Replacing An Mx240 Dc Power Supply Cable; Disconnecting An Mx240 Dc Power Supply Cable; Figure 155: Connecting Dc Power To The Router - Juniper MX240 Hardware Manual

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Replacing an MX240 DC Power Supply Cable

Disconnecting an MX240 DC Power Supply Cable

Copyright © 2017, Juniper Networks, Inc.

Figure 155: Connecting DC Power to the Router

MX240 DC Power Supply Description on page 92
Preventing Electrostatic Discharge Damage to an MX240 Router on page 444
DC Power Supply Electrical Specifications for the MX240 Router on page 143
DC Power Wiring Sequence Warning for M Series, MX Series, and T Series Routers
Disconnecting an MX240 DC Power Supply Cable on page 343
1.
Connecting an MX240 DC Power Supply Cable on page 344
2.
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.
Chapter 26: Replacing Power System Components
343