User's Manual

Reader Functionality
AY-H6355BT Installation and User Manual 21
6.2.3.1 Keypad Transmission Format Option Number
Table 3 presents the eight different keypad transmission formats.
Table 3: Keypad Transmission Format Option Number
Keypad Transmission Format Option Number
Single Key, Wiegand 6-Bit (Rosslare Format) 1*
Single Key, Wiegand 6-Bit with Nibble + Parity Bits 2
Single Key, Wiegand 8-Bit, Nibbles Complemented 3
4 Keys Binary + Facility Code, Wiegand 26-Bit 4
1 to 5 Keys + Facility Code, Wiegand 26-Bit 5
6 Keys BCD and Parity Bits, Wiegand 26-Bit 6
1 to 8 Keys BCD, Clock & Data Single Key 8
Single Key, Wiegand 4-Bit 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, 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