Reader Functionality
AYC-Fx4 and AYC-Gx4 family manual Page 19
Option 4: 4 Keys Binary + Facility Code, 26-Bit Wiegand
Buffers 4 keys and outputs keypad data with a three digit facility
code like a standard 26-Bit card output.
The facility code is set in Programming Menu number four and
can be in the range 000 to 255. The factory default setting for the
facility code is 000. (See Changing the Facility Code on page 25
for more information).
The keypad PIN code is 4-digit long and can range between 0000
and 9999. On the fourth key press of the 4 digit PIN code, the data
is sent across the Wiegand Data lines as binary data in the same
format as a 26-Bit Card.
If the "*" key or the "#" key are pressed during PIN code entry, the
keypad will clear the PIN code entry buffer, generate a beep and
is ready to receive a new 4 digit keypad PIN code.
If the entry of the 4 digits keypad PIN code is disrupted and no
number key is pressed within 5 seconds, the keypad will clear the
PIN code entry buffer, generate a beep and is ready to receive a
new 4 digits keypad PIN code.
(EP) FFFF FFFF AAAA AAAA AAAA AAAA (OP)
Where:
EP = Even parity for first 12 bits.
OP = Odd parity for last 12 bits.
F = 8-Bit Facility Code.
A = 16-Bit code generated from keyboard.
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