NetXpress LX & CM-30 Installation & Operation Manual
3 – Installation & Wiring
Version 1, September 2010
3-6
Harris Corporation
Intraplex Products
Figure 3-4. MA-230 Module Adapter Top and Faceplate Views
SW1 on the MA-230 module adapter performs these functions. Table 3-4 gives pin descriptions:
Table 3-4. MA-230 Module Adapter SW1 Switches and Functions
Switch
Factory
Default
Description
1
On
This switch controls the external timing input impedance (100 Ohms; TIMING IN port). This
switch is normally set to On. When daisy chaining, the last multiplexer in the chain should have
this switch On, and the others should be Off.
2 and 3
On
These two switches control the external timing input bias of the port. These switches should
normally be in the On (bias) position. When daisy chaining, one module adapter in the chain
should have these switches On, and the others should be Off.
4-6
On
Not used
Table 3-5 gives pin assignments for the MS-230 timing input/output and contact ports.
