The VM7514 4-Port HDBaseT Input Board offers an easy way route 4 HDBaseT transmitters to 4 HDBaseT receivers, and in combination with the ATEN Modular Matrix Switches to provide the ability of routing up to 32 input and 32 output HDBaseT connections. Compatible with the VM1600 and can be mixed with modular I/O boards of any type for optimum flexibility. Bi-directional RS-232 channel – allows you to connect to serial terminals or serial devices, such as touch screens and barcode scanners. Bi-directional IR channel – IR transmission is processed one direction at a time.