1260-X138 User Manual
Module Operation 3-10
Racal Instruments
©
2005
5. In the same manner, close the “ABUS 3” relay K112 on the
second plug-in.
This connects the commons of both 1260-X138 plug-ins to
ABUS 3, thereby connecting them together. This completes
the formation of the 1x128 multiplexer. MUX7_COM on
E30, E29 of either plug-in become the common high/low
inputs of the 1x128 matrix.
Note that, in the above example, paths ABUS 0, ABUS 1,
and ABUS 2 are unused. If desired, you may use these
independent paths to connect additional groups of plug-ins
together.