Modules - Juniper PTX3000 Quick Start Manual

PTX3000 Packet Transport Router Quick Start
20
Connect Redundant DC Power to the PTX3000 DC Power Supply Modules
To connect the DC source power cables to both DC PSM inputs for redundant power:
To connect the packet transport router to DC power, you need the following tools and
1.
parts:
7/16-in. (11 mm) nut driver, for tightening nuts to the terminal studs
CAUTION:
the nuts. Applying excessive torque damages the terminal studs. The
maximum torque that may be applied to this nut is 24 lb-in. (2.7 Nm).
Phillips (+) screwdriver, number 1
DC power cables, which you must provide
DC power lugs
Ensure that the voltage across the DC power source cable leads is 0 V and that there
2.
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
3.
the strap to the ESD point on the chassis.
Switch the power switch on the power supply module (PSM) faceplate to the standby
4.
position ( ).
Loosen the captive screw on the PSM.
5.
Grasp the PSM, and pull it out to remove it from the chassis (see
6.
The DC PSM weighs 5.4 lb (2.5 kg).
Figure 15: Removing a DC PSM
Set the switches for input
7.
You must use an appropriate torque-controlled tool to tighten
and input to the on position (
1 2
Figure 15 on page
) for redundant power.
ON
Copyright © 2014, Juniper Networks, Inc.
20).