Preface - ZyXEL Communications Prestige 642 User Manual

About Your ADSL Internet Access Router
Congratulations on your purchase of the Prestige 642 ADSL Internet Access Router.
The Prestige 642 (P642) is an ADSL router/bridge used for Internet/LAN access via an ADSL line. The
Prestige 642 consists of four models as shown in the following table.
Model Description
Prestige 642 Full This multiprotocol router (IP
Rate Router and IPX) complies with the
ANSI T1.413 Issue 2 and
G.dmt standards offering
transmission speeds of up to 8
Mbps downstream and 832
Kbps upstream.
Prestige 642 This multiprotocol router (IP
G.Lite Router and IPX) complies with the
G.Lite standard providing
transmission speeds of up
1.536 Mbps downstream and
512 Kbps upstream.
Prestige 642 Full As above but with bridging
Rate Modem not routing functions.
Prestige 642 As above but with bridging
G.Lite Modem not routing functions.
There are two Prestige 642 manuals. This manual discusses the Prestige 642 Full Rate and G.Lite routers
(see What is ADSL ahead for more details). We will refer to the Prestige 642 router as the P642 or simply
the Prestige from now on.
The P642 can run upstream maximum transmission rates of 640Kbps and downstream maximum
transmission rates of 8Mbps. The actual rate depends on the copper category of your telephone wire,
distance from the central office and the type of ADSL service subscribed. See the sections below for more
background information on DSL and ADSL.

Preface

Prestige 642 ADSL Internet Access Router
Protocols Supported
Multi-protocol
routing for TCP/IP
and Novell IPX
Multi-protocol
routing for TCP/IP
and Novell IPX
Transparent
bridging
Transparent
bridging
List 1
Preface
Primary Application
Applications that require real-
time, interactive multimedia
and broadcast-quality video
such as collaborative
computing, video
conferencing, distance
learning and video-on-demand
as well as super-fast Internet
Access.
Fast Internet Access.
Super-fast bridging
Fast bridging.
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