Casio IT-2000W Technical Reference Manual page 254

Following the parameter setting shown on the previous page as example, the communication
specifications can be set according to the details listed in the table below.
Parameter
Communication speed
COM specification
Data bits
Parity
Stop bit
Process value
9600 bps
COM1 (RS-232C)
8 bits
None
1 bit
254
Remark
Default
Fixed
Fixed
Fixed