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MEK-1001
Table 2: CN_1 30-pin Connector Signals for MDI-1000 series
(Opposite pin assignments from the ones of scan engines.)
No.
Name
1
Reserved
2
Reserved
3
EX_ILLUMn
EX LED signal
4
USB_V
5
USB power output
CC
5
Reserved
6
GND
System ground
7
USB-
8
USB+
9
GND
System ground
10
Reserved
11
Reserved
12
Reserved
13
V
3.3V-power supply output
CC
14
Reserved
15
GND
System ground
16
Reserved
17
GND
System ground
18
Reserved
19
TRIGn
Start operation signal
(When in power down mode)
Recovery signal from the power
20
AIM/WUPn
down state
(When not in power down mode)
Aiming control signal
21
GR_LEDn
Notifies successful scanning
22
BUZZER
Buzzer sounding signal
POWER
Notifies power down state of the
23
DOWN
scan engine
24
RTS
Comm. Control signal to the host
Comm. Control signal from the
25
CTS
host
26
T D
Data reception signal
27
R D
Data transmission signal
28
GND
System ground
29
V
3.3V-power supply output
CC
Maintenance mode control
30
DWNLDn
signal
Note: Signal names are the same with the signal names of MDI scan engines.
Signal
Function
I/O
Out
Out
Out
Out
In/Out
In/Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Control
L: External light ON
In
H: External light OFF
In
In
In
L: Start operation
H: No action
L: Recovery from the
power down state
H: No action
L: Aiming LED ON
H: Aiming LED OFF
L: LED ON
In
H: LED OFF
L: Buzzer OFF
In
PWM: Buzzer ON
L: Normal state
In
H: Power down state
In
In
L: Maintenance mode
H: Non-operating status
TS07004
Notes
Not connected
Not connected
Controls the external light
source.
USB bus power monitor
USB 1.1
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Command to start capturing
images or to start decoding
PWM signal controls the tone
and the loudness of buzzer
Data output request from the
scan engine
Data output request to the scan
engine
Asynchronous data
transmission to the host.
Asynchronous data
transmission from the host.
Check the signal upon the
power supply and enable to
re-write on the software.
2
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