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4. Rotary Switch
The Rotary Switch is an operating mode selector switch which provides functions to configure
with the selection of operating mode and authorization control.
5. VGA Connector
A VGA connector is a 3-row 15-pin connector that can be used with a variety of supported VGA
resolutions (max. resolution up to 1280x1024).
6. microSD Card Socket
The microSD card expansion slot is an interface that is used to access and download
information on a microSD card to a LP-2841 and expand the memory up to 32 GB.
Please note:
The flash and microSD disk have a finite number of program-erase cycles.
Important information should always be backed up on other media or storage
device for long-term safekeeping.
The Li-batteries can continually supply power to the 2 GB SRAM to retain the
data for 10 years (It is recommended that batteries are changed each 5~7 year.)
7. Serial Ports
Device
Definition in LP-2841
name
-
/dev/ttyO1 or COM1
-
Console port
ttyO4
/dev/ttyO4 or COM4
ttyO5
/dev/ttyO5 or COM5
ttyO2
/dev/ttyO2 or COM2
LinPAC-2841 Series User Manual
series SDK
Internal communication with the XV-
board modules
RS-232 (RxD, TxD and GND); Non-
isolated
RS-232 (RxD, TxD and GND); Non-
isolated
RS-485 (Data+, Data-); 2500 VDC isolated
RS-485 (Data+, Data-); 2500 VDC isolated
Description
Version 1.0
Default
Baud
rate
115200
115200
9600
9600
9600
page: 8
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