Led; Sim Card; Debug - Vantron VT-M2M-LV User Manual

3.5.5 LED
PWR LED: lightindicatesystem power OK(main power up);offindicate system power turn off
Status LED: User can define by themself.
3.5.6 SIM Card
Push the small button on the left of SIM Card Holder, and install the SIM card to the
holder. Then push the holder into the Slot.
3.5.7 DEBUG
CONN,BOX,1x3x2.0,TH,JST,VERT(JST: B3B‐PH‐K‐S(LF)(SN)), User can show the debug
message and use keyboardinput debug command.
PIN1
Pin
1
2
3
17/ 21
VT-M2M-LV
Description
DGND
SUART2_RXD
SUART2_TXD