RS-232 | RS-422 | RS-485 | ||
---|---|---|---|---|
PIN | COM | COM | COM | |
1 | DCD1# | 422 TX - | 485 - | |
2 | SIN1 | 422 TX + | 485 + | |
3 | SOUT1 | 422 RX - | ||
4 | DTR1 | 422 RX + | ||
5 | GND | |||
6 | DSR1# | |||
7 | RTS1 | |||
8 | CTS1# | |||
9 | RI1# |
Please note: Before performing the below steps, please install the hardware according to the installation guide as found in the specification PDF.
Successfully tested M.2-3042 modules:
Brand | Model | |
---|---|---|
Sierra | EM7455 | CAT 6, for Europa and North America |
Sierra | EM7430 | CAT 6, for APAC |
Huawei | ME906S | CAT 4, for EMEA, Australia, New Zealand |
Quectel | EM06-E | CAT 6, for EMEA, Australia, Brazil |
Check the following BIOS setting to ensure that the LTE module will be recognized correctly.
Go to Advanced → Onboard Device Configuration → E → Key Device Select and change from PCIE
to USB
The first COM port is marked on this photo:
For safety reasons, please ensure that the power cord is disconnected before opening the case.
This mainboard does only support 1.2 V DDR4 SO-DIMM memory modules.
Del
key while booting to enter BIOS. Here, please load the optimised BIOS settings.1=NA 2=NA 3=NA 4=NA 5=GND 6=GND 7=GND 8=+5V 9=+5V 10=+5V 11=+5V 12=GND 13=GND 14=GND 15=SATA_TX_P 16=SATA_TX_N 17=GND 18=SATA_RX_N 19=SATA_RX_P 20=GND
1=OP(+) 2=GND
1=RTCRST 2=+5V 3=GND 4=PWRSW
1=V_BAT 2=GND
1=LPC_24M 2=LAD1 3=SIORST- 4=LAD0 5=LFRAME- 6=+3.3V 7=LAD3 8=GND 9=LAD2 10=NULL
COM PORT Pin 9 “Ring Indicator” (RI) configuration:
Configure COM 1 with the first jumper:
Configure COM 2 with the second jumper:
1=-XRI1 2=COM_-XRI1 3=-XRI2 4=COM_-XRI2 5=+5V 6=+5V 7=COM1_PWR 8=COM2_PWR 9=+12V 10=+12V
1=DCD 2=RX 3=TX 4=DTR 5=GND 6=DSR 7=RTS 8=CTS 9=RI 10=NULL