Comtech EF Data CDM-425, Installation And Operation Manual

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CDM-425 Advanced Satellite Modem
Revision 0
ODU (Transceiver, BUC, LNB) Operation 10–10 MN-CDM-425
10.3.3.3 (SELECT:) ODU Menu Branches
ODU: BUC:PwRef
LNB:PwRef FSK-control (

)
Use the
◄ ►
arrow keys to select BUC:PwRef , LNB:PwRef , or FSK-control ,
and then press ENTER:
ODU Menu Branch Sect. Nested Menu Function
BUC:PwRef 10.3.3.3.1 Provides menus to enter a Tx LO frequency, and to control a 10MHz
reference and for Power supply control and alarm limits.
LNB:PwRef 10.3.3.3.2 Provides menus to enter an Rx LO frequency, and to control a 10MHz
reference and for Power supply control and alarm limits.
FSK-control 10.3.3.3.3 (Frequency Shift Keying control) Provides menus to monitor and
control CSAT-5060 OR KST-2000A/B or BUC settings, and LPOD
settings via Advanced FSK. The appearance of, and the functional
selections available from this nested menu are dependent on the Tx
frequency employed – 70/140 versus L-Band.
10.3.3.3.1 ODU: BUC:PwRef (Power Supply and Reference)
BUC control/monitor (non-FSK):
PSU-and-10MHz LO-freq PSUmonitor (

)
The modem provides DC power and a 10MHz reference that may be used by a BUC. Use the
◄
►
arrow keys to select PSU-and-10MHz , LO-Freq , or PSUmonitor , and then press ENTER .
10.3.3.3.1.1 ODU: BUC:PwRef

PSU-and-10MHz Parameters
BUC supply=N/I 10MHz-ref:Off (Off,On)
Alarm limits, from 0.0 to 2.0 amps (

)