5 TROUBLESHOOTING
46
Table 5-2 — Common fault indications
Problem
Possible Cause
Corrective Action
OM 2000 powers up but fails
to initialize
BOOTP/TFTP configuration
Check the BOOTP configuration
and all the file paths and names
on the server.
Mechanical error with unit
Repair or replace the unit.
Data in LED indicator fails to
light
No input data received
Check the input cables and
sources.
Check the IP addresses.
Enable the input port.
RF / IF LED lights
RF modulator port in Standby
mode
Put the modulator in the Operate
mode.
Adjusted port settings did not
take effect
Changes were not committed or
saved through the front-panel
display
Commit and then save the
changes. Reboot the system.
Changes are being overwritten by
the
OM2000.ini
file
The
OM2000.ini
file is being
force downloaded as set within
the
OM2000.fof
file. See
Section 4, “Setup and Operation”
for steps on saving the settings.
No serial port communications
available
Port not enabled
Adjust the port settings to match
the settings in the headend
equipment.
The data rate, parity, start bit, or
stop bit settings are not
compatible with the other units in
the headend.
Serial port communication
parameters are not compatible
with other headend units.
Logical Ethernet input port
does not receive data (STATUS
LED on)
Duplicate UDP port number being
used. Two logical Ethernet input
ports were configured to use the
same UDP port number.
Change the UDP port number to
be unique across the entire OM
2000.
