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Cisco DPC3941T XFINITY Router Manual PDF (Setup & Configuration Guide)

Given below is full router user manual of Cisco DPC3941T XFINITY router model. You can also download this manual in PDF Format to read later on your computer.

Product user manuals come handy in case you want to know all functionalities of your device, troubleshooting, fist time configuration & setup and in many other situations.

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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Data Sheet
Cisco Model DPC3941T DOCSIS 3.0 24x4
Wireless Residential Voice Gateway
If you’re looking for a cost
-effective, high performance voice and networking gateway
for the home and small office, you’ve just found it. The Cisco
®
Model DPC3941T
DOCSIS 3.0 24x4 Wireless Residential Voice Gateway is multiple solutions in one
product. It combines a cable modem, two-line digital voice adapter, a router, and
802.11n wireless access points in a single device. The gateway delivers a faster
connection to the Internet by incorporating 24 bonded downstream channels along
with four bonded upstream channels. The bonded channels can deliver downstream
data rates that exceed 900 Mbps and upstream data rates that exceed 120 Mbps.
Downstream rates are up to 24 times faster than conventional single-channel
DOCSIS
®
2.0 cable modem rates.
The Cisco Model DPC3941T residential gateway (Figure 1) is designed to meet PacketCable
™
2.0 and DOCSIS
3.0 specifications. It offers backward compatibility for operation in PacketCable 1.0 and DOCSIS 2.0, 1.1, and 1.0
networks.
Figure 1.
Cisco Model DPC3941T DOCSIS 3.0 24x4 Wireless Residential Voice Gateway
(Images may vary from actual product specifications)
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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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The integrated router features a Dynamic Host Configuration Protocol (DHCP) server, Network Address
Translation (NAT), Network Address Port Translation (NAPT), and a stateful packet inspection (SPI) firewall. These
features allow the user to share a single high-speed public Internet connection and to share files and folders
between devices in the home network by attaching multiple wired and wireless devices in the active home or office
to the wireless residential gateway.
Consumer-friendly features like Wireless Protected Setup (WPS) and user-configured parental controls can protect
the home network from unwelcome intruders and protect family members from access to undesirable websites.
Features
DOCSIS
●
Compliant with DOCSIS 3.0, 2.0, 1.1, and 1.0 standards, along with PacketCable specifications, to deliver
high-end performance and reliability
Connections
●
Four 10/100/1000BASE-T Ethernet ports to provide wired connectivity
●
High-performance broadband Internet connectivity
●
Optional: Two USB 2.0 Type 2 connections
●
Dual-band concurrent 802.11ac Wireless Access Point (WAP) with eight Service Set Identifiers (SSIDs)
compatible with 802.11b/g/n
●
WPS, including a push-button switch to activate WPS for simplified and highly secure wireless setup
●
Two-line or single-line RJ-11 telephony ports for connecting to in-home wiring or directly to conventional
telephones or fax machines
Design and Function
●
Attractive, compact design and versatile orientation to stand vertically
●
LED status indicators on the front panel, providing an informative and easy-to-understand display that
indicates the operational status
●
TR-068-compliant, color-coded interface ports and corresponding cables that simplify installation and setup
Management
●
User-configurable parental controls that block access to undesirable Internet sites
●
Advanced firewall technology that deters hackers and protects the home network from unauthorized access
●
Automatic software upgrades by your service provider allowed
Software and Documentation
●
User guide and optional USB driver installation software that can be downloaded from Cisco.com
Table 1.
Front-Panel Features
Feature
Description
Indicators and controls
Power, DS/US, Online, WiFi1, WiFi2, Tel1, Tel2, and Battery
Color
Black, black lens, and silver text
Branding
Xfinity and Comcast model name
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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Figure 2.
Cisco Model DPC3941T Residential Gateway Top Panel
Table 2.
Top-Panel Features
Feature
Description
Indicators and controls
WPS and page
Color
Black, black lens, and silver text
Figure 3.
Cisco Model DPC3941T Residential Gateway Back Panel
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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Table 3.
Back-Panel Features
Feature
Description
RESET
Performs a soft configuration reset of the Cisco Model DPC3941T software.
USB Connector color: blue
Optional (2): Each Type 2 USB 2.0 port connects to a USB port on a printer or another USB device.
TELEPHONE 1 and 2 Color:
gray
RJ-11 telephone ports connect to home telephone wiring and to conventional telephones or fax machines.
ETHERNET (1- 4) Connector
color: yellow
Four RJ-45 Ethernet ports connect to the Ethernet port on your PC or your home network.
MoCA/CABLE Connector
color: white
F-connector connects to an active cable signal from your service provider, provides either combined cable or
MoCA service (MoCA filter off), or MoCA service only (MoCA filter on).
POWER Connector color:
black
Connection for AC power input 120 VAC.
ANTENNA (internal)
Two Internal antennas provide a communication connection for the built-in 802.11n wireless.
Up to 6 external antennas depending upon the product model.
Figure 4.
Cisco Model DPC3941T Residential Gateway Bottom Panel
Table 4.
Bottom-Panel Features
Feature
Description
Manufacturer label
Color: white with black text
Label with key manufacturing information, such as the part number, serial number, CM MAC address, MTA
MAC address, and WAN MAC address
Battery
Color: black
Battery compartment for a 10.8V lithium-ion, 2600 mAh rechargeable battery (included)
Product Specifications
Specification
Description
Voice
Call signaling protocol
PacketCable 2.0
Basic configuration
(per line)
●
SIP signaling port (local receive and source port)
●
SIP registrar
●
SIP proxy
●
SIP outbound proxy
●
Username
●
Password
●
Authentication name
Provisioning modes
PacketCable 2.0 provisioning modes
Voice codec support
Negotiate codec to use based on ordered list
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© 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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Specification
Description
Codecs
Standard: G.711 and T.38 fax relay
Software upgradeable to support other codec combinations including:
●
G.711
●
G 711 and G 722
Line diagnostics
GR-909
Codec packetization levels
10, 20, or 30 mS
Codec synchronization
Codec synchronization to UGS time clock allows slip-free, end-to-end sync to PSTN clock (reduces frame slips
that can cause fax and analog modem call failures)
Codec encryption
Configurable to support AES-128 encryption or no-encryption modes
Hearing-impaired services
support
TDD support including detection of V.18 including Annex A
Fax and analog modem
support
DSP-based modem and fax tone detection and support for voice-band data mode with autocodec negotiation
and autocontrol of echo canceller, jitter buffer, and voice activated detection (VAD)
Packet loss concealment
ANSI T1.521-1999
Call connection quality
monitoring
RTCP, RFC 1889, RFC 1890, and SNMP MIB for last call quality statistics
Dialing modes
DTMF and configurable pulse dial support
Layer 3 quality of service
Configurable DiffServe and TOS support for signaling, RTP, and RTCP flows
Management
SNMPv3, SNMPv2, SNMPv1, Telnet, and SSH with configurable user ID and password, internal log, and
external syslog support
Call feature support
●
Caller ID
●
Call Waiting with Caller ID
●
Cancel Call Waiting
●
Call Conferencing (3-way calls)
●
Configurable Hook-Flash Support
●
Stutter Dial Tone
●
Call Forwarding Unconditional
●
Call Forwarding on Busy
●
Call Forwarding No Answer
●
Call Return
●
Redial Call
●
Automatic Redial
●
Other call features available with compliant CMS or gateway
Networking (non-call)
services
●
Known good proxy
●
Proxy failover
●
Registration control
●
UDP and TCP
●
TLS
●
DNS
●
Static NAT
●
NAT keep alive
Telephone ring loading
Full 5 REN support on each phone line (10 REN total)
Maximum phone line
distance
Supports up to 1000 ft of AWG26 wire (0.4mm) on each phone line
Supports operation with typical in-home telephone wiring
IPV6
Dual IPV4 and IPV6
CM
Residential Gateway
Gateway configuration
management
●
TR-069 and subset of TR-098 data model (optional)
●
Extensive custom SNMP MIB for the gateway
●
Provisioning with SNMP
●
HNAP server 1.2+

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