TECHNICAL SUPPORT
Cable Modem: RCA DCM315R Troubleshooting
► Summary
Troubleshooting
Manufacture Resources
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Cable Modem User and Data Manuals
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► Troubleshoot Modem Lights
"Cable" and "PC Link" flashing
"Cable" flashing
"PC Link" off
"Cable Link" off
"Cable" and "PC Link" flashing
► Troubleshooting Diagram:
Modem Light
Status
Problem
Solution
Solid
None
N/A
INTERNET
Green
ON/OFF
Verify power supply connections and
(Power)
Off
No Power
electrical outlet. Also make sure the
outlet is not connected to a switch.
Solid
None
N/A
Green
PC Link
Flashing
Modem transmitting data
N/A
Verify Ethernet/USB cable connections,
Unable to detect
Off
the TCP/IP settings and the NIC. You
computer connection
might need to reinstall the NIC drivers.
Solid
None
N/A
Green
Cable-Link
Flashing
Looking for cable
Verify all cable connections and try
Green
connection
resetting Modem.
Off
No cable connection
Transmitting or receiving
Blinking
N/A
Activity
data
No data being
Off
N/A
transmitted
Message
Off
None
N/A
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