Linksys RT41P2-AT Brochure

Product Data

Router Features

• Four 10/100 BaseT Ethernet ports 

to share Internet connection

• Two RJ-11 voice ports for analog 

phones or fax machines with two 
independent telephone 
numbers

• Supports QoS (Quality of Service) 

to ensure best voice quality

• Advanced security 

management functions for port 
filtering, MAC address filtering, 
and DMZ hosting

• Web-based configuration 

through a built-in web server

• Supports Universal Plug-and Play 

for easy configuration

Voice Features

• Supports Session Initiation 

Protocol (SIP)

• Supports DTMF tone detection 

and generation

• Supports FSK Caller ID, DTMF 

Caller ID, and FSK VMWI

• Supports echo cancellation and 

Voice Activity Detection (VAD)

• Supports multiple voice 

compression G.711, G.726, 
G.729, G.723.1

• Supports remote provisioning 

server update

E-mail:

sales@linksys.com
support@linksys.com

Web:

http://www.linksys.com

Linksys products are available in more than 
50 countries, supported by 12 Linksys 
Regional Offices throughout the world. For a 
complete list of local Linksys Sales and 
Technical Support contacts, visit our 
Worldwide Web Site at www.linksys.com.

Specifications

Model

RT41P2-AT

Standards

IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX)

Ports/Button

One 10/100 RJ-45 Port for Broadband Modem,

Four 10/100 RJ-45 Switched Ports, Two RJ-11 Phone Ports,

One Power Port, One Reset Button

Cabling Type

RJ-45 Ethernet Category 5,

RJ-11 Standard Phone Cable

LEDs

Power, Ethernet (1-4), Phone (1-2), Internet

UPnP able/cert

Able

Voice Protocol

Session Initiation Protocol (SIP v2)

Voice Codecs

G.711 a-law, G.711µ-law, G.726, G.729 A, G.723.1

Ring Voltage

40 - 50 VRMS (typical, balanced ring only)

Ring Frequency

25 Hz

Ringer Equivalence 

Number  (REN)

5 per RJ-11 port (over 2000 feet)

Environmental

Dimensions

186 mm x 48 mm x 155 mm

 (W x H x D )

(7.32" x 1.89" x 6.10")

Unit Weight

13.33 oz. (0.38 kg)

Power Input

External, 12V DC

Certifications

FCC

Operating Temp.

0ºC to 40ºC (32ºF to 104ºF)

Storage Temp.

-20ºC to 60ºC (-4ºF to 140ºF)

Operating Humidity

10% to 85%, Non-Condensing

Storage Humidity

5% to 90%, Non-Condensing

RT41P2-AT-DS-41027A JL

• Broadband Router with 

2 Phone Ports

• Power Adapter
• Setup  Wizard  CD-ROM
• User  Guide  on  CD
• RJ-45 Network Cable
• Quick Installation
• Registration Card
• AT&T CallVantage

sm

 Documents

• Celeron 300 MHz or faster PC
• 128MB of RAM
• High-speed Internet connection (cable/DSL/other)
• Regular analog touch-tone telephone or fax machine for Voice Service
• CD-ROM  drive
• Internet Explorer 5.0 or Netscape 6 or higher for Linksys router web-

based configuration

• Activated AT&T CallVantage Voice over IP Service (Router not 

compatible with service of other VoIP providers)

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2004 
Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders.