Quick Installation Guide

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Device Grounding: Install the eMTA to include grounding the
coaxial cable to the earth as close as practical to the building
entrance per ANSI/NFPA 70 and the National Electrical Code
(NEC, in particular, Section 820.93, Grounding of the Outer
Conductive Shield of a Coaxial Cable). The device is designed for
IT power systems with phase-to-phase voltage at 120V.
This unit requires a 100-240V, 50-60Hz power adapter. The power
adapter must be keyed for proper polarization, and must be fully
inserted to contact the back of the power connector port to
ensure snug connection. Use only the supplied power adapter.
Disconnecting the Device: If the eMTA becomes damaged or
encounters some other abnormality, disconnect the power adapter
from the AC wall outlet immediately.
Temperature and Altitude: Install the device in a location not to
exceed the maximum operating temperature of 104˚F (40˚C).
Maximum operating altitude is 5000 m (16,404 ft.).
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SAFETY NOTICES
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PREPARING FOR INSTALLATION
Verify package contents, RF cable connectors, and power outlet.
✓
Unpack the box and confirm the following components:
✓
Locate the RF (coaxial) cable connector on the wall.
✓
Verify the power outlet is working and is wired correctly. Place
your eMTA within a proper distance from the outlet.
E31U2V1
1 Ethernet Cable
(RJ-45)
1 Power Adapter
(use only this adapter)
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ACCESSING THE WEB USER INTERFACE (UI)
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BASIC MODEM INFORMATION
1
Example of
Cable
RF MAC Address
00:71:CC:8E:54:C7
Firmware Version
14.2.xxxx
Compatibility
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DOCSIS 3.1/3.0/2.0/1.1/1.0 certified
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Ethernet 10/100/1000 Mbps
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PacketCable 1.5 (NCS) or 2.0 (IMS/
SIP) compatible
E31U2V1 Quick Installation Guide
User Interface (UI) Web pages are disabled by default. On the
Charter secure management network, the UI can be accessed by
enabling HTTP/HTTPs using either RIO or DRUM. Access can be
enabled for the cable RF port or the LAN (Ethernet) port.
1. Generate a Password of the Day (PoTD) using the PoTD tool.
2. Enable HTTP/HTTPs using RIO or DRUM.
3. Use IPv4 or IPv6 to remotely access the UI of the E31U2V1
DOCSIS 3.1 eMTA.
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IPv4: WAN side via the RF CM IPv4 address. Example:
HTTP://10.11.12.13
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IPv6: WAN side via the RF CM IPv6 address."
Example: HTTP://[2001:b021:15:7a00:dc4d:dc7c:467c:
4dfb]
4. User Interface Sign-In
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Username: technician
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Password <PoTD> (Password of the Day)
NOTE: From the LAN side Ethernet port, access is possible only
using the IPv4 address 192.168.100.1.