Plus Router - Juniper TX Matrix Plus Quick Start Manual

TX Matrix Plus Router Quick Start
Step 8: Connect Power to a Seven-Input 420-A Power Supply in a TX Matrix Plus Router
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The input power tray weighs 3.7 lb (1.7 kg).
To connect the DC source power cables to the seven-input 420-A power supply:
Gather the following tools:
1.
7/16-in. (11 mm) nut driver, with a minimum of 23 lb-in. (2.6 Nm) and 25 lb-in. (2.8
Nm) tightening torque, for tightening nuts to terminal studs on each power supply.
CAUTION:
the nuts. Applying excessive torque damages the terminal studs and
power supply. The maximum torque that may be applied to this nut is
25 in-lb (2.8 Nm).
Phillips (+) screwdriver, number 2.
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 one of the ESD points on the chassis.
Switch the circuit breakers on the power supply faceplate to the
4.
Loosen the captive screws that fasten the input power tray to the power supply.
5.
Figure 12: Removing the Input Power Tray
Grasp the metal handle of the input power tray and pull it down toward you.
6.
Remove the input power tray from the power supply.
7.
Use a Philips screwdriver to loosen screws on the metal input power tray cover.
8.
You must use an appropriate torque-controlled tool to tighten
Loosen captive screws.
Input power tray
position (
OFF
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).
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