ADC FlexWave Prism System Reference Manual page 251

may need to be replaced. Contact ADC Technical Assistance for further help (see
"Contacting ADC" on page
• —Red indicates an internal VSWR fault state of the LPA. Check the
LPA VSWR Fault
Remote's antenna connection. If the connection is good and a subsequent LPA
reset does not clear the alarm, inspect the blue cable going from the
corresponding Remote Antenna port to the Duplexer—verify that the connection
is tight. If this doesn't clear the fault, the Duplexer may need to be replaced. Notify
ADC Technical Support (see
• —Red indicates that the voltage level inside the LPA is outside its
LPA DC Fault
acceptable range. If the LPA Reset does not clear this alarm, contact ADC
Technical Assistance for further help as the RF Module that contains the LPA or
the Power supply within the SeRF Module may need to be replaced (see
"Contacting ADC" on page
• —Red indicates that the LPA is not sure of the feedback loop, so it
LPA Loop Fault
has placed itself into a safe state. You can attempt to recover the LPA by reducing
forward gain by 10dB on both DART cards, resetting the LPA, then restoring GAIN.
If the reset does not work, contact ADC Technical Support (see
on page 335).
•
LPA Over Power Fault
enough to damage the LPA. Reduce the Remote Forward Gain (see
and Remote DARTs." on page
•
LPA Low Power Fault
specifications. In addition to an LPA Reset, try putting the LPA into standby and
then back to enable to see if this clears this fault. If neither troubleshooting step
clears this alarm, the corresponding RF Module may need to be replaced. contact
ADC Technical Assistance for further help (see
LPA Missing Fault
• —Red indicates that the LPA is missing. This fault cannot be cleared
with an LPA Reset.
FlexWave Prism Host, Remote and EMS 5.1 System Reference
ADCP-77-073 • Issue 2 • 11/2009
335).
"Contacting ADC" on page
335).
—Red indicates that the power level inside the LPA is high
159), then reset the LPA.
—Red indicates that the internal gain of the LPA does not meet
Restarting an LPA
335).
"Contacting ADC"
"Link the Host
"Contacting ADC" on page
© 2009 ADC Telecommunications, Inc.
CORNING EX1005, page 251
335).
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