Replacing A T1600 Dc Power Supply Cable; Removing A T1600 Dc Power Supply Cable - Juniper T1600 Hardware Manual

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Replacing a T1600 DC Power Supply Cable

Copyright © 2010, Juniper Networks, Inc.
Verify that the LEDs on the power supply faceplate are lit steadily, indicating
19. CB ON
that the circuit breakers are on.
Verify that the DC OK LED on the power supply faceplate is lit steadily, indicating that
20.
the power supply is correctly installed and is functioning properly. The
blinks momentarily, then lights steadily.
Figure 159: Installing a Four-Input 240-A DC Power Supply
T1600 Power System Description on page 59
Maintaining the T1600 Power Supplies on page 169
Troubleshooting the T1600 Power System on page 185
T1600 Preventing Electrostatic Discharge Damage on page 312
T1600 General Electrical Safety Guidelines on page 330
Removing a T1600 DC Power Supply Cable on page 275
1.
Installing a T1600 DC Power Supply Cable on page 277
2.

Removing a T1600 DC Power Supply Cable

You can use this procedure to remove a DC power cable from a three-input 240-A DC
power supply or a four-input 240-A DC power supply. To remove a DC power supply
cable:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Switch off the customer site circuit breakers for all the cables attached to the power
2.
supply. Make sure that the voltage across the DC power source cable leads is 0 V and
that there is no chance that the cables might become active during the removal
process.
Remove the power cable from the external DC power source.
3.
Chapter 17: Replacing T1600 Router Hardware Components
LED
DC OK
275