Rosslare Enterprises Ltd AYC-T65 Manuale Utente
Reader Functionality
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AYC-Ex5 and AYC-T65 Installation and Programming Manual
More information on each of the different keypad transmission
formats is available below and on the following pages.
5.2.3.2
5.2.3.2
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
5.2.3.3
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
5.2.3.4
Option 3: Single Key, 8-Bit Wiegand Nibbles
Complemented
This option inverts the most significant bits in the message leaving the
least 4 significant bits as a Binary Coded Decimal (BCD) representation
of the key. The host system receives an 8-bit message.
of the key. The host system receives an 8-bit message.