Hi Wei Zhao,
You will need the cable OPN: HAR000255
Desc: SPLIT CABLE. FROM A SINGLE RJ45 TO 1 FEMALE AND MALE DB9 CONNS. 1 DB9 FOR I2C AND 1 DB9 FOR SERIAL
Run the below
i2c /dev/mst/mtusb-1 -d 1 -a 1 w 0x60 0x20 0x10
i2c /dev/mst/mtusb-1 -d 1 -a 1 w 0x62 0x00 0x01
If output will 0x48 then path opened successfully
otherwise - failed to open 0x48