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SURFboard
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SBV4200 VoIP Cable Modem User Guide
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Introduction
Before You Begin
Installation & Configuration
FAQ
Troubleshooting
Glossary
Top and Front Panel
For added security, you can press the Standby button
(1) to suspend your Internet
connection. No data is transmitted or received from the Internet when the Standby light is
on. All other front-panel lights turn off until you press the Standby button again.
The lights provide information about power, communications, and errors:
During normal operation, the Power, Receive, Send, and Online lights are on and the
Activity light flashes when the VoIP cable modem is transferring data.
Key Light
Flashing
On
2
Power
Startup diagnostics in progress
The VoIP cable modem is powered on
3
Receive
Scanning for a receive
(
downstream
) channel connection
The downstream channel is
connected
4
Send
Scanning for a send (
upstream
)
channel connection
The upstream channel is connected
5
Online
Scanning for a network
connection
The startup process is complete
6
PC Activity Transmitting or receiving data
A device, such a computer or hub, is
connected through USB or Ethernet
7
Standby
This light does not flash
Internet service is blocked because
the Standby button was pressed. If this
light is on, all other lights are off.
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5
6
7
The model number on your VoIP cable modem
may be different than in the illustrations and
screen images in this guide.
