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User Interfaces
DM240-DVB High-Speed Digital Modulator
Refer to Appendix B for the MIB
4.13 Terminal Port User Interface
The Terminal Port of the DM240 allows for complete control and monitoring of all DM240
parameters and functions via an RS-232 Serial Interface.
Terminal mode communications and protocol is set from the front panel control by setting the
"Control Mode" parameter to "Terminal", and then setting the "Modem Port," "Term Baud" and
"Emulation" parameters as desired. Then a terminal is connected to Connector J5 on the Back
Panel. All operating software for the terminal mode is contained within the DM240 Modem
Internal Control Software.
A "break" signal on the communications line, pressing "ESC" on the terminal or Power On of the
modem will initiate full screen terminal mode printing and redraw the full screen. The terminal
mode displays the present status of all user parameters controlled and read by the processor,
and offers a menu allowing change to any controlled parameter.
Representations of the terminal screens are shown in Figures 4-5 through 4-12. These screens
may differ from the exact screens displayed due to changes in software and the presence (or
absence) of options in the modem hardware. For instance, the presence of RF Switch control
hardware will result in added options available on the screens, or additional screens to be
available.
Figure 4-5. Main Menu
4-26
TM083 - Rev. 3.0
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