H3C PSR650-A, User Manual, Page: 13 / 13

9
Connecting the DC Power Cables
Figure 8 Connect the DC power cables
CAUTION:
•
Turn off all power supplies to the device before connecting
the DC power cables.
•
The power cord color code scheme in Figure 8 is for
illustration only. The cable delivered for your country or
region might use a different color scheme. When you
connect a power cord, always identify the polarity symbol on
its wires.
To connect the PSR650-D power module, proceed as follows:
1. Remove the protection cover from the wiring terminals.
2. Loosen the fastening nut on the wiring terminals with a No. 2
Philips screwdriver.
3. Connect the other ends of the wires to the DC power source
wiring terminals, with the negative wire (– or L–) to the negative
terminal (–) and the positive wire (+ or M/N) to the positive
terminal (+).
4. Put the protection cover on the wiring terminals.
5. Connect the other ends of the DC power cables to the wiring
terminals of the power source.