QSC BASIS 904zz Hardware Manual page 7

Example #2 - CobraNet X-over mode:
This is the simplest connection you can make between two BASIS/RAVE units. You use a CAT-5 crossover cable connected between the
CobraNet ports of each unit. No network switch is required. This connection allows audio to pass between the two units over Cobra-
Net. The BASIS 904zz is an audio "destination" device, therefore, the other unit must be an audio "source" device puting CobraNet
audio data onto the cable.
Combining example 1 and 2 lets you setup and monitor one unit at a time, much as you would have to do using a point-to-point
RS232 connection, while passing audio between them, all without a network switch. However, you would have to physically connect
your computer first to one unit and then to the other. With this elementary connection you don't have a true network. It is like making
RS-232 connections - except that performance is better.
All the other examples are of proper networks and all require a network switch. On a proper network, you have direct access to all
units all of the time without having to physically switch between them. You still get the great performance of TCP/IP over Ethernet.
(And we believe QSC's advanced 4th generation networking software provides the best performance of any networked audio control
system available today including Ethernet based systems from competitors.)
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