Western Telematic CAS-161A Switch User Manual


 
2.2. Back Panel Components
À
Input Ports1-16: Ports labeled1-16are25-pin, female, RS232 connectors. Optional
RS422 connectors can be factory installed to increase data transmission distance. For a
description of the port interface, please refer to Appendix A.
Á MODEM Port (Control Port): A 25-pin, female, RS232 connector. For a description of
the port interface, please refer to Appendix A.
 AC Power: Power connector and ON/OFF switch. The unit can be jumper-selected for
either 115 or 230 VAC.
à SetUp Switches: (Not Shown) Two banks of DIP switches located on the underside of
the unit. The SetUp Switches are used to configure the prefix code, select baud rates and
parity, and set other features as described in Section 3.
2-2