
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 TD Data reception signal In Asynchronous data
transmission to the host.
27 RD 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.