User guide

122
10. SERIAL COMMUNICATION
Common
COM port description
What are the Com Ports that are used on the M3 series?
Each COM port is differently used depending on devices. Please refer to below table for the COM Port
description.
COM
M3 RED
M3 GREEN
M3 T
M3 POS
0
-
Vehicle Cradle Serial
-
-
1
Internet
Internet
-
-
2
-
-
USB
Serial1
3
-
-
GPS
RFID
4
Bluetooth Bluetooth
- ICCard
5
Phone
Phone
Serial
Bluetooth
6
Scan / Serial
Scanner
Scanner
Scanner
7
BT / IrDA (Shared)
Bluetooth
Serial2
Printer
8
-
IrDA / Serial (Shared)
Serial3
Phone
9
-
Bluetooth
BT (SS1)
Serial w/ PW
MOC1
-
-
-
-
COM
M3 SKY, MM3
M3 ORANGE
M3 SMART CE
M3 SMART WM
0
Vehicle Cradle Serial
Vehicle Cradle Serial
-
-
1
Phone
-
Phone
Phone
2
GPS
GPS
GPS / DEBUG / Serial
3
- -
GPS/DEBUG
-
4
IrDA
-
Scanner
-
5
-
-
-
-
6
Scanner
Scanner
Bluetooth
Scanner
7
BT (MS)
USB
-
USB
8
Serial Serial Bluetooth
-
9
BT (SS1)
BT (MS, SS1)
-
BT (MS, SS1)
MOC1
RFID
RFID
-
-