International

Headquarters

Zoom Telephonics, Inc.

207 South Street

Boston, MA 02111

USA

Tel: 617 423-1072

Fax: 617 423-3923

email: sales@zoom.com www.zoom.com

Nasdaq: ZOOM

European

Sales/Support

Zoom/Hayes

430 Frimley Business Park

Frimley, Camberley

Surrey, GU16 5SG UK

Tel: +44 (0) 1276 704400

Fax +44 (0) 1276 704500

ADSL X4

Model 5551

 

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)

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

©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.

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

Page 2
Image 2
Zoom 5551 warranty Model, Adsl Modem + Gateway + Router + Firewall, Package contents