Comtech EF Data LPOD - Manual (Page 103)

LPOD C-, X-, or Ku-Band Outdoor Amplifier / Block Up Converter (BUC) MN-LPOD
Serial-based Remote Product Management Revision 10
5–3
• I2C internal bus communications fault.
• Thermal Shutdown – A temperature fault is indicated if the unit is +>90°C. This creates a summary fault and will cause the unit to
mute itself and switch to the back-up unit (if in a redundant system). However, the 10V supply to the FET transistors will remain on
until the unit reaches the thermal shutdown temperature of ≥ >95°C. For protection reasons, the unit will shut down the 10V supply
to the power transistors at temperatures >95°C.
• Firmware checksum error at power up.
• FPGA done indicator error at power up.
• *Block Up Converter (BUC) unlocked.
• Redundant waveguide switch position fault (applies to redundant mode operation only).
• Redundant inter-unit link fault (applies to redundant mode operation only).
• Low Noise Block Down Converter (LNB) current over limit.
The following parameters can be user defined to report an alarm condition, a fault condition, or the parameter can be ignored
completely by masking it:
• RF amplifier low output power (user adjustable value).
• Internal reference oscillator unlocked.
• *LNB current outside specified window.
• *LNB voltage out of tolerance.
*If this parameter generates a fault condition, the RF output will be muted.