akYtec | Faq | I/O-MODULES | How many devices can the module connect to? How many devices can the module connect to? Any MX210 extension module can simultaneously communicate with up to 4 TCP clients, which facilitates cabling and configuring of the control system. Mx210 I/O-MODULES Rate the answer? You rated this of 5 | Total rating: 0.0 Back to All Topics