L.3.3.1.2.2 (config: odu (outdoor unit)) lnb – Comtech EF Data CDM-570 User Manual
Page 500
CDM-570/570L Satellite Modem with Optional IP Module
Revision 12
Appendix L
MN/CDM570L.IOM
L–8
L.3.3.1.2.2 (CONFIG: ODU (Outdoor Unit)) LNB
LNB: DC-Voltage 10MHz
Alarm LO Mix (◄ ►, ENT)
Use the ◄ ► arrow keys to select DC-Voltage, 10MHz, Alarm, LO, or Mix, and then press
ENTER.
L.3.3.1.2.2.1 (CONFIG: ODU (Outdoor Unit)) LNB: DC-Voltage
LNB DC Supply Voltage:
13 volts (◄ ►,ENTER)
Use the ▲ ▼ arrow keys to select the value of the LNB DC power supply output voltage as 13
volts, 18 volts, 24 volts, or Power OFF. Press ENTER when done.
L.3.3.1.2.2.2 (CONFIG: ODU (Outdoor Unit)) LNB: 10MHz
LNB 10MHz Reference:
On Off (◄ ►,ENTER)
Use the ◄ ► arrow keys to select the 10MHz frequency reference for the BUC as On or Off.
Press ENTER when done.
L.3.3.1.2.2.3 (CONFIG: ODU (Outdoor Unit)) 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 (Outdoor Unit)) LNB: Set LNB Current Alarm Æ 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.