Rosslare AY-Q6250 - Wiegand 32-Bit; Wiegand 32-Bit Reversed; Wiegand 34-Bit

Keypad Programming Instructions (AY-Q6350)
26 AY-Q6x50 Family Installation and Programming Manual
5.9.5 Wiegand 32-Bit
In this mode, 4 bytes of card serial number are transmitted in
Wiegand 32-bit format. No parity bits are added.
AAAA AAAA BBBB BBBB CCCC CCCC DDDD DDDD
Where: A = 4
th
(MSB) byte of card serial number
B = 3
rd
byte of card serial number
C = 2
nd
byte of card serial number
D = 1
st
(LSB) byte of card serial number
5.9.6 Wiegand 32-Bit Reversed
In this mode, 4 bytes of card serial number are transmitted in
Wiegand 32-bit format. Bytes are sent in reversed order. LSB part of
card serial number is sent first and MSB byte is sent last. No parity bits
are added.
DDDD DDDD BBBB BBBB CCCC CCCC AAAA AAAA
Where: D = 1
st
(LSB) byte of card serial number
C = 2
nd
byte of card serial number
B = 3
rd
byte of card serial number
A = 4
th
(MSB) byte of card serial number
5.9.7 Wiegand 34-Bit
In this mode, 4 bytes of card serial number are transmitted in
Wiegand 34-bit format. Bytes are sent in reversed order. LSB part of
card serial number is sent first and MSB byte is sent last. An even
parity is sent first, followed by 32 bits data followed by odd parity bit.
(EP) AAAA AAAA BBBB BBBB CCCC CCCC DDDD DDDD (OP)