The GN20 base unit is a professional 1 HU 19 inch base unit for
up to 2 Chameleon modules. The GN20 B base unit has a single
power supply unit, and embedded fans. The Chameleon modules
in GN20 B are managed via the Chameleon RJ45 management
ports, and streaming to/from Chameleons is done via the
Chameleon RJ45 streaming ports.