TECHNICAL SUPPORT
Cable Modem: RCA DCM425 Troubleshooting
► Summary
Troubleshooting
Manufacture Resources
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Cable Modem User and Data Manuals
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► Troubleshoot Modem Lights
► Troubleshooting Diagram:
Modem
Status
Problem
Solution
Light
Solid Green
None
N/A
Verify power supply connections and
Power
Off
No power
electrical outlet. Also make sure the outlet is
not connected to a switch.
Off
None
N/A
Diag
Modem going through
Wait 30 seconds, verify all cable connections
Flashign
Self-diagnosis boot-up
and try resetting the Modem.
Successfully found the computer through an
Solid Green
None
Ethernet connection.
USB
Verify USB cable connections, the TCP/IP
Off
No USB found
settings and the USB cable. You might need
to reinstall the USB drivers.
HPNA
Solid Green
None
N/A
WLAN
Solid Green
None
Indicates the wireless PC card is present.
Flashing
Modem is transmitting
Link/Act
N/A
Green
data
Modem in Full Duplex
Full/Col
Solid Green
N/A
Mode
Modem using 100Mbps
100
Solid Green
N/A
connection on local
network
Modem found cable
Solid Green
N/A
connection
Searching for cable
Verify all cable connections and try resetting
Slow
connection
the Modem.
If this is a new Modem or a replacement
Ready
Fast
Modem, the customer must contact
Searching for cable
Flashing
connection
Suddenlink Technical Support with the MAC
Modem
addresses on the Modem, MAC Address.
Verify all cable connections and try resetting
Off
N/A
the Modem.
Ready
Solid Green
N/A
► Back View
► Mac Address Label
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