Juniper EX4200 Hardware Manual page 139

3. Remove the screw securing the terminal block cover using the screwdriver and remove the terminal
block cover (see Figure 44 on page
Figure 44: Removing the Terminal Block Cover from a DC Power Supply
4. Remove the screws on the terminals using the screwdriver. Save the screws.
WARNING:
or drape where people can trip on them.
NOTE: To supply sufficient power, terminate the DC input wiring on a facility DC source
that is capable of supplying a minimum of 8 A at –48 VDC.
5. Connect the power supplies to the power sources. Secure power source cables to the power supplies
by screwing the ring lugs attached to the cables to the appropriate terminals by using the screw from
the terminals (see Figure 45 on page
To connect a power supply to a power source:
a. Leave the jumpers on the power supply terminals in place.
b. Secure the ring lug of the positive (+) DC power source cable to the A+ or B+ terminal on the DC
power supply.
139). Save the screw.
Ensure that the power cables do not block access to switch components
140).
139