The Baud-rate is the transmission speed.

Here's a list of the Mazatrol controls baud rate parameter:

• T1 - Parameter A7 (Default at 16 which is 4800 baud)
• T32/T+ - Parameter I1 (Default at 2 which is 4800 baud)
• M32/M+ - Parameter G1 <CMT/KASS> (Default at 2 which is 4800 baud)
• 640M - There's a dialog

• Baud rate
• Communication settings