QSC Audio S series - Manual (Page 25)

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Switches set to “10” through “FE” hex assign unicast bundles.
Switches set to “01” through “0F” hex assign multicast bundles.
Switch settings “00” and “FF” hex are reserved for special functions.
“FF” hex puts the unit into utility mode for programming and also forces software kill.
“00” hex disables a transmitter, thus preventing network bandwidth consumption when no audio
transmission is required.
“00” hex disables a receiver from listening to any bundles.
Operation:
Routing (continued)
NOTE! Bundle assignments should be limited to 4 multicast bundles per LAN on network switches.
All bundles are multicast on network repeaters.
Multicast addressing
(distributed to all devices)
Unicast addressing
(point-to-point
Unicast with
external synchronization
Special purpose
settings