Troubleshooting - DLink DCM-201
For Ethernet connections, when the ETH light is flashing this indicates that the modem is functioning properly. See below.

For USB connections, when the USB light is flashing this indicates that the modem is functioning properly. See below.

When the modem is looking for a cable connection, this will be indicated by an orange flashing Cable light. See below.

The troublshooting diagram below will help you to identify common issues and will guide you on how to resolve them.
|
Modem Light |
Status |
Problem |
Solution |
|
POWER |
Solid Green |
None |
N/A |
|
Off |
No power |
Verify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch. |
|
Cable |
Slow Flashing Orange |
Searching for cable connection |
Verify all cable connections and try resetting the Modem. If connection is OK and Modem reset does not correct the problem, contact Technical Support at 1-888-822-5151. |
|
Fast Flashing Orange |
Searching for cable connection |
If this is a new Modem or a replacement Modem, you must contact Suddenlink Technical Support at 1-888-822-5151 with your MAC address. If there are several MAC addresses on the Modem, please use the “HFC” or “RF” MAC address. |
|
Off |
No cable connection |
Verify all cable connections and try resetting the Modem. If connection is OK and Modem reset does not correct the problem, contact Technical Support at 1-888-822-5151. |
|
Status |
Solid Green |
N/A |
Modem is ready for data transfer. |
|
ETH |
Solid Green |
None |
Successfully found the computer through an Ethernet connection. |
|
Off |
No Ethernet found |
Verify Ethernet cable connections, the TCP/IP settings and the NIC. You might need to reinstall the NIC drivers. If this does not resolve the issue, contact Technical Support at 1-888-822-5151. |
|
USB |
Solid Green |
None |
Successfully found the computer through an USB connection. |
|
Off |
No USB found |
Verify USB cable connections, the TCP/IP settings and the USB cable. You might need to reinstall the USB drivers. If this does not resolve the issue, contact Technical Support at 1-888-822-5151. |