Cisco EPC3925 User Manual

Cisco Model DPC3925 and EPC3925
8x4 DOCSIS 3.0 Wireless
Residential Gateway with Embedded
Digital Voice Adapter User Guide
In This Document
 IMPORTANT SAFETY INSTRUCTIONS ............................................................... 2
 Introduction ............................................................................................................... 12
 What's In the Carton? ............................................................................................... 14
 Front Panel Description ........................................................................................... 15
 Back Panel Description ............................................................................................ 16
 What Are the System Requirements for Internet Service? .................................. 18
 How Do I Subscribe to High-Speed Internet and Telephone Service? ............. 19
 Where Is the Best Location for My DOCSIS Residential Gateway? .................. 21
 How Do I Mount the Modem on a Wall? (Optional) ........................................... 22
 What Are the Requirements for Telephone Service? ........................................... 25
 How Do I Connect My Gateway for Internet and Telephone Service? ............. 26
 How Do I Configure My DOCSIS Residential Gateway? ................................... 29
 Configure Wireless Settings .................................................................................... 38
 Configure Security .................................................................................................... 54
 Control Access to the Gateway ............................................................................... 63
 Configure Applications and Gaming ..................................................................... 72
 Manage the Gateway ................................................................................................ 78
 Monitor Gateway Status .......................................................................................... 87
 Frequently Asked Questions ................................................................................... 94
 Tips for Improved Performance ............................................................................. 98
 Front Panel LED Status Indicator Functions ......................................................... 99
 Notices ...................................................................................................................... 103

Cisco EPC3925 Specifications

General

Security algorithms	WEP, WPA, WPA-PSK, WPA2, WPA2-PSK
Wi-Fi	Yes
Modulation	128-QAM, 16-QAM, 32-QAM, 64-QAM, 8-QAM, QPSK
Frequency band	2.4 GHz
Networking standards	IEEE 802.11n
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	4
Input current	1.5 A
Input voltage	15 V
Input frequency	50/60 Hz
Power requirements	230 VAC
Power consumption (typical)	17 W
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	0 - 95 %
Voice codecs	G.711, G.723, G.726, G.728, G.729, G.729A

Weight and Dimensions

Weight	430 g
Dimensions (WxDxH)	176 x 145 x 45 mm

Summary

Important Safety Instructions

General Safety Precautions

Lists essential safety instructions for apparatus usage, environment, and electrical safety.

Regulatory and Environmental Compliance

Covers FCC, CE compliance, RF exposure, and national restrictions for product use.

Introduction to Your Gateway

Gateway Benefits and Features

Highlights the key advantages and functionalities of the Cisco residential gateway.

Hardware and Initial Setup

Unboxing and Panel Descriptions

Details what's in the carton and describes front and back panel components.

System Requirements for Internet Service

Specifies minimum hardware and software requirements for PC and Macintosh.

Service Subscription and Connection

Subscribing to Internet and Telephone Service

Guides users through setting up accounts for high-speed Internet and telephone services.

Connecting the Gateway for Service

Provides step-by-step instructions for connecting the gateway to power, network, and phone lines.

Gateway Configuration Essentials

Initial Login and Quick Setup

Covers logging in for the first time and performing essential quick setup steps.

LAN and Wireless Network Setup

Explains how to configure LAN settings, IP addresses, DHCP, and wireless network parameters.

Security and Access Control

Configures firewall, VPN passthrough, and access restrictions for network security.

Advanced Configuration and Management

Applications and Gaming Setup

Guides on port filtering, forwarding, triggering, and DMZ for specific applications and gaming.

Gateway Management and Administration

Covers administration tasks like connection management, user settings, reporting, diagnostics, and backups.

Monitoring and Troubleshooting

Monitoring Gateway Status

Explains how to view the status of the gateway, local network, and wireless connections.

Frequently Asked Questions

Provides answers to common user queries, including TCP/IP configuration and IP renewal.

Troubleshooting Common Issues and LEDs

Addresses common problems like LED indicators, connection errors, and performance tips.