10.3.3.1 (Select: Configuration) Menu Branches; Config: Tx  Freq And Config: Rx  Freq Submenus; Select: Configuration) Mask Submenus - Comtech EF Data CDM-425 Installation And Operation Manual

10.3.3.1 (SELECT: CONFIGURATION) Menu Branches

CONFIG:
CnC
Use the ◄ ►arrow keys to select Tx, Rx, or Mask, and then press ENTER.
CONFIG: Tx  Freq and CONFIG: Rx  Freq Submenus
10.3.3.1.1
Tx-IF Frequency:
(LO:12500 MHz
Rx-IF Frequency:
(LO:12500 MHz
When you use the ODU menus to configure a BUC or LNB LO-frequency, the CONFIG:
Tx→Freq and CONFIG: Rx→Freq menu screens provide supplemental information on the
bottom line. As you edit the IF frequency, the Satellite frequency updates accordingly.
Satellite frequency = LO ± IF frequency, where the ± sign is determined
by the LO mix setting:
•
•
To edit the Tx-IF or Rx Frequency:
Use the ◄ ►arrow keys to select a digit to edit, and then use the ▲▼ arrow keys to change that
digit. The available ranges are 50-180 MHz, and 950-2250 MHz (L-Band) (FAST option). The
resolution is 100Hz. Press ENTER when done.
10.3.3.1.2

(SELECT: CONFIGURATION) Mask Submenus

The Mask submenus allow you to selectively mask (ignore) or make active various alarms and
traffic conditions that are monitored by the modem.
Alarm Masks: AIS Buffer Ref RxIF TxClk
TxSat RxSat Terr ROp BUC LNB CEX
Use the ◄ ►arrow keys to select BUC or LNB, and then press ENTER.
ODU (Transceiver, BUC, LNB) Operation
All Mode
EDMAC Misc Mask
Sat:14250.0000 MHz) ()
Sat:13700.0000 MHz) ()
High-sided mix [–] (includes a spectral inversion)
Low-sided mix [+]
CDM-425 Advanced Satellite Modem
Tx Rx Clocks D&I/ACM
Remote IP
1750.0000 MHz
1200.0000 MHz
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MN-CDM-425