EverFocus ERK-871 Instruction Manual page 12

E V E R F O C U S E L E C T R O N I C S
.
1
Even
parity
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
C O R P O R A T I O N
2~25
Data
Figure 3.2 wiegand 26 format (bit)
Data 0
1 0001
2 0010
3 0011
4 0100
5 0101
6 0110
7 0111
8 1000
9 1001
* 1010
0 0000
# 1011
9
26
Odd
parity
Data 1
1110
1101
1100
1011
1010
1001
1000
0111
0110
0101
1111
0100