T
ROUBLESHOOTING
A-2
LED Indicators
Link LED is Off • Verify that the Barricade and attached device are
powered on.
• Be sure the cable is plugged into both the
Barricade and the corresponding device.
• Verify that the proper cable type is used and that
its length does not exceed the specified limits.
• Be sure that the network interface on the
attached device is configured for the proper
communication speed and duplex mode.
• Check the adapter on the attached device and
cable connections for possible defects. Replace
any defective adapter or cable if necessary.
Network Connection Problems
Cannot Ping the
Barricade from the
attached LAN, or the
Barricade cannot Ping
any device on the
attached LAN
• Verify that the IP addresses are properly
configured. For most applications, you should
use the Barricade’s DHCP function to
dynamically assign IP addresses to any host on
the attached LAN. However, if you manually
configure any IP addresses on the LAN, verify
that the same network address (network
component of the IP address) and subnet mask
are used for both the Barricade and any attached
LAN devices.
• Be sure the device you want to Ping (or from
which you are Pinging) has been configured for
TCP/IP.
Troubleshooting Chart
Symptom Action
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