systems, while the CV-2953A is found on the DD-963
KEYSET CENTRAL MULTIPLEXER
class of ships. Mark 72 SDCs are found on the CGN-38
class of cruisers.
The KCMX handles the widest range of functions
of any of the converters. For that reason we selected it
as our representative training device.
The keyset central multiplexer (KCMX) (figure
13-10) provides the means of exchanging data, control,
and status information between either one of two
Figure 13-10.KCMX (front view).