The RC-43SL is a touch-sensitive 6-button control keypad. Connected over Ethernet to Site-CTRL™ remote AV control, site management & monitoring system, as well as LAN-connected control gateways for extended controlled devices capacity. It also connects over KNET™ to master room controller and auxiliary keypads for remote keypad control. It can flexibly serve either as a standalone room controller, part of multi-units KNET™ system, or part of multi-unit Ethernet system managed by Kramer Site-CTRL™ site management platform. The RC-43SL is ideal for auditoriums and meeting rooms, for convenient control of their complex multimedia systems and other room facilities such as screens, lighting and shades. Touch-Sensitive & Label Capable Buttons - 6 white-color LED-feedback buttons. Custom Labeled, Removable Button Caps. 1 K-NET™ Connector - Connect to master room controller, and auxiliary keypads for remote keypad control. K-NET™ Single Link Connection - Provides a single keypad link cable-connectivity, carrying both power and keypad control. 2 RS-232 Bi-directional Control Ports - Control a device via bi-directional serial control protocols. 2 IR Emitter Control Ports - Control a device via IR control protocols. 3 Relay Control Ports - Control a device via Relay Contact Closure, such as scrolling up and down screens, drapes, shades, and blinds. IR Sensor Port - Learns commands from IR remotes. Program Control - Program configuration with Kramer K-Config software. Kramer Site-CTRL™ Compatibility - For network management and remote control over the Ethernet port. Mini USB Port - To upload configuration files, set the K-NET™ ID number, and power the device during configuration. Mounting - In-wall, in standard 1 gang US wall junction boxes. Easy Installation - Fits to standard in-wall boxes for simple and cost-reducing installation.