User's Manual

Table Of Contents
AYC-Qx4 family manual Page 18
Single Key, 3x4 Matrix Keypad 7
1 to 8 Keys BCD, Clock & Data Single Key 8
Single key, 4-bit Weigand 9
* Option 1 is the default factory setting.
More information on each of the different keypad transmission
formats is available below and on the following pages.
Option 1: Single Key, 6-Bit Wiegand (Rosslare Format)
Each key press immediately sends 4 bits with 2 parity bits added.
Even parity for the first 3 bits and odd parity for the last 3 bits.
0= 1 1010 0 ="A" in Hexadecimal 6= 1 0110 0
1= 0 0001 0 7= 1 0111 1
2= 0 0010 0 8= 1 1000 1
3= 0 0011 1 9= 1 1001 0
4= 1 0100 1 *= 1 1011 1 ="B" in Hexadecimal
5= 1 0101 0 #= 0 1100 1 ="C" in Hexadecimal
Option 2: Single Key, 6-Bit Wiegand Nibble and Parities
Each key press immediately sends 4 bits with 2 parity bits added.
Even parity for the first 3 bits and odd parity for the last 3 bits.
0 = 0 0000 1 6 = 1 0110 0
1 = 0 0001 0 7 = 1 0111 1
2 = 0 0010 0 8 = 1 1000 1
3 = 0 0011 1 9 = 1 1001 0
4 = 1 0100 1 * = 1 1010 0 = "A" in Hexadecimal
5 = 1 0101 0 # = 1 1011 1 = "B" in Hexadecimal