Comtech EF Data CDM-570A - Manual (Page 418)

CDM-570A/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
CDM-570A/570AL ODU (Transceiver, BUC, LNB) Operation Revision 2
10–44
10.3.1.1.2.2.3 (CONFIG: ODU) LNB: Alarm
Set LNB Current Alarm:
Upper Lower (◄ ►,ENTER)
Use this menu to define the upper and lower limits of the LNB current ‘window.’ If the measured
LNB current falls outside this window, an alarm is generated.
Use the ◄ ► arrow keys to select Upper or Lower. Press ENTER when done.
(CONFIG: ODU) LNB: Set LNB Current Alarm ► Upper
LNB Current Alarm Upper
Limit: 200mA (◄ ►,▲ ▼,ENT)
To edit the LNB Current Alarm Upper Limit: First, use the ◄ ► arrow keys to select a digit to
edit, and then use the ▲▼arrow keys to change the value of that digit. The valid range of
current is from 50 to 600 mA. Press ENTER when done.
(CONFIG: ODU) LNB: Set LNB Current Alarm ► Lower
LNB Current Alarm Lower
Limit: 050mA (◄ ►,▲ ▼,ENT)
To edit the LNB Current Alarm Lower Limit: First, use the ◄ ► arrow keys to select a digit to
edit, and then use the ▲▼arrow keys to change the value of that digit. The valid range of
current is from 10 to 400 mA. Press ENTER when done.
10.3.1.1.2.2.4 (CONFIG: ODU) LNB: LO
BUC LO Frequency:
12000 MHz (◄ ►,▲ ▼,ENTER)
To edit the value of the LNB LO (Lockout) Frequency: First, use the ◄ ► arrow keys to select a
digit to edit, and then use the ▲▼arrow keys to change the value of that digit. The valid range is
from 3000 to 65000 MHz. Press ENTER when done.
This value is used to display the RF frequency of the modem/BUC combination. If
the default value of 00000 is entered here, then no RF frequency will be displayed
on the CONFIG: Rx  Frq (Rx FREQUENCY) menu.
10.3.1.1.2.2.5 (CONFIG: ODU) LNB: Mix
LNB Frequency Mix:
High-Side Low-Side (◄ ►)
Use the ◄ ► arrow keys to define the sense of the frequency translation as High-Side or Low-
Side. Press ENTER when done.