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Appendix; Definition Of Clock/Data Interfaces; Omron 5 Bit, Magstripe Track Ii; Wiegand - Siemens AR6181-MX Installation And Configuration Manual

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11

Appendix

11.1

Definition of Clock/Data interfaces

11.1.1 Omron 5 bit, Magstripe Track II

11.1.2 Wiegand

/CLOCK = DATA0
/DATA = DATA1
Siemens Building Technologies
Fire & Security Products
Signal diagram:
Before and after data transmission there will be no output of clock pulses (clock,
without data).
/CLOCK
/DATA
/CLS
t
v
t
a(n)
t
b(n)
Structure of information:
According to ISO7811-2 Track 2 (start sentinel, data, stop sentinel, LRC)
Data format: 5 bit, (4 Data bits, 1 parity).
Signal diagram:
t
n
1
/CLS
t
v
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 ID No. on the ID card can be adjusted.
t
n
t
a
0
1
1
t
b
t
n
≈ t
/ 3
n
≈ t
/ 2
n
t
= t
10 ... 12 ms
v
s
0
0
1
t
n
t
= t
10 ... 12 ms
v
s
0
0
t
s
≈ 1 ms
0
1
t
s
≈ 1 ms
Appendix
45
12.2004

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