User's Manual

Installation

External Battery Power Connections

The unit must be powered by a limited power

source in accordance with standard

UL/IEC 60950-1.

This connection is used for normal operation of the PIU, when

radio communication is required, or when RS485 or RS232

ports are used.

Release the screw at the top of the battery chamber door and

slide the door out, as shown in Figure 10.

Connect the DC Adapter board (FCN6538A) to the DC power

input connector on the back of the unit (Figure 11).

Connect the FKN8250A 7 ft cable to the DC Adapter board.

Connect the other cable end to an external 12VDC battery

through 1A fuse (not supplied).

Close the battery chamber door and secure with the screw.

Error! Not a valid link.

Figure 11

PIU Unit – Rear View with DC Adapter