Programming Manual

Reader Operation
20 AYC-Ex5/T65 Series Installation and Programming Manual
If an incorrect option number is entered, the reader returns to
Standby mode and the keypad transmission format remains
unchanged.
3.2.3.1 Keypad Transmission Formats
Option 1: Single Key, Wiegand 6-Bit (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, Wiegand 6-Bit 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