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5
Structure and function
Setup
32
Building Technologies
008250_i_en_--
Fire Safety
2013-08-15
5.2.5
Connections
Connection for external power supply
For the power supply, only connect the FDUL221-B power unit kit to the
socket.
USB connection to the PC
Connect the USB cable to the
socket to connect to the PC.
Ground connection
Connect the ground wire/shielding to the yellow/green
socket and connect
the other end to the ground potential.