●IT90F is a distributor that connects the host and the transmission unit.

●Provide four RJ45 cables, two of which are connected by pulling cables between junction boxes and two of which are connected to the speech’s unit.

●Hand-held connection type with 2m CAT6 super 6 grid cable.

●Each junction box can be connected to 2 generator units.

●The unit with the chairman is the chairman unit, while the other units are delegate units.