Comtech EF Data CDM-625A Installation And Operation Manual page 497

CDM-625A Advanced Satellite Modem
CDM-625A ODU (Transceiver, BUC, LNB) Operation
Selection
Att
Amp
Mute
Att-Offset
Press ENTER when done.
ODU: FSK-control  BUC  Advanced-FSK  LPOD (2LPODs 
Online/Offline LPOD) Cnfg  LNB
LNB Current: Src=On
Window:30%
Use the ◄ ► arrow keys to select a setting, and then use the
Selection
Src
SwitchBiasTee
Window
Alarm
Cal
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
First, use the ◄ ►
Reference Lock detect), FanSpd (Fan Speed), LNBCD (LNB Current Detect), or LNB22V (LNB 22V
Power Supply)
Then, for each selection, use the
Press ENTER when done.
Setting
(Attenuation) 0 to 20 dB, in increments of .25dB. Limit and increments are variable
based upon unit Info string.
(Amplifier setting) Off or On
(Mute Mode) Disabled(i.e., Tx off) or Enabled (i.e., Tx on)
(Attenuation Offset) 0 to 20 dB, in .25 dB increments
Alarm=Disabled
Setting
(LNB Current Source) Disabled or Enabled.
Off (mute LNB) or Thru (unmute LNB).
(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.
(LNB Current Window Alarm Enable ) Disable or Enable the current window
alarm.
(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.
arrow keys to select LFRFPower (Low Forward RF Power), ERLD (External
arrow keys to set that alarm to Fault, Alarm, or Masked.
▲▼
SwitchBiasTee=Thru
Cal=No()
▲▼
LNB22V=Masked
10–27
MN-CDM625A
Revision 4
arrow keys to edit the setting:
()