Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. Good Downstream power levels are within -7 to +7 dBmV. Good Upstream power levels are within 38-48 dBmV.
To view the upstream and downstream power levels:
- Launch a web browser from a computer or mobile device that is connected to your network.
- Enter http://192.168.100.1.
- Enter your cable modem or modem router’s user name and password.
The user name is admin. The default password is password. The user name and password are case-sensitive.
The BASIC Home page displays. - Select Cable Connection.
The downstream and upstream power levels display.
Last Updated:07/07/2025
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Article ID: 24311