This is the system drawing for the proposed system. It is basically the same as this system we had but with the addition of a second Control unit to add more than 18 beltpacks and more I/O. All bases, hubs and antenna transceivers go on the same network. Only 1 of the CU is the master. Purple interconnects are fiber and green are cat5. Note that in the in second set called GAR the fiber feeds the 1st transceiver which is locally powered and it loops thru POE to the second antenna.