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The SB6121 rear panel contains the following cabling port and connectors:
ITEM
1
2
3
MAC Label
The SB6121 Media Access Control (MAC) label is located on the bottom of the modem.
It contains a MAC address which is a unique, 48-bit value that identifies each Ethernet
network device.
To receive data service, you must provide the MAC address marked HFC MAC ID to
your Internet Service provider.
Product Overview • MAC Label
SB6121 DOCSIS 3.0® Cable Modem • Installation Guide
Uncontrolled Document
DESCRIPTION
Ethernet port for connecting an Ethernet-equipped
computer, hub, bridge, or switch using an RJ-45 cable
Coaxial cable connector
+12VDC Power connector
B
5
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