EC200T-EUHA Documentation Manual for CMUX Application

IoT Modules LTE Standard Module
1

Hello team, I am trying to connect EC200T-EUHA module to our MCU via UART port, we want to connect PPP and AT command in parallel on same uart port. But couldn’t find any supporting document for AT+CMUX function. Please help us resolve this issue. Thank !

[2023-07-21_11:13:37:854]
[2023-07-21_11:13:37:854]RDY

[2023-07-21_11:13:37:854]+CPIN: READY

[2023-07-21_11:13:37:854]+QUSIM: 1

[2023-07-21_11:13:37:854]+CFUN: 1

[2023-07-21_11:13:37:854]+QIND: SMS DONE

[2023-07-21_11:13:37:854]+QIND: PB DONE
[2023-07-21_11:13:37:854]ATI

[2023-07-21_11:13:37:854]Quectel
[2023-07-21_11:13:37:854]EC200T
[2023-07-21_11:13:37:854]Revision: EC200TEUHAR02A05M16

[2023-07-21_11:13:37:854]OK
[2023-07-21_11:13:37:854]AT+QURCCFG="urcport","uart1"

[2023-07-21_11:13:37:854]OK
[2023-07-21_11:13:37:854]AT+CMUX?

[2023-07-21_11:13:37:854]+CMUX: 0,0,0,0,0,0,0,0,0

[2023-07-21_11:13:37:854]OK
[2023-07-21_11:13:37:854]AT+CMUX=?

[2023-07-21_11:13:37:854]+CMUX: (0),(0-2),(1-7),(1-32768),(1-255),(0-100),(2-255),(1-255),(1-7)

[2023-07-21_11:13:37:876]OK
[2023-07-21_11:13:37:876]AT+CMUX=0,0,5,127,10,3,30,10,2

[2023-07-21_11:13:37:876]ERROR
[2023-07-21_11:13:37:876]
2

Hi @Linh_Bui
Can you give me your email address and I will send you the guidance document.

3

Hi @lyman-Q
my email address: linhns1991@gmail.com, pls send me document and latest firmware for this module.
Thank you !