Comtech EF Data SDM-9000 - Manual (Page 44)

Installation SDM-9000 Satellite Modem
2–2 Rev. 4
2.2 System Options
The standard SDM-9000 with all PCB assemblies installed (Chapter 1) is a full-duplex
QPSK satellite modem. The system can also be configured for TX-only or RX-only
operation.
1. For a TX-only system, the demodulator PCB (AS/3970) should be removed.
•
Enter the System Utility menu on the front panel and select Operation mode.
•
Enter the menu and select TX-only. This will mask the RX faults and stored
faults in the Faults menu.
2. For RX-only system, the modulator PCB (AS/3969) should be removed.
•
Enter the System Utility menu on the front panel and select Operation mode.
•
Enter the menu and select RX-only. This will mask the TX faults and stored
faults in the Faults menu.