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