Operating instructions

User Interfaces DMD20/DMD20 LBST Universal Satellite Modem
4-34 TM103 – Rev. 2.8
+5V SUPPLY {Pass/Fail, Unmasked/Masked}
Displays the measured voltage of the +5 Volt power bus
located inside the modem.
+12V SUPPLY {Pass/Fail, Unmasked/Masked}
Displays the measured voltage of the +12 Volt power
bus located inside the modem.
+20V SUPPLY {Pass/Fail, Unmasked/Masked}
Displays the measured voltage of the +20 Volt power
bus located inside the modem.
-12V SUPPLY {Pass/Fail, Unmasked/Masked}
Displays the measured voltage of the -20 Volt power bus
located inside the modem.
LATCHED ALARMS {Pass/Fail}
The following alarms are latched in order to catch
intermittent failures:
TX MAJOR (menu)
FPGA CFG
DSP CFG
SCT CLOCK PLL
SYM CLOCK PLL
LB SYNTH PLL
IF SYNTH PLL
BUC CURRENT
BUC VOLTAGE
ETHERNET WAN
TX MINOR (menu)
TERR CLK ACT
TERR DATA ACT
TX TERR AIS
DnI FRAME LOCK
DnI M-FRAME LOCK
DROP CRC
TX DVB FRM LOCK