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CHAPTER 7: CONNECTING
The keypad connects to the system by a 4-pin connector located on the rear side of the keypad.
FIGURE 7-1. CONNECTING THE KEYPAD
Pin connection of the 4-pin connector is described in the following figure and table.
FIGURE 7-2. 4-PIN CONNECTOR
TABLE 7-1. 4-PIN CONNECTOR PINOUT
PIN NUMBER IN FIGURE 7-2
SIGNAL
Pin 1
+24 VDC
Pin 2
GND
Pin 3
A+
Pin 4
B-