Comtech EF Data DD240XR Rev Е User Manual
Page 37
DD240XR High-Speed Digital Demodulator
User Interfaces
MN-DD240XR – Rev. E
4-17
LATCHED ALARMS (Menu):
This menu duplicates the Current Alarm Menu, but
displays Latched Alarms instead of Current Alarms.
RX MAJOR (Menu):
Status
SIGNAL LOCK:
{Pass/Fail}
The Carrier Lock is currently or has alarmed since last
clearing.
SYNTH PLL:
{Pass/Fail}
The On-Board Phase-Locked Loop is currently or has
alarmed since last clearing.
INPUT LEVEL:
{Pass/Fail}
The Input Level is currently or has alarmed since last
clearing.
CLOCK ACTIVITY:
{Pass/Fail}
CARRIER COMM:
{Pass/Fail}
Communications have failed with the Internal Carrier
Control Subsystem since the last clearing.
DEMOD COMM:
{Pass/Fail}
Communications have failed with the Internal
Demodulation Control Subsystem since last clearing.
FPGA CONFIG:
{Pass/Fail}
DJIT CFG:
{Pass/Fail}
The DJIT FPGA is currently or has alarmed since last
clearing.
TERR INTFC CFG:
{Pass/Fail}
The Terrestrial Card FPGA is currently or has alarmed
since last clearing.
RX MINOR (Menu):
Status
DATA ACTIVITY:
{Pass/Fail}
The Rx Data is currently or has alarmed since last
clearing.
BUFF UNDERFLOW:
{Pass/Fail}