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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.
Pin connection of the 4-pin connector is described in the following figure and table.
FIGURE 7-1. CONNECTING THE KEYPAD
FIGURE 7-2. 4-PIN CONNECTOR
TABLE 7-1. 4-PIN CONNECTOR PINOUT
PIN NUMBER IN FIGURE 7-2
Pin 1
Pin 2
Pin 3
Pin 4
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SIGNAL
+24 VDC
GND
A+
B-
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