Troubleshooting
The lights indicate the current status of your modem. To troubleshoot any connection problems, use the table below.
Modem Light | Status | Problem |
Power LED | On | None. The modem is powered on |
Off | No power. Verify power supply connections and electrical outlets. Ensure the outlet is not connected to a switch. Press the ON/OFF button on the back of the modem to ensure it is turned on. |
DS LED | Solid Blue | None. Multiple downstream channels are in use. |
Blinking Blue | None. Negotiating multiple downstream bonded channels |
Solid Green | None. One downstream channel is in use. |
Blinking Green | None. Scanning for downstream channels |
US LED | Solid Blue | None. Multiple upstream channels are in use. |
Blinking Blue | None. Negotiating multiple upstream bonded channels |
Solid Green | None. One upstream channel is in use. |
Blinking Green | None. Scanning for an upstream channel |
Off | No upstream channels are in use. Verify all cable connections and try resetting the modem. |
Online LED | On | None. The modem is online. |
Blinking | None. The modem is registering a connection. |
Off | The modem is offline. Verify all cable connections and try resetting the modem. |
LAN LED | Green | None. A device is connected to the Ethernet port and uses 1 Gbps LAN speed. |
Amber | None. A device is connected to the Ethernet port and uses 10 or 100 Mbps LAN speed. |
Blinking | None. Data is being transferred over the Ethernet connection. |
Off | No device is connected. Verify all cable connections and try resetting the modem. |
Manufacturer Resources
For more detailed technical information on Zoom 5345, refer to Quick Start (PDF).