Zoom X4 5551 User Manual

High-speed always­on Internet access

Zoom
ADSL X4

ADSL Modem + Gateway + Router + Firewall

Model 5551

Built-in Router for 1
to 253 Concurrent
Users

Ethernet and USB
ports - supports
concurrent use by 2
computers, or by a
PC and a Hub or
wireless access
point

Works with Win-

®

dows
Macintosh
Computers

Easy to install

Built-in NAT firewall
security for hacker
protection

Works great with
wireless access
points or gateways

Documentation and
software provided
in Danish, Dutch,
English, French and
Portuguese and
Spanish

, Linux, &

®

The Zoom ADSL X4 is a full-rate ADSL modem and a powerful gateway/router/firewall
in a single affordable product.

Ethernet and USB ports supporting concurrent use provide extreme flexibility. Plug in
one or two computers, and each can enjoy simultaneous independent Web access. Or
connect a computer to the USB port, and a hub or wireless access point to the Ethernet
port, to provide simultaneous Internet access for up to 253 computers.

Setup is easy using any authorized local or remote computer's Web browser and the
product's intuitive graphical user interface.

A built-in ARM9 processor helps to create a stable, powerful platform; and
upgradeable Flash memory allows easy feature upgrades.

Documentation and software is provided in Danish, Dutch, English, French, Portuguese
and Spanish. Technical support is available in English, French, German and Spanish.

Specifications

ADSL Compliance • Compliant with ADSL standards:

- Full-rate ANSI T1.413 Issue 2 and ITU G.dmt (G.992.1) standards

- Splitterless G.lite (G.992.2) specification

- Annex A

• DMT modulation and demodulation

• Full-rate adaptive modem

- Maximum downstream rate of 8 Mbps

- Maximum upstream rate of 1 Mbps

• Tone detection for low power mode

• Supports splitterless ADSL implementation

• Supports DSLAM notification on power loss (Dying gasp)

• Interoperable with all major DSLAM manufacturers

Two year warranty

ATM Protocols • WAN mode support: PPP over ATM (RFC 2364) and PPP over

Ethernet (RFC 2516)

• LAN mode support: bridged/routed Ethernet over ATM (RFC 1483) and
Classical IP over ATM (RFC 1577)

• ATM Forum UNI 3.1/4.0 PVC

• Up to eight virtual circuits

• ATM segmentation and re-assembly

• ATM AAL5 (adaption layer type 5)

• OAM F4/F5

Model 5551

ADSL X4

ADSL Modem + Gateway + Router + Firewall

Specifications (continued)

Bridge Mode • Ethernet to ADSL self learning - Transparent Bridging (IEEE 802.1D)

• Supports up to 128 MAC learning addresses

Router Mode • IP routing - RIP v2

• Static routing

• DNS Proxy

• Port Forwarding

• DHCP (Dynamic Host Configuration Protocol) server and client

• NAT (Network Address Translation)

• NAPT (Network Address and Port Translation)

• Simultaneous USB and Ethernet operation

Security • User authentication for PPP

• PAP (Password Authentication Protocol)

• CHAP (Challenge Authentication Protocol)

• Password protected system management

Ethernet Interface • IEEE 802.3 compliant

• 10/100 BaseT - RJ45

USB Interface • Compliant with USB Specification, Revision 1.1

• Full-speed USB (12 Mbps)

International
Headquarters

Zoom Telephonics, Inc.
207 South Street
Boston, MA 02111
USA
Tel: [phone]
Fax: [phone]
email: [e-mail]

www.zoom.com

Nasdaq: ZOOM

European
Sales/Support

Zoom/Hayes
430 Frimley Business Park
Frimley, Camberley
Surrey, GU16 5SG UK
Tel: [phone]
Fax [phone]

©2002 Zoom Telephonics, Inc.,
207 South Street, Boston, MA 02111
Zoom is a registered trademark of
Zoom Telephonics, Inc. Windows 98,
Windows Me, Windows 2000,
Windows NT4.0 and Windows XP are
registered trademarks of Microsoft
Corporation.
All other registered trademarks and
trademarks used herein are the
property of their respective holders.

Web-based • HTTP Graphical User Interface

• Password protected access

• Firmware upgrade via FTP

• WAN and LAN side connection statistics

• Configuration of static routes and routing table

• Configuration of NAT/NAPT

• Selection of bridge or router mode

• PPP user ID and password

• Configuration of virtual circuits

Warranty • 2 years
Size • 14.6cm x 11.2cm x 2.8cm
Regulatory Approval • CE, EN5502, EN55024, IE C69950

Package contents:

• Ethernet/USB modem

• Ethernet cable

• USB cable

• Phone cable

• CD ROM disk

• User manual

• Power adapter

• Filters and phone adapters:
Filters and/or phone adapters may be included

in some markets. Please check the package for
specifics or ask your dealer. An ADSL filter
allows a telephone, facsimile machine, or other
telephone instrument to be used even when you
are online with your ADSL modem.

06625552