If the power supply is a cord with electrical connections at each end, the product uses a power cord.
Figure : Power cord
If the power supply is a cord connected to a module or box, the product uses a power module. The power module might have a permanently attached power cord, or the power cord might detach from the power module. The term power module refers to both the power module and the power cord.
Figure : Power module with power cord permanently attached
Figure : Power module that uses a detachable power cord
IMPORTANT If the product uses a power module, make sure that the power module part number is the same as the part number listed in the User Guide to make sure that you have the correct power module.