Figure 99: Connecting The Dc Source Power Cable Lugs To An Input Power - Juniper PTX5000 Hardware Manual

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Figure 99: Connecting the DC Source Power Cable Lugs to an Input Power

Tray
1
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.
CAUTION: All inputs on the DC PDU in slot
dedicated power feeds derived from feed A, and all inputs on the DC PDU
in slot must be powered by dedicated power feeds derived from feed
PDU1
B. This configuration provides the commonly deployed A/B feed
redundancy for the system.
Route the positive (+) DC source power cable through the cable restraint, and connect
13.
it to the input terminal (see
RTN –2
nut driver, tighten the nut to secure the cable lug to the input terminal.
Route the negative (–) DC source power cable through the cable restraint, and connect
14.
it to the input terminal (see
-48 V –1
nut driver, tighten the nut to secure the cable lug to the input terminal.
Chapter 21: Connecting the Router to Power
must be powered by
PDU0
Figure 98 on page 204). Using a 7/16-in. (11-mm)
Figure 98 on page 204). Using a 7/16-in. (11-mm)
and to indicate
(+) (–)
205