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Page 11 / 27 Scroll up to view Page 6 - 10
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Product Overview • MAC Label
SB6121 DOCSIS 3.0® Cable Modem • Installation Guide
5
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The SB6121 rear panel contains the following cabling port and connectors:
ITEM
DESCRIPTION
1
Ethernet port for connecting an Ethernet-equipped
computer, hub, bridge, or switch using an RJ-45 cable
2
Coaxial cable connector
3
+12VDC Power connector
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.
Page 12 / 27
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Installing the Modem • Connecting the SB6121
SB6121 DOCSIS 3.0® Cable Modem • Installation Guide
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Uncontrolled Document
3
Installing the Modem
Connecting the SB6121
This product is for indoor use only. Do not route the Ethernet cable outside of
the building. Exposure of the cables to lightning could create a safety hazard
and damage the product.
1.
Make sure the coaxial cable is connected to a cable outlet or splitter.
2.
Connect the other end of the coaxial cable to the Cable connector on the modem.
Hand-tighten the connectors to avoid damaging them.
3.
Plug the power cord into the Power port on the modem.
4.
Plug the other end of the power cord into an electrical wall outlet.
5.
Connect the Ethernet cable to the Ethernet port on your computer.
6.
Connect the other end of the Ethernet cable to the Ethernet port on the modem.
Page 13 / 27
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Installing the Modem • Wall Mounting the Modem
SB6121 DOCSIS 3.0® Cable Modem • Installation Guide
7
Uncontrolled Document
Using the Energy Conservation Switch
The Energy Conservation switch is a Power on/off button used to shut off power to the
SB6121 when high-speed data services are not being used.
•
Push
button in the ON position (pushed in) to power on the cable modem
•
Push
button in the OFF position (pushed out) to power off the cable modem
Wall Mounting the Modem
If you choose to mount the cable modem on a wall, do the following before starting:
•
Locate the unit as specified by the local or national codes governing residential or
business cable TV and communications services.
•
Follow all local standards for installing a network interface unit/network interface
device (NIU/NID).
•
Make sure the power cord is disconnected from the wall outlet and all cables are
removed from the back of the cable modem before starting the installation.
•
Decide if you are mounting the modem horizontally or vertically.
•
Make sure you have the following items:
Wall-mounting template
Applicable screwdriver: Phillips or flathead
Two M3.5 (#6) screws with a flat underside and maximum screw head diameter
of 9.0 mm to mount the cable modem.
Note
:
If possible, mount the modem to concrete, masonry, a wooden stud, or some
other solid wall material. Use anchor bolts if necessary (for example, if you mount the
unit on drywall).
Page 14 / 27
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Installing the Modem • Wall Mounting the Modem
SB6121 DOCSIS 3.0® Cable Modem • Installation Guide
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Uncontrolled Document
Before drilling holes in the wall, check the structure for potential damage to water,
gas, or electrical lines.
1.
Position and secure the wall mounting template on the wall to mark the holes.
2.
Select an appropriate depth and diameter to drill the holes to a depth of at least 1½
inches (3.8 cm).
Note
: The hole depth will be determined by the installer and by the type of hardware
selected.
See the dimension diagram below for the spacing needed between the wall and
underside of the screw head:
9.0 mm (0.35”) maximum
screw head diameter
2.6 mm (0.10”) maximum
screw head thickness
2.5 mm (0.10”) minimum
screw head to wall spacing
3.
After mounting the cable modem, reconnect the coaxial and Ethernet cable.
4.
Re-plug the power cord into the +12VDC Power connector on the cable modem and
the electrical outlet.
5.
Properly arrange the cables to prevent any safety hazards.
6.
Verify that the cable modem is still securely attached to the wall.
Wall Mounting Template
Print the wall mounting template on the following page.
Page 15 / 27
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Installing the Modem • Wall Mounting the Modem
SB6121 DOCSIS 3.0® Cable Modem • Installation Guide
9
Uncontrolled Document

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