Installing An Mx5, Mx10, Mx40, And Mx80 Dc Power Supply; Figure 52: Removing A Dc Power Supply; Figure 53: Disconnecting The Dc Power Cables - Juniper MX5 Hardware Manual

MX5, MX10, MX40, and MX80 Universal Routing Platforms Hardware Guide
120

Figure 52: Removing a DC Power Supply

Figure 53: Disconnecting the DC Power Cables

Installing an MX5, MX10, MX40, and MX80 DC Power Supply

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 install a DC power supply (see
Ensure that the voltage across the DC power source cable leads is 0 V and that there
1.
is no chance that the cable leads might become active during installation.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
2.
ESD points on the chassis.
Switch the DC circuit breaker on the DC power supply faceplate to the off (
3.
Figure 54 on page 122):
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O ) position.