Connecting Power To The Ptx5000 High Capacity Dc Pdus - Juniper PTX5000 Hardware Manual

Connecting Power to the PTX5000 High Capacity DC PDUs

Copyright © 2017, Juniper Networks, Inc.
To connect the DC source power cables to the High Capacity DC inputs:
Verify that a properly rated customer-site circuit breaker for each DC power cable has
1.
been installed. See "PTX5000 DC Power Electrical Safety Guidelines" on page 615
the
PTX5000 Packet Transport Router Hardware Guide
Switch off the customer-site circuit breakers. Ensure that the voltage across the DC
2.
power source cable leads is 0 V and that there is no chance that the cable leads might
become active during installation.
Verify that a licensed electrician has attached appropriate cable lugs to the DC power
3.
cables. See "PTX5000 DC Power Cable and Lugs Specifications" on page 141
PTX5000 Packet Transport Router Hardware Guide
Attach an ESD grounding strap to your bare wrist, and connect the strap to one of the
4.
ESD points on the chassis.
Move the power switch to the standby ( ) position.
5.
Unfasten the screw using a number 2 Phillips (+) screwdriver and remove the terminal
6.
block safety cover.
Remove the nuts from the DC power terminal studs.
7.
Connect the positive (+) DC source power cable to the
8.
Figure 118 on page 222). Using a 7/16-in. (11-mm) nut driver, tighten the nut to secure
the cable lug to the input terminal (see
The terminal studs for each PSM are numbered on the faceplate. For example, the
DC input terminals for PSM0 are
the terminal blocks. There are sixteen 60-A input terminals for the eight PSMs
supported for each PDU.
CAUTION: You must use an appropriate torque-controlled tool to tighten
the nuts. Applying excessive torque damages the terminal studs and power
supply. The maximum torque that may be applied to this nut is 65 lb-in.
(7.3 Nm).
Chapter 21: Connecting the Router to Power
for more information.
for more information.
RTN
Figure 119 on page 222).
and , in the first and second rows of
PSM0_1 PSM0_2
in
in the
input terminal (see
221