Config: Odu Lnb - Comtech EF Data CDM-Qx Installation And Operation Manual

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Front Panel Operation
CONFIG: ODU
BUC Frequency Mix:
High-Side
To define the sense of the frequency translation, select High-Side or Low-Side using the
◄ ► arrow keys, then press ENTER.
5.4.9.2 CONFIG: ODU
LNB: DC-Voltage
LO Mix
Select M&C-FSK, DC-Pwr, 10MHz, Alarm, Delay, LO or Mix using the ◄ ► arrow keys,
then press
ENTER
DC-Voltage
10MHz
Alarm
LO
Mix
CONFIG: ODU
LNB DC Supply Voltage:
13V
Use the
choices are 13V, 18V, or Power Off.
CONFIG: ODU
LNB 10MHz Reference:
On
Select the LNB 10MHz frequency reference as either On or Off using the ◄ ► arrow keys,
then press
ENTER
CONFIG: ODU
LNB Current Alarm:
Upper
Select Upper or Lower using the ◄ ► arrow keys, then press
BUC
Low-Side
LNB
10MHz
(◄ ►,ENT)
. Note the following:
Selects the LNB power supply output voltage as 13 or 18 Volts, and turns the
LNB power OFF.
Permits user to turn the 10MHz frequency reference for the LNB ON or OFF.
Permits user to define the upper and lower limits for a current 'window'. If the
measured LNB current falls outside this window, an alarm is generated.
Permits user to define the LO frequency used in the LNB. This is then used in the
display of RF frequency in the CONFIG: Rx
Permits user to define the sense of the frequency translation – either high-side
mix or low-side mix.
LNB DC-Voltage
(▲ ▼,ENT)
arrow keys to set the desired LNB DC Supply Voltage, then press
LNB 10MHz
Off (◄ ►,ENT)
.
LNB Alarm
Lower (◄ ►,ENT)
Mix
(◄ ►,ENT)
Alarm
Freq menu.
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Revision 7
MN/CDMQX.IOM
ENTER
.
ENTER
. The