTE: When you connect power to the switch, the Alarm (ALM) LED lights red. This behavior
is normal. Plugging an active Ethernet cable into the management (MGMT) port on the switch
completes the network link and turns off the ALM LED. (See
for Out-of-Band Management" on page
Connecting the switch to a dedicated management console instead of a network does not
affect the ALM LED. The LED remains red until the switch is connected to a network.
Figure 41: Connecting the AC Power Cord Retainer Clip to an AC Power Supply in an EX4200 Switch
Figure 42: Connecting an AC Power Cord to an AC Power Supply in an EX4200 Switch
136).
141.)
"Connect a Device to a Network
136