One type of popular and well-established modems are Motorola Surfboard (Arris) Modems. These modems have been a popular choice for both cable providers and users who purchase their own. Accessing your modem can give you a good sign of possible issues arising from inadequate signal strength or too much noise on the line that will affect the connection.
By accessing the screen pages inside your modem, you should be able to gain some information on your Internet connection. Two important pages are the Status page and the Signal page, both showing a snapshot of information about your current Internet provider's Internet signal strength and potential issues that could affect your connection and ultimately your VoIP service.
Poor signal levels result in: Signal levels that are not in the acceptable parameters listed above can cause loss of connection, slow speeds and connection issues, including failure of one step needed for registration with the provider, packet loss or the need for packet retransmission.
Premise hardware: On premise hardware, including splitters, bad connectors, and poor quality cabling, will affect cable signal levels and can cause problems. The cable modem should be a direct line from the first splitter using the leg with the least dB loss. This will allow the best level of the signal from the cable box at the premise to reach the modem.
Signal level variation: Checking the modem's signal levels is a snapshot of those levels at that moment. Weather and the change of temperatures affect cable hardware, which can reflect in variations of the levels at the modem. Best performance should include a bit of headroom in a modem's levels of approximately 3dB. If you check the modem and find variations occurring in a short time, where the signal level readings change sporadically, then this should raise a red flag. Fluctuations regularly point to an issue that needs to be corrected.
New and refurbished Arris modems at great prices, from dependable dealers:
ARRIS SURFboard SB6190 DOCSIS
3.0, 2 Year Warranty
ARRIS SURFboard SBV2402 DOCSIS 3.0 Cable Modem w/ 2 Telephony Ports, 2 Year Warranty
ARRIS SURFboard SB6141-RB 8x4 DOCSIS 3.0 Cable Modem (Renewed)
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