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TECHNICAL SUPPORT
Cable Modem: CastleNet CXC250 Troubleshooting
► Summary
Manufacture Resources
Troubleshooting
·
Troubleshoot Modem Lights
·
Cable Modem User and Data Manuals
·
Modem Back View
·
Cable Modem Driver Location
·
MAC Address Label
► Troubleshoot Modem Lights
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► Troubleshooting Diagram:
Modem
Status
Problem
Solution
Light
Solid
None
N/A
Green
Power
Verify power supply connections and electrical outlet.
Off
No Power
Also make sure the outlet is not connected to a switch.
Slow
Searching for
Verify all cable connections and try resetting the Modem.
Flashing
cable connection
Green
If this is a new Modem or a replacement Modem, the
Cable
customer must contact Suddenlink with the MAC address.
Fast
Searching for
Flash
If there are several MAC addresses on the Modem, please
cable connection
use the "HFC" or "RF" MAC address. View Mac address
Modem
Label
No connection
Off
Verify all cable connections and try resetting the Modem.
Cable connection
Solid
Successfully found the computer through an Ethernet
None
Green
connection.
ETH
Verify Ethernet cable connections, the TCP/IP settings
Off
No Ethernet found
and the NIC. You might need to reinstall the NIC drivers.
Solid
Successfully found the computer through USB
None
Green
connection.
USB
Verify USB cable connections, the TCP/IP settings and
Off
No USB found
the USB cable. You might need to reinstall the USB
drivers.
Flashing
Activity
None
Modem is transferring data.
Green
► Back View
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► Mac Address Label