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4.2.5 DI/GPS Function Selection (SW2)
If the GPS module with Dead Reckoning function is used, the digital inputs 3/4 will be
used as inputs of GPS module. DIP switch (SW2) is used to select the function on DI
3/4 (Digital Input 3/4).
Table 4.9: Pin 9 of COM8 Function Selection (J3)
SW2.1
SW2.2
SW2.3
SW2.4
4.2.6 COM Port Interface
The computer provides ten serial ports in total for difference uses. Six of the ten serial
ports (COM1~COM6) are implemented via the Super I/O chip and their physical
address are fixed. The other four serial ports are via USB serial converter, and need
driver support to work. Advantech provides WES (Windows Embedded Standard),
WinXPe and Win CE 6.0 OS, the four USB-to-Serial serial ports are fixed from COM8
to COM11).
Table 4.10: Serial Port Function
Port
COM1
COM2
COM3
COM4
COM5
COM6
COM8
COM9
COM10
COM11
Table 4.11: Serial Port Settings
Port
COM1
COM2
COM3
COM4
COM5
COM6
TREK-550/303 User Manual
Digital Input
OFF
ON
OFF
ON
Function
2-wire RS-232 (TXD/RXD) for TREK-303
3-wire RS-232 (TXD/RXD/RTS) for Touch on TREK-303
Full functional RS-232
For power management control
RS-485
J1708
Full functional RS-232
4-wire RS-232 (TXD/RXD/RTS/CTS)
For WWAN module
For WWAN module
Address Range
3F8 ~ 3FF
2F8 ~ 2FF
2E8 ~ 2EF
2D8 ~ 2DF
2E0 ~ 2E7
2D0 ~ 2D7
GPS (for Dead-Reckoning)
ON
OFF
ON
OFF
Interrupt
4
3
5
7
10
11
22
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