Replacing An Mx480 Dc Power Supply Cable; Disconnecting An Mx480 Dc Power Supply Cable; Figure 140: Connecting Dc Power To The Router - Juniper MX480 Hardware Manual

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Replacing an MX480 DC Power Supply Cable

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Figure 140: Connecting DC Power to the Router

Preventing Electrostatic Discharge Damage to an MX480 Router on page 388
MX480 DC Power Supply Description on page 53
Disconnecting an MX480 DC Power Supply Cable on page 327
1.
Connecting an MX480 DC Power Supply Cable on page 328
2.

Disconnecting an MX480 DC Power Supply Cable

WARNING: Before performing DC power procedures, ensure that power is
removed from the DC circuit. To ensure that all power is off, locate the circuit
breaker on the panel board that services the DC circuit, switch the circuit
breaker to the off position, and tape the switch handle of the circuit breaker
in the off position.
To disconnect a power cable for a DC power supply:
Switch off the dedicated customer site circuit breaker for the power supply being
1.
removed. Follow your site's procedures for ESD.
Make sure that the voltage across the DC power source cable leads is 0 V and that
2.
there is no chance that the cables might become active during the removal process.
Verify that the INPUT OK
3.
LED on the power supply is not lit.
Chapter 4: Maintaining Components
327