Comtech EF Data CDM-625A - Manual (Page 495)

CDM-625A Advanced Satellite Modem MN-CDM625A
CDM-625A ODU (Transceiver, BUC, LNB) Operation Revision 3
10–27
Selection Setting
Att
(Attenuation) 0 to 20 dB, in increments of .25dB. Limit and increments are variable
based upon unit Info string.
Amp (Amplifier setting) Off or On
Mute (Mute Mode) Disabled(i.e., Tx off) or Enabled (i.e., Tx on)
Att-Offset (Attenuation Offset) 0 to 20 dB, in .25 dB increments
Press ENTER when done.
ODU: FSK-control  BUC  Advanced-FSK  LPOD (2LPODs 
Online/Offline LPOD) Cnfg  LNB
LNB Current: Src=On SwitchBiasTee=Thru
Window:30% Alarm=Disabled Cal=No()
Use the ◄ ► arrow keys to select a setting, and then use the ▲▼ arrow keys to edit the setting:
Selection Setting
Src (LNB Current Source) Disabled or Enabled.
SwitchBiasTee Off (mute LNB) or Thru (unmute LNB).
Window
(LNB Current-Window) Selecting a value from 20% to 50% defines the allowable
LNB Current change before declaring a fault. Selecting 99% disables the Current
Window function.
Alarm
(LNB Current Window Alarm Enable ) Disable or Enable the current window
alarm.
Cal
(Calibrate-LNB-Current ) Select Yes and press ENTER to calibrate the LNB current.
(Default is No.)
Note: LNB Current Source must be Enabled before the LNB current can be
calibrated.
Press ENTER when done.
ODU: FSK-control  BUC  Advanced-FSK  LPOD (2LPODs 
Online/Offline LPOD)  Cnfg  Mask
Mask: LFRFPwr=Masked ERLD=Masked ()
FanSpd=Masked LNBCD=Alarm LNB22V=Masked
First, use the ◄ ► arrow keys to select LFRFPower (Low Forward RF Power), ERLD (External
Reference Lock detect), FanSpd (Fan Speed), LNBCD (LNB Current Detect), or LNB22V (LNB 22V
Power Supply)
Then, for each selection, use the ▲▼ arrow keys to set that alarm to Fault, Alarm, or Masked.
Press ENTER when done.