WaveRider NCL1170, User Manual

Page: 67 / 97

APCD–NC006–A 53
7
Troubleshooting
Use this section to identify and correct common problems associated with NCL1170 operation.
To verify that the connection has been re-established, test the connection using a ping test
described in
Performing a Ping Test , on page 35.
To verify the routing, follow the procedures in Verifying NCL1170 Routing , on page 55.
Table 5 Common Problems and Solutions
Symptom Possible Cause Solution
Power LED on back panel
of NCL1170 is off NCL1170 is not receiving power. • Ensure that the device is plugged into a 110 -
230 V AC outlet and that there is power at the
outlet.
• Check all cables for loose or faulty
connections. Replace cables if necessary.
Cannot communicate with
NCL1170 from the Ethernet
side and the Ethernet light is
off NCL1170 is not receiving power. • Ensure that the device is plugged into a 110 -
230 V AC outlet and that there is power at the
outlet.
• Check all cables for loose or faulty
connections. Replace cables if necessary.
Ethernet cable is faulty or the wrong type
(crossover vs. straight-through).
• Replace Ethernet cable.
Cannot communicate with
NCL1170 from the Ethernet
side and the Ethernet light is
on NCL1170 configuration is incorrect. Connect a computer to the RS-232 port and log
into the NCL1170.
• Verify Ethernet IP address.
• Verify bridging or routing.
• Verify Routing Table, if applicable. See
Verifying NCL1170 Routing , on page 55.