The Super-Amp was a major breakthrough for the Nautilus R&D team because it requires only a single, inexpensive coax cable to carry the Radio Control commands, the Status Feedback plus two colour Video Channels and the unique cable control signals used to select each Super-Amp. This single coax cable also carries low voltage DC power to all of the tunnel equipment.
The red and green led’s are located at one end of the Super-Amp to make it easy for a miner who is walking or driving by to check the status of this amplifier.