Comtech EF Data CIM-300L - Manual (Page 148)

CiM-300L IP Enabled Satellite Modem Rev. 1
System Checkout/Fault Isolation CD/CIM300L.IOM
122
7.1.6.4 O
UTDOOR
U
NIT
Fault/Alarm Possible Problem and Action
CURRENT ODU Current fault.
VOLTAGE ODU Voltage fault.
TEMPERATURE ODU Temperature fault.
PLL LOCK PLL Lock fault.
Indicates the PLL is not locked to the reference of the interface transmit clock
recovery oscillator. Contact the Comtech EF Data Customer Support
Department.
CHECKSUM Checksum fault.
7.1.6.5 C
OMMON
E
QUIPMENT
F
AULTS
Fault/Alarm Possible Problem and Action
BATTERY/CLOCK M&C battery voltage or clock fault.
Indicates a low voltage in the memory battery. Typically, this fault will be active
when a modem has been hard reset or the firmware has been changed. When a
hard reset has been executed or the firmware has been changed, this fault will
typically be active when the modem is first turned on.
-12 VOLT SUPPLY -12V power supply fault.
Indicates a high or low voltage condition. Level is
± 5%.
Check for a short on the -12V line from the power supply or on any of the plug-in
boards.
+12 VOLT SUPPLY +12 VDC power supply fault. Use the same procedure as with -12V fault.
+5 VOLT SUPPLY +5V power supply fault. Use the same procedure as with a -12V fault.
The +5V supply requires a minimum load of 1A.
CONTROLLER Controller fault.
Indicates a loss of power in the M&C card. Typically indicates the controller has
gone through a power on/off cycle.
INTERFACE Interface module fault.
Indicates a problem in programming the interface card.