Overview - Alienware M15x Core i7 User Manual

Alienware Area-51 m15x
®

Overview

On 4th August 1998 the European Council Decision regarding the CTR 21 has been
published in the Official Journal of the EC. The CTR 21 applies to all non voice terminal
equipment with DTMF-dialling which is intended to be connected to the analogue
PSTN (Public Switched Telephone Network).
CTR 21 (Common Technical Regulation) for the attachment requirements for
connection to the analogue public switched telephone networks of terminal
equipment (excluding terminal equipment supporting the voice telephony justified
case service) in which network addressing, if provided, is by means of dual tone
multifrequency signalling.
Network Compatibility Declaration
Statement to be made by the manufacturer to the Notified Body and the vendor:
"This declaration will indicate the networks with which the equipment is designed
to work and any notified networks with which the equipment may have inter-working
difficulties"
Network Compatibility Declaration
Statement to be made by the manufacturer to the user: "This declaration will indicate
the networks with which the equipment is designed to work and any notified networks
with which the equipment may have inter-working difficulties. The manufacturer shall
also associate a statement to make it clear where network compatibility is dependent
on physical and software switch settings. It will also advise the user to contact the
vendor if it is desired to use the equipment on another network."
Up to now the Notified Body of CETECOM issued several pan-European approvals
using CTR 21. The results are Europe's first modems which do not require regulatory
approvals in each individual European country.
Non-Voice Equipment
Answering machines and loud-speaking telephones can be eligible as well as
modems, fax machines, auto-dialers and alarm systems. Equipment in which the end-
to-end quality of speech is controlled by regulations (e.g. handset telephones and in
some countries also cordless telephones) is excluded.
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