Harris Atlas DVL400, Technical Manual

Page: 52 / 180

2-22 888-2473-001 2/25/03
WARNING: Disconnect primary power prior to servicing.
Section 2 Installation / Initial Turn-On ATLAS Series™
The exciter has two DB9 serial communication ports on the rear panel. The Atlas
transmitter uses the port labeled Atlas Main Controller. The other port, labeled
RS232 is used to connect to the external PC running the V-XCAST software. The
ports are referred to as DCE port for the PC communications link and DTE port for
the Atlas Main Controller communications link.
The communications screen page from the V-XCAST software should be as
shown in Figure 2-7
. Once the COFDM modulation and ASI input parameters have
been set up with the V-XCAST software, it is possible to view the settings from the
transmitter GUI.
Press the MOD. STATUS button to view the current modulation settings .
Press the INPUT STATUS button to view the exciter ASI input settings .
Figure 2-7 V-XCAST Communications Settings
NOTE:
Make sure that the DTE port is set up for ASCII protocol. Otherwise, the
Atlas Main Controller will not communicate with the exciter.