Hardware Installation Manual 72 Document #: LTRT-94720
Mediant 3000
Item # Description
1
PEM power socket (with removed screw-type terminal block)
2
DC crimp-type terminal block
Notes:
• To ensure power redundancy, connect both PEM modules to the power source.
• To power down the device, disconnect both DC power sources.
To connect power using a DC terminal block screw connector:
1. Remove the terminal block screw from the chassis power socket (labeled DC IN), by
unscrewing the two screws located on the front of the terminal block.
2. Ensure that the power feed cables that you want to use are not connected to your DC
power outlet.
3. Create a DC power feed cable by inserting two 48 VDC insulated wires (up to 10
AWG) into the terminal block screw. Secure the wires by fastening the two screws,
each one located directly above each wire. Ensure the correct polarity (positive + and
negative -), as indicated under the DC IN label.
4. Connect the two insulated wires to the correct DC power outlet. Ensure that the
connections to the DC power outlet maintain the correct polarity.
5. Re-insert the terminal block screw connector into the DC inlet located on the chassis.
Secure the terminal block by tightening the two screws located on the front of the
terminal block.
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