Product
Overview
SURFboard® SB6121
•
DOCSIS® 3.0 Cable Modem
•
User Guide
4
365-095-25896-x.1
Rear Panel
Figure 2 – SB6121 Rear View
Table 3 – SB6121 Rear Panel Ports & Connectors
Port Name
Description
1
Ethernet port for an RJ-45 cable connection
A green LED indicates a data connection is made
2
Coaxial cable connector
3
+12VDC Power connector
Note
: Only use the power supply provided with the cable
modem.
Modem Label
The modem label is located on the bottom of your SB6121. It contains specific cable modem ID
information that you may need when contacting ARRIS Technical Support or your service provider.
To receive Internet service, you will have to contact your service provider for assistance. Make sure
you have the modem model name (
SB6121
), MAC address (
HFC MAC ID
), and serial number (
S/N
)
located on the modem label.
