First I installed FTDIUSBSerialDriver_v2_4_2 driver but after checking the chip on my USB2Serial via system information I got and installed PL2303_MacOSX_1_6_1_20171018 from Prolific. I removed FTDI driver via pkgutil command / had not even tried with FTDI driver to connect via INDI to the mount.

USB2Serial identifies as:

Produkt-ID: 0x2303
Hersteller-ID: 0x067b (Prolific Technology, Inc.)
Version: 3.00
Geschwindigkeit: Bis zu 12 MBit/s
Hersteller: Prolific Technology Inc.
Standort-ID: 0x00120000 / 13

Read More...