Why Crestron can use USB to RS232 adapter for programmatically control SX20

[Chris Tsai]

Why Crestron can use USB to RS232 adapter for programmatically control SX20 but have com port notebook cannot(use Putty and hypertrm)?

I try speed 9600,38400,115200,but Putty and hypertrm is no report and cannot enter the function key .

Can i use USB to RS232 adapter connect SX20 like MXP? have any questions is the need to pay attention to it?

[keglass]

This community does not provide technical support and is not staffed with technical support experts.  I recommend you post this and future technical support questions to the Cisco Support Community (https://supportforums.cisco.com/index.jspa) where our Cisco technical support experts provide assistance. Another option is to open a ticket with the Cisco Technical Assistance Center (www.cisco.com/go/support) to get expert debugging assistance.

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