Setting The Input Mode Switch On A Three-Input 240-A Dc Power Supply For A T640 Router; Figure 178: Three-Input 240-A Dc Power Supply - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Setting the Input Mode Switch on a Three-Input 240-A DC Power Supply for a T640 Router

360
NOTE: Do not set the input mode switch if the power supply is installed in
the chassis. If the power supply is already installed, you must disconnect all
cables and remove the power supply before setting the input mode switch.
To set the input mode switch (see
Using a screwdriver, loosen the captive screw holding the metal cover over the input
1.
mode switch (see Figure 178 on page
Rotate the metal cover away from the input mode switch to expose the switch.
2.
Check the setting of the input mode switch. Use a flashlight, if necessary. In
3.
mode, the switch must be located all the way to the right.
If the input mode switch is not set correctly, use a sharp, nonconductive object to slide
4.
the switch all the way to the right to set the power supply to
CAUTION: Do not use a pencil, because fragments can break off and cause
damage to the power supply.
Rotate the metal cover over the input mode switch, and use a screwdriver to tighten
5.
the captive screw.

Figure 178: Three-Input 240-A DC Power Supply

Figure 178 on page 360) to
360).
Copyright © 2017, Juniper Networks, Inc.
2-INPUT mode:
2-INPUT
.
2-INPUT