Paradyne FrameSaver NP 110, User Manual

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5 Diagnostics
5-34 NetPath 110 User’s Manual - Installation Guide 980-001-0240B
November 2000
LED Indicator
Troubleshoot-
ing
The FrameSaver NP 110 front panel LED indicators may also be used to troubleshoot
a problem. Table 5-5 describes the LED indicator’s normal states, and some possible
causes for abnormal indications.
.
Table 5-5 FrameSaver NP 110 LED Diagnostics
FrameSaver NP 110 LED Status
Condition
Possible
Cause(s)
UNIT
POWER
UNIT
READY
UNIT
TEST
UNIT
FR
MGMT.
UNIT
MODEM
IN USE
NETW
ALARM
NETW
LMI
USER
LMI
USER
RxD
USER
TxD
ON ON OFF --- --- OFF Blink Blink NORMAL, No
problem Normal LED
status for
FrameSaver NP
110.
OFF --- OFF --- --- --- --- --- Loss of power to
FrameSaver NP
110 Check AC power
cord to
FrameSaver NP
110.
Verify AC outlet
is powered.
ON Flash OFF --- --- --- --- --- FrameSaver NP
110 performing
self-test Normal on power-
up or reset,
duration of test
approx. 60
seconds.
Successful
completion sets
READY LED On
steady.
Continuous cycles
of flashing
indicate critical
internal circuit
fault, replace with
known good unit.
ON OFF OFF --- --- --- --- --- FrameSaver NP
110 fails
self-test Internal circuit
fault.
Replace with
known good unit.
ON ON ON --- --- --- --- --- FrameSaver NP
110 is in an active
“Test” mode. A currently active
test (user or telco
initiated) is
disrupting the data
path.
ON ON OFF Flash
Slowly --- Flash
Slowly FrameSaver NP
110 is waiting for
a software
download* A command was
issued to the unit
to upgrade its
software, or an
error was detected
in the internal
program storage.