ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 111 of 1039 2021-09-23
For ME910G1 family modules and ML865G1 module:
AT#PORTCFG=?
#PORTCFG: Variant=0: AT= USIF0 USB0 USB1
#PORTCFG: Variant=3: AT= USIF0 USIF1 USB0
#PORTCFG: Variant=8: AT= USB0 USB1
#PORTCFG: Variant=13: AT= USIF0 USB0
OK
The <Variant> range depends on the product.