Reader Operation
24
AYC-Ex5/T65 Series Installation and Programming Manual
3.2.4
Selecting Proximity Card Transmission Format
There are three proximity card transmission formats.
More information on each of the proximity card transmission
formats is presented in Section
To select the proximity card transmission format:
1.
Enter Programming mode.
2.
Press
2
to enter Menu 2.
The left LED turns red.
3.
Enter one of the following options:
1
– Wiegand 26-Bit
2
– Clock & Data
3
– Wiegand Card + PIN
You hear three beeps.
The system returns to Standby mode.
3.2.4.1
Proximity Card Transmission Formats
Option 1: Wiegand 26-Bit
In this mode, 3 LSB bytes from the card serial number (UID) are
transmitted in Wiegand 26-Bit format. Two parity bits are added. An
even parity bit is sent first, followed by three bytes of card data, and
by an odd parity bit.
(EP) AAAA AAAA AAAA AAAA AAAA AAAA (OP)
Where:
EP = Even parity for first 12 bits
OP = Odd parity for last 12 bits
A = 3 bytes code generated from card data
Green
Red Green
Red