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Key Management Systems Ltd
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P a g e
Reader Interface Overview
K
M
S
B
U
S
1
2
12V
0V
1
2
3
1
2
3
SIG
LED
LED
SIG
C
H
2
C
H
1
C
H
1
&
C
H
2
Set reader mode for each channel KMS or
Wiegand.
Default SET TO OFF = KMS
S2M
LED
M2S
LED
1
2
3
4
5
6
7
8
Note:
Due to space considerations on the PCB, reader terminations
are labelled 1 through to 3 for each channel.
Reader Connections A and B
1.
LED/Speaker
2.
Wiegand Data 0
3.
SIG/Weigand Data 1
12v. Shared output for Ch1 & Ch2
0v. Shared output for Ch1 & Ch2
Note:
Only one reader can be wired into each channel, where a read
IN and read OUT configuration is required, a separate Reader
Interface will be required per door. Refer to Technical Support for
further information.