
22
Connecting the DC power cord for a PSR450-12D power
module
1.
Correctly orient the DC power cord plug and insert the plug into the power receptacle on the
power module.
If you orient the DC power cord plug upside down, you cannot insert the plug into the power
receptacle.
2.
Use a flat-head screwdriver to fasten the screws on the power cord connector, as shown
in
3.
Connect the other end of the power cord to the DC power source.
Figure 36 Connecting the DC power cord for a PSR450-12D power module
Verifying the installation
After you complete the installation, verify the following items:
•
There is enough space for heat dissipation around the switch, and the rack is stable.
•
The grounding cable is securely connected.
•
The correct power source is used.
•
The power cords are correctly connected.
•
If part of the network cable for a port is routed outdoors, verify that a network port lightning
protector is used for the port.
•
If a power line is routed from outdoors, verify that a surge protected power strip is used for the
switch.