EVERFOCUS ELECTRONICS CORPORATION
9
.
1 2~25 26
Even
parity
Data
Odd
parity
Figure 3.2 wiegand 26 format (bit)
Unlike specialized RS-232 format, the keypad input is processed separately from the
card information. Each time the keypad is pressed, the data bus of Data 0 (green wire)
and Data 1 (brown wire) will send out a corresponding digit combination, as Table 3.1
shows:
Table 3.1 Data 0 and Data1 combination for keypad input
Keypad input Data 0 Data 1
1 0001 1110
2 0010 1101
3 0011 1100
4 0100 1011
5 0101 1010
6 0110 1001
7 0111 1000
8 1000 0111
9 1001 0110
* 1010 0101
0 0000 1111
# 1011 0100