3
SBV5120 Series VoIP Cable Modem User Guide
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Introduction
Installation
Troubleshooting
Glossary
License
Rear Panel
The rear panel provides cabling connectors and the power receptacle.
Before You Begin
Before you begin the installation, check that you received the following items with your SURFboard VoIP cable
modem:
Key Item
Description
1 & 2 Tel 1 and Tel 2
Telephone ports 1 and 2 provide connections for two telephone lines.
3
ETHERNET
The Ethernet port provides a connection to Ethernet equipped computers using a cable
terminated with an RJ-45 connector.
4
USB
The USB port provides a connection to
USB
equipped computers.
5
Reset
If you experience a problem, you can push this recessed button to reset the VoIP cable modem
(see
“Troubleshooting”
on page 34). Resetting may take some time (5 to 30 minutes) because
the VoIP cable modem must find and lock on the appropriate communications channels.
6
CABLE
The CABLE port provides a connection to the
coaxial cable (coax)
outlet.
7
+12VDC
This connector provides power to the VoIP cable modem.
Item
Description
Power
adapter or
cable
Connects to:
•
the AC power outlet
•
to a
UPS
10/100Base-T
Ethernet cable
Connects to the
Ethernet
port
USB cable
Connects to the
USB
port
CABLE
+12VDC
USB
TEL
2
TEL
1
ETHERNET
1 2
&
3
4
5
6
7