Comtech EF Data SDM-100A - Manual (Page 29)

SDM-100A Satellite Modem Installation
Rev. 0 2–3
2.3 System Requirements
The standard modem with all the cards installed is a full-duplex QPSK satellite modem.
The system can also be configured for TX-only or RX-only.
• For a TX-only system, enter the UTILITY SYSTEM menu under FUNCTION
SELECT UTILITY on the front panel. Select OPERATION MODE.
Enter the menu and select Transmit Only. This will mask all receive faults and
receive stored faults in the Faults menu.
• For an RX-only system, enter the UTILITY SYSTEM menu under FUNCTION
SELECT UTILITY on the front panel. Select OPERATION MODE.
Enter the menu and select Receive Only. This will mask the transmit faults and
transmit stored faults in the Faults menu.