WaveRider LMS4000 User Manual page 159

Table 32 Local Troubleshooting — EUM (Service Not Available)
Verify the data link
C
Verify the logical data
connection between the
PC and EUM
D
E
APCD-LM043-4.0
What should I do? What is a good result?
Check the Ethernet The Link LED is ON solid
LEDs on the PC and green, and the Traffic
EUM Ethernet LED is flashing
connectors. occasionally with traffic.
Through the DOS No failures or time-outs.
command line on the
end-user's PC, <ping>
the EUM with short and
long packets.
Through the DOS No failures or time-outs.
command line on the
end-user's PC, <ping>
the CCU with short and
long packets.
What does a good
What if I do not get a good result?
result mean?
Cable connection is
• Check the type of cable. The cable
good, and the Ethernet
between the EUM and PC should be a
interfaces are active. Go
crossover cable.
to Test D.
• Check connector pins. Make sure none
of the pins have been damaged.
• Check for a pinched cable.
• Check for possible hardware problems
at the PC.
• Change to a different PC, with a shorter
cable.
• If none of the above resolves the
problem, you might suspect a defective
EUM.
Confirms the physical
• Verify the IP address in the PC, by
and logical connection to
entering <ipconfig> in the DOS
the EUM, and basic IP
command line. If the IP is bad, enter the
addressing. Go to Test
appropriate IP set (PC's IP, gateway IP,
E.
and DNS IP).
• If using DHCP, renew through
<ipconfig> .
• If DHCP fails, enter a valid IP set for
remaining tests
• Change to a different PC, using shorter
cable.
• If none of the above resolve the reported
problem, you might suspect a defective
EUM.
Confirms data If no pings are successful:
transmission over the
• Verify the EUM ID in the CCU
radio link, and completes
Authorization Table.
the 900MHz network-
• Reboot the EUM.
specific troubleshooting.
• Reboot the PC.
Go to Test F.
• Refer to
page 149.
If pings are successful but have errors:
• Refer to
page 149.
12 Troubleshooting
If You Have an Interferer on
If You Have an Interferer on
141