Comtech EF Data LPOD, Инструкция по установке и эксплуатации

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LPOD C-, X-, or Ku-Band Outdoor Amplifier / Block Up Converter (BUC) MN-LPOD
Ethernet Interface Operation Revision 14
4–21
4.5.3.2 Config | LNB
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Figure 4-14. ‘Config | LNB’ Page
LNB Config
•
LNB Current Source – Use the drop-down list to select Disable or 18V ,
tone off , band 3 .
These are the only valid selections when using LPOD LNB bias
functionality with standard single-band LNBs.
• Switch Bias Tee – Use the drop-down list to select Through State (unmute
LNB) or Off State (mute LNB).
• LNB Current Window – Use the drop-down list to select this feature as
either Enabled or Disabled .
• LNB Current Window (%) – This field defines the size of the LNB Current
Window, and determines the fault thresholds for the LNB current draw.
Any LNB current reading that is outside the window may generate an
alarm, a fault, or may be masked entirely depending on the state of the
user-configured fault mask (see the MSK command syntax in Chapter 5.
SERIAL INTERFACE OPERATION for more information).
For example: If the LNB draws 100mA, and the LNB current fault window
is set to the default value of 30(%) , then the allowable current draw for
the LNB will be from 70 mA minimum to 130 mA maximum because the
window is ±30% centered on the calibrated LNB current draw.