DI’s Switch Matrices are available in a variety of configurations including 19" rack mount and VXI formats switching either audio or IF band signals. The DI-32, 64, 96, 128 is a rack mount, audio switch matrix available in 32 X 32, 64 X 64, 96 X 96 and 128 X 128 formats. The DI-940 is a VXI, audio switch in a 32 X 32 format. The DI-942/E is a VXI, IF switch matrix configured in a 16 X 16 format.