Figure 67: Removing A Dc Power Supply - Juniper SRX 5600 Hardware Manual

SRX 5600 Services Gateway Hardware Guide

Figure 67: Removing a DC Power Supply

Installing a DC Power Supply
To install a DC power supply (see Figure 68 on page 140):
1.
2.
3.
4.
5.
6.
7.
8.
138
Replacing Power System Components
Ensure that the voltage across the DC power source cable leads is 0 V and that
there is no chance that the cable leads might become active during installation.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. For more information
about ESD, see "Preventing Electrostatic Discharge Damage" on page 152.
Switch the circuit breaker on the power supply faceplate to the
Using both hands, slide the power supply straight into the chassis until the power
supply is fully seated in the chassis slot. The power supply faceplate should be
flush with any adjacent power supply faceplate (see Figure 82 on page 209).
Tighten the captive screws on the lower edge of the power supply faceplate.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
Remove the nuts and washers from the terminal studs.
Secure each power cable lug to the terminal studs, first with the washer, then
with the nut. Apply between 23 lb-in. (2.6 Nm) and 25 lb-in. (2.8 Nm) of torque
to each nut. (see Figure 69 on page 140).
a. Attach the positive (+) DC source power cable lug to the
terminal.
Attach the negative (–) DC source power cable lug to the
b.
terminal.
OFF position O .
RTN (return)
(input)
48V