Figure 124: Disconnecting Power Cables From The Dc Power Supply - Juniper TX MATRIX Hardware Manual

TX Matrix Hardware Guide
276
Switch the circuit breakers on the power supply faceplate to the off position (
3.
NOTE: After powering off a power supply, wait at least 60 seconds before
turning it back on.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
4.
Using a 7/16-in. (11 mm) nut driver or wrench, remove the nuts and washers from the
5.
terminal studs (see Figure 124 on page 276).
CAUTION: You must ensure that power connections maintain the proper
polarity. The power source cables might be labeled
their polarity. There is no standard color coding for DC power cables. The
color coding used by the external DC power source at your site determines
the color coding for the leads on the power cables that attach to the
terminal studs on each power supply.

Figure 124: Disconnecting Power Cables from the DC Power Supply

Remove the cable lugs from the terminal studs.
6.
Loosen the captive screw or screws on the cable restraint on the right edge of the
7.
power supply faceplate.
Carefully move the power cables out of the way.
8.
O
and to indicate
(+) (–)
Copyright © 2010, Juniper Networks, Inc.
).