iOptron says on its home page ( www.ioptron.com/Articles.asp?ID=295 ) that it uses this command set:

www.ioptron.com/v/ASCOM/RS-232_Command_Language2014_V2.0.pdf

they also say that their ASCOM driver is compatible with
CEM60/CEM60-EC with latest firmware
iEQ30 Pro/iEQ45 Pro/iEQ45 Pro AZ with latest firmware
CEM25P/CEM25-EC/CEM25 with 8408 hand controller firmware 160523 and later
AZ Mount Pro with latest firmware
Cube-II/CubePro w/8408

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