The Q-SYS QIO-S4 expands your Q-SYS system’s capabilities to enable streamlined interoperability with non-networked control devices via Serial connectivity. By separating local I/O from processing hardware, the QIO Series network I/O expanders offer modular and easily scalable network I/O to support your desired topology. 

QIO-S4: Featuring four (4) bi-directional RS232 serial ports (including one port with RS422 and RS485 compatibility), the QIO-S4 enables Q-SYS control over lighting systems, video displays, conference systems, broadcast devices and more.