Rosslare AYC-FG4 Series - Page 19

Re a d e r Func tio na lity
AYC-Fx4 a nd AYC-G x4 fa mily ma nua l Pa g e 18
Option 1: Single Key, 6-Bit Wiegand (Rosslare Format)
Ea c h ke y p re ss im m e d ia te ly se nd s 4 b its with 2 p a rity b its a d d e d .
Eve n p a rity fo r the first 3 b its a nd o d d p a rity fo r the la st 3 b its.
0= 1 1010 0 ="A" in He xa d e c im a l
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 He xa d e c ima l
5= 1 0101 0
# = 0 1100 1 ="C" in He xa d e c ima l
Option 2: Single Key, 6-Bit Wiegand Nibble and Parities
Ea c h ke y p re ss im m e d ia te ly se nd s 4 b its with 2 p a rity b its a d d e d .
Eve n p a rity fo r the first 3 b its a nd o d d p a rity fo r the la st 3 b its.
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 He xa d e c ima l
5 = 1 0101 0
# = 1 1011 1 = "B" in He xa d e c im a l
Option 3: Single Key, 8-Bit Wiegand Nibbles Complemented
Inve rts the m o st sig nific a nt b its in the m e ssa g e le a ving the le a st 4
sig nific a nt b its a s Bina ry-C o d e d De c im a l (BC D) re p re se nta tio n o f
the ke y. The ho st syste m re c e ive s a n 8-b it me ssa g e .
0 = 11110000
6 = 10010110
1 = 11100001
7 = 10000111
2 = 11010010
8 = 01111000
3 = 11000011 9 = 01101001
4 = 10110100
* = 01011010 = "A" in He xa d e c im a l
5 = 10100101
# = 01001011 = "B" in He xa d e c ima l