GEFFEN GF-PR8 is a programmable control panel that is designed to control your audio/video devices using infrared (IR), RS-232, RS-485, and relay communication. Every button on the wall plate is programmable and works either individually or together. This programmable control panel consists of 3x RS232, 1x RS485, 3x IR, 2x relays, and 1x mini USB interface for easy, one-touch programming. The RS-232 (1) and IR (2) share the same port and cannot be used at the same time. Also, RS232 (2) and IR (3) share the same port and cannot be used at the same time. With this unit you can fully control our products as well as third-party devices such as projectors, screens, TVs, etc. To download pre-configured drivers and RS-232 commands for the device you wish to control, visit GEFFEN GF-PR8 's website or contact GEFFEN GF-PR8 's support team. Program using: USB cable (included) or RS-232 cable (not included) Program port: USB or RS-232 Output port: 3x RS-232, 1x RS-485, 3x IR, 2x relay Serial control port: RS-232 Baud rate/protocol: 9600 baud, 8 data bits, 1 stop bit, no parity Frequency response: 20Hz, 20KHz Power supply: DC 12V/2A Package Contents 1x GEFFEN GF-PR8 programmable control panel 3x 2-pin captive screw connectors 8x Button caps 1x 5ft USB programming cable: A (male) to mini-B (male) 1x Power adapter (DC 12V) 2x IR emitter cables (1x single emitter cable, 1x double emitter cable) 1x Button label sheet (60 labels) 1x User manual