Although optional and not necessary for basic functionality, tether interfaces increase the range and reliability of Ethernet communications.
Interface boards which use the Homeplug AV standard provide a robust high-speed, long-distance Ethernet connection over a single pair of wires. These boards enable HD video and high-bandwidth data over 300m+ tether lengths.
The following interface boards are supported:
With communications being Ethernet based, fiber optic cables may also be used with Ethernet-to-Fiber converters installed inside the ROV and topside.
The following fiber optic interface boards have been known to work: