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CDM-Qx Satellite Modem
Front Panel Operation
(Config%ODU%BUC) – BLOCK UPCONVERTER (BUC)
Selecting BUC displays the following submenu:
BUC:M&C-FSK DC-Pwr 10MHz
Alarm Delay LO Mix(◄ ► ENT)
Select M&C-FSK, DC-Pwr, 10MHz, Alarm, Delay, LO or Mix using the ◄ ► arrow
keys, then press
M&C-FSK
DC-Pwr
10MHz
Alarm
Delay
LO
Mix
(Config%ODU%BUC%M&C-FSK) - M&C FSK
Selecting M&C-FSK displays the following submenu:
BUC M&C-FSK: Comms Address
Tx-On/Off
Select Comms, Address, Tx-On/Off or Pwr-Level using the ◄ ► arrow keys, then
press
ENTER
Comms
Address
TX-On/Off
.
ENTER
If an FSK-capable BUC is employed, this menu provides access to a further set of
menus that define the FSK setup, and use it for control and monitor.
(DC POWER) If a BUC supply is installed this menu permits the user to turn DC
power ON or OFF.
This menu permits the user to turn the 10MHz frequency reference for the BUC ON or
OFF.
This menu permits the user to define the upper and lower limits for a current 'window'.
If the measured BUC current falls outside this window, an alarm is generated.
This menu permits the user to define the carrier-on delay following a power-up
sequence.
This menu permits the user to define the LO frequency used in the BUC. This is then
used in the display of RF frequency in the Config%Tx%Freq menu.
This menu permits the user to define the sense of the frequency translation – either
high-side mix or low-side mix.
(◄ ►, ENT)
.
If an FSK-capable BUC is employed, this menu turns the FSK between the
modem and BUC either ON or OFF.
This menu permits the user to enter the logical address of the BUC, from 1 to 15.
This menu permits the user to turn the RF Output of the BUC ON or OFF.
5–39
Revision 6
MN/CDMQx.IOM
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