Dial-Up, PPPoE, Remote Access Servers (RAS)

What is Remote Access? Remote access is the ability to communicate with a computer or network that is located some distance away over a dial-up connection. Remote access was the term originally used to describe connecting users to the Internet using a dial-up connection over traditional POTS or ISDN telephone lines. Virtual private network (VPN) protocols are usually used to secure these private connections. Dial-up remote access is still used today as a back-up to broadband connections. Today, most dial-up remote-access connections are used for point-of-sale (POS) devices, such as credit card terminals, meters and ticketing machines equipped with dial-up modems. Dial-up remote access servers (RAS) are also still prevalent in such industrial communications applications as remote management, machine-to-machine networking and the Internet of things (IoT). Dial-up remote access is used today to provide intermittent, low-bandwidth network connectivity for traffic signal timing controllers, digital signs, emergency alert systems, remote temperature monitors, irrigation system control, vending-machine inventory tracking, medical devices and security monitoring devices.

What is a Remote Access Server (RAS)? A remote access server is a computing device powered by remote access software that answers inbound dial-up modem calls. Sometimes called a communication server, a remote access server incorporates point-to-point protocol over Ethernet (PPPoE) technology to establish a reliable dial up connection. A RAS is installed on the company premises and connected to the internal network and systems. Remote users and machines can make a VPN connection to the RAS using dial-up PPPoE in order to access the internet or private network.

What is Dial-Up? A dial-up connection is established when two or more communication devices use a public switched telephone network (PSTN) to connect to an Internet service provider (ISP), corporate network, or industrial network, using an analog telephone modem. Dial-up modems support speeds ranging from 300 bps (bits per second) to 56 kbps (kilobits per second). Wherever you have a dial-up connection, the individual dial-up calls are "answered" by a remote access server.

Order the Free Remote Access Product Guide

Show Me: Remote Access Servers (RAS)

Patton remote access servers are built on advanced digital modem technology, with support for all the dial-up modem standards including V.110, V.92, V.44, V.90, K56Flex, V.34+ and digital ISDN. Patton RAS answer digital calls from T1 or E1 lines, carrying up to 30 calls from a single link to the PSTN.

Carrier Class Dial-Up Access

ForeFront 3125RC
The FF3125RC dial-up remote access server offers a powerful, scalable dial-up access solution for ILECs, IOCs & CLECs and PTTs in chassis-based rack card profile. Scaling from 96 to 120 ports per blade, a single chassis can support up to 1,560 calls. Instant-on dedicated access with V.92 speeds of 54,000 bps downstream and 28,800 bps upstream with the ability to reach 48,000 bps.

Standalone Remote Access Server

ForeFront 3120
The rack-mountable ForeFront™ 3120 remote access server supports up to 120 digital ISDN or analog (V.110, V.92, V.90, K56Flex, V.34, etc.) dial-up modem connections in a single 1U (1.75 in./4.45 cm) chassis. The FF3120 is the highest density, lowest profile dial-up remote access server available anywhere. Dual-redundant hot-swappable AC or DC power supplies protect against single points-of-failure while two 10/100-Mbps Ethernet ports provide load sharing and traffic balancing.

Teach Me: More about Remote Access Servers

Typical Remote Access Server Applications
Remote Access Servers can support numerous use cases (application scenarios) leveraging traditional dial-up telephone lines. While enterprise and service providers are key deployments, industrial and retail applications are also viable applications.

Remote worker / Teleworker Access to Corporate Network
DSL and Dial-up

Installed in the company headquarters the ForeFront 30120 RAS supports connectivity to corporate network resources such as email and file sharing using dial-up connections through the PSTN or dedicated digital subscriber line (DSL) links.

Carrier / Internet Service Provider Dial-Up Service
Carrier-Class Access Infrastructure Solution for Dial-Up Remote Access Subscribers

Positioned in the carrier-provider network edge, each FF3120 rack card supports up to 120 concurrent dial-up connections to remote users who require dial-up Internet or other network services. The FF3120 provides local point of presence (POP) for dial-up connections to end users.

Remote Access Terminology
Short Glossary of Related Acronyms
RAS - Remote Access Server
PPP - Point-to-Point Protocol
PPPoE - Point to Point Protocol over Ethernet
VPN - Virtual Private Network

Remote Access Synonyms
RAS Server
Dial-up Access Server
Dial-up Internet Server
Communication Server
Dial-up Modem Bank
PPPoE Router
PPP Server
PPPoE Server
Dial-Up Internet Modem

Help Me: Remote Access Technical Help

Patton offers an extensive online library of technical information to help you get your ForeFront remote access server up and running in a jiffy. Patton's web-based FAQs, configuration notes, and application notes provide the detailed knowledge you need to install, configure, troubleshoot and maintain your Patton RAS dial-up modem bank. And these helpful resources are all free right here on www.patton.com. Patton stands behind our high-quality dial-up Internet products with live email and phone support plus lifetime downloadable software updates absolutely free of charge.

Dial-Up Remote Access Servers

ForeFront, 3120
Dial-Up Remote Access Server (RAS), 16 to 120-port, V.92, V.110, V.90, K56Flex, V.34+, and ISDN

ForeFront, 3125RC
Dial-Up Remote Access Server ForeFront Blade

Sales: sales@patton.com / +1 301 975 1000
Support: support@patton.com / +1 301 975 1007

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