The RAS-REM Remote Control Panel provides an interface identical in look and function to the front panel of the RAS-208 or RAS-216 Passive Audio Switchers. It supports short- or long-distance RS485 serial connections up to 1000 feet (305 meters) using standard CAT5 shielded cable. Each unit includes a 25-foot (8-meter) cable for easy installation.Main Features:Remote Control Panel provides direct control of RAS-200 Series Passive Audio SwitchersRemote panels match the exact look and feel of the switcher front panelsSupports long-distance RS485 serial communication up to 1000 ft (305 m)Includes 25 ft (8 m) CAT5 shielded cableSimple single-cable CAT5 shielded connectionSpecifications:Number of Controls: Sixteen (16) pushbuttonsRear Panel Interface: RJ45 for RS485 serial interfaceInterface Cable Limit: CAT5 shielded cable up to 1000 ft (305 m)Operating Temperature: 32122F (050C)Humidity: 95%, non-condensingMechanical Dimensions: 19″ W 2.25″ D 1.75″ H (483 57 44 mm), 1RUShipping Dimensions: 22″ W 4″ D 4″ H (559 102 102 mm)Shipping Weight: 2 lb (1 kg)