I have an HL7812 connected to USB. It represents itself as four devices, ttyACM[0-3]. I’ve not found in the documentation what each of these is used for. What data is expected on each port? Thanks,

HL7812 and ttyACM*

jyijyi April 11, 2023, 2:08pm 2

You can see here

Topic		Replies	Views
HL-8548 USB end-point mapping. Legacy HL Series	2	1433	January 7, 2015
HL7802 Setup ppp connecxion over AT_PPP Legacy HL Series	1	1496	July 26, 2021
HL7812 usb IoT Modules	1	352	May 16, 2023
HL7800 stops responding to AT HL78	24	133	February 12, 2025
HL7800 as a network interface in Linux HL78	17	2412	July 26, 2021