Western Telematic CAS-161A - Manual (Page 8)

Å
ACTIVE PORT Indicators: These indicators are used
with the previously mentioned SECTION LEDs to indicate
the port currently connected to the Control port.
2.2. Back Panel Components
À
Input Ports 1 - 16: Ports labeled 1 - 16 are 25-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.
Â
AC Power: Power connector and ON/OFF switch. The
unit can be jumper-selected for either 115 or 230 VAC.
Ã
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
CAS-161A User’s Guide
Figure 2.2: Instrument Back Panel