Yes

see section 4-2 onwards of the manual:
http://media.extron.com/download/fil...ookA100609.pdf

If direct connection via TCP doesnt work (as you may need a username and password)
then you may have to connect directly via RS232 (or via an RS232 TCP/IP server)

Commands can be sent out using the custom serial devices. Most of it in the manual appears to be in ASCII.

Simon