Allen-Bradley 1771-PS7 С Series Installation Data page 2

2
Before mounting the 1771-PS7, you should:
mount the I/O chassis. See the Universal I/O Chassis Installation Data
(1771-2.210) for information on mounting the I/O chassis.
set the power supply configuration jumper. The 1771-PS7 is an external
power supply. Set the configuration jumper on the I/O chassis to the
N position.
The 1771-PS7 has a D-sub power connector that provides power to the I/O
chassis backplane.