Appendix
20
Siemens Building Technologies
Fire Safety & Security Products
02.2010
4.3
Definition of Clock/Data Interfaces
4.3.1
Omron 5Bit, Magstripe Track II
Signal diagram:
Before and after data transmission there will be
no
clock pulses on the line
1
0
1
0
t
n
t
a
t
b
/CLOCK
/DATA
/CLS
t
v
t
s
0
t
n
1 ms
t
a(n)
t
n
/ 3
t
b(n)
t
n
/ 2
t
v
= t
s
10...12
ms
Structure of information:
According ISO7811-2 Track II (Start sentinel, Data, Stop sentinel, LRC)
Data format: 5 Bit, (4 Data bits, 1 parity)
4.3.2
Wiegand
Signal diagram:
DATA 0 (D0)
DATA 1 (D1)
1
1
1
0
0
0
t
n
t
n
1 ms
Structure of information:
The characters / digits read out of cards (transponder) will be transmitted directly
1:1 (no change) without adding any information frames.
If there is a special format required, the corresponding information can be written
into a Mifare as ID-number to satisfy the needs of the customer.
Содержание AR6181-MS
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