Specifications include, but are not limited to: Brushless Servo Motors High speed, brushless, Servo motors to drive the motion system. Servo motor gives constant feedback to the controller via a 16,000 count per revolution encoder. Interface Choices Systems give you interface choices. Must offer both Ethernet and USB connections. USB recommends a maximum cable length of 16 feet. Ethernet cables can be up to 300 ft. long without loss of signal. Systems should not require a dedicated computer. Any computer on the network can send jobs to the system. Systems must be capable of being networkable and can be used wireless and print from any number of computers. Conversely, a single PC can drive multiple lasers. Chassis A strong aluminum chassis is the core of the rigidity. Lens carriage rides on linear steel bearing rails with self-lubricating, recirculating, dual bearing blocks. Table is mounted to 4 lead screws that keep the table level and rigid when lifting and lowering parts. The table assembly can lift up to 80 lbs