Allied Telesis www.alliedtelesis.com
Datasheet | Routers
AT-AR256E
4-Port ADSL Router
A
T-AR256E
ADSL Bridge/Router with integral
4 x 10/100Mbps switch
High Bandwidth Access to the
Internet and Corporate LAN
The AT-AR256E is the perfect solution for the
small office or branch office that wants to use
high speed, ‘always on’ ADSL services to access
the Internet or other corporate locations.
Combining a ADSL modem, IP router, 4-port
10/100TX switch and Stateful Inspection
Firewall into one aff
ordable unit, the AT-AR256E
provides the ideal solution for bandwidth-
hungry end-users and ADSL service providers
who need security. The AT-AR256E is easily
installed over an existing analog line, supporting
standard POTS operation together with state-
of-the-art ADSL services. Applications include
data intensive office use, fast web download,
video-on-demand, video streaming and
telecommuting via Virtual Private Network
(VPN).
VPN operation is supported using
IPSec, PPTP and L2TP pass-through.
Business-class Stateful Inspection
Firewall with Intrusion Detection
Because
ADSL offers an ‘always on’ connection,
users are actually more at risk using this service
than with conventional modem dial-up. To
counter this threat, the AT-AR256E is equipped
with a po
w
erful Stateful Inspection Firewall that
protects against malicious attacks from the
Internet – giving peace of mind security for the
home and office LAN. In addition, a built-in
‘Intr
usion Detection System’
protects against a
wide range of Denial of Service attacks.
Network Address Translation (NAT) also ‘hides’
all LAN users behind one pub
lic IP address,
protecting the LAN from external hackers.
Single PPTP or multiple IPSec and L2TP
sessions are supported using the
A
T
-AR256E’
s
sophisticated pass-through capability; standard
NAT limitations are no longer a barrier for the
power user.
The Ser
vice Provider’s Choice
The AT-AR256E is ADSL2 and ADSL2+
compliant, supporting up to 12Mbps and
24Mbps downstream data rates respectively.
Using industry-standard Discrete Multi-Tone
(DMT) technology, the AT-AR256E supports
network speeds up to 8Mbps downstream and
up to 1Mbps upstream. Alternatively, G.lite is
supported for applications where minimum cost
and tool-free installation is required. Close
partnering with Digital Subscriber Line Access
Multiplexer (DSLAM) vendors ensures the
highest lev
els of interoperability for service
providers, with extensive ADSL testing being
carried out. Built-in support for PPP over
Ethernet (PPPoE) and PPP over ATM (PPPoA)
provides full compatibility with existing ISP dial-
up systems. Bridged Ethernet and IP over ATM
complete the range of flexible and robust
network connectivity options. Superior
rate/reach performance ensures that service
providers and users alike enjoy maximum data
throughput at maxim
um line-lengths from the
exchange.
Easy to Set Up
Installation takes a matter of minutes using the
simple
, browser-based configuration interface.
Standard cabling is used to connect to the
Ethernet LAN and ADSL. All cables are
supplied with the product. All TCP/IP
Oper
ating Systems are suppor
ted,
including
Windo
ws,
Linux and Mac. An integral DHCP
server provides automatic IP address
assignment to all PCs on the LAN to minimize
netw
or
k administr
ation.
Both static and
dynamic IP address assignment are supported
on the ADSL interface, so that all connection
modes are suppor
ted.
Key Features
• High speed ADSL connectivity with integral
4-port switch
• Supports RE-ADSL2/2+, ADSL2/2+, G.dmt.bis,
G.lite.bis, G.dmt and G.lite ADSL standards,
Annex A or B
• Supports ADSL standards Annex L
and Annex M
• Up to 24Mbps downstream, and
up to 3.5Mbps upstream data rate
• 1 x ADSL/2/2+ port
• 4 x 10/100 Ethernet ports
• Network Address Translation (NAT)
• Integral Stateful Inspection Firewall
• Integral Intrusion Detection System
• IPSec, PPTP and L2TP VPN pass-through
• Dynamic port opening for gaming applications
• Browser-based GUI
• PAP/CHAP/MS-CHAP authentication
• Dynamic IP address assignment
• Static IP address assignment
• Dynamic Host Configuration Protocol (DHCP)
server/relay/client
• SNMP v1 and v2c
• Compact form factor
• Flash upgradeable
(2 pages)
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