21
4.
Connect the other end of the AC power cord to an AC power source.
Figure 3-17 Connecting an AC power cord
Connecting a DC power cord
1.
Remove the cover on the power tray, as shown in
Keep the removed cover secure and reinstall it after connecting the power cord.
Figure 3-18 Removing the cover from the power tray
2.
Remove the screws on the terminal blocks.
3.
Use the screws to connect the black wires to the positive terminals marked with RTN(+) and
the blue wires to the negative terminals marked with NEG(–), as shown in
Figure 3-19 Connecting DC power cords to the DC terminal blocks
4.
Connect the other end of the power cord to a DC power source.
Connect the blue wires to the negative terminals marked with –48V and the black wires to the
positive terminals marked with RTN(+).
5.
Reinstall the cover on the power tray and then use a Phillips screwdriver to fasten the captive
screws.
(Optional) Installing power trays
The device comes with two power trays installed. You can install more power trays on it.
To install a power tray:
