Zoom ADSL X4 5551 Specifications

High-speed always-
on Internet access
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 ® , Linux, &
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
Two year warranty
ADSL Modem + Gateway + Router + Firewall
Model 5551
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:
• DMT modulation and demodulation
• Full-rate adaptive modem
• Tone detection for low power mode
• Supports splitterless ADSL implementation
• Supports DSLAM notification on power loss (Dying gasp)
• Interoperable with all major DSLAM manufacturers
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
- Full-rate ANSI T1.413 Issue 2 and ITU G.dmt (G.992.1) standards
- Splitterless G.lite (G.992.2) specification
- Annex A
- Maximum downstream rate of 8 Mbps
- Maximum upstream rate of 1 Mbps
Zoom
ADSL X4