Figure 223: Connecting Power To A Three-Phase Delta Ac Power Supply - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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364
Remove the ESD grounding strap from the approved site ESD grounding point. See
17.
the instructions for your site. Reconnect the strap to one of the ESD points on the
chassis.
Verify that the LED on the power supply faceplate is lit steadily, indicating that
AC OK
18.
the AC terminal block is receiving power.
Switch the power switch on the power supply to the
19.
to the router components.
Verify that the LED on the power supply faceplate is lit steadily, indicating that
DC OK
20.
the power supply is correctly installed and is functioning properly. The
blinks momentarily, then lights steadily.
NOTE: After a power supply is powered on, it can take up to 60 seconds
for status indicators—such as the LEDs on the power supply, the command
output displays, and messages on the LED display on the craft interface—to
indicate that the power supply is functioning normally. Ignore error
indicators that appear during the first 60 seconds.

Figure 223: Connecting Power to a Three-Phase Delta AC Power Supply

L1 L2 L3
T640 Three-Phase Delta and Wye AC Power Supply Description on page 71
T640 Three-Phase Delta and Wye AC Power Supply LEDs on page 74
Troubleshooting the T640 Power System on page 207
position (
ON
L1 L2 L3
Copyright © 2013, Juniper Networks, Inc.
) to provide power
|
DC OK LED