Ringer Equivalence Number; Approved Usage - HP Pavilion 403 Supplementary Manual

If this modem is to be used with a PBX which has extension wiring owned by BT,
connection of the modem to the PBX can only be carried out by BT; or, by the
authorised maintainer of the PNX unless the authorised maintainer has been given
14 days written notice that the connection is to be made by another person, and that
period of notice has expired.
This modem is suitable for use only on telephone lines provided with Loop-Disconnect
or Multi-Frequency Dialing facilities.
Users of this modem are advised that the approval is for connection to the PSTN via
the telephone line interference supplied with it. Connection of a modem to the PSTN
by any other means will invalidate the approval.
There is no guarantee of correct working in all circumstances. Any difficulties should be
referred to your supplier.
Some network operators require that intended users of their network request permission
to connect and for the installation of an appropriate socket.

Ringer Equivalence Number

The ringer equivalence number (REN) of this modem is 1. REN is a guide to the maximum
number of apparatuses that can be simultaneously connected to one telephone line.
The REN value of each apparatus is added together, and should not exceed 4.
Unless otherwise marked, a telephone can be assumed to have a REN value of 1.

Approved Usage

This modem is approved only for the following:
Storage of telephone numbers for retrieval by a predetermined code
I
Detection of initial proceed indication
I
Automatic calling/Automatic answering
I
Tone detection
I
Operation in the absence as a secondary proceed indication
I
Loudspeaker facility
I
This modem is NOT suitable for use as an extension to a payphone.
This modem is not approved for connection to UK private speechband services.
This modem does not support the automatic redial function.
Any other usage will invalidate the approval of your modem, if, as a result, it then
ceases to conform to the standards against which approval was granted.
The approval of this modem is INVALIDATED if the apparatus is subject to
modification in any material way not authorised by the BABT or if it is used with
or connected to external software that has not been formally accepted by BABT.
Storage of Numbers
It is advisable to check the telephone numbers stored in your modem immediately
after programming.
In order to prevent the misdirection of class and network interference, please ensure
that all manually programmed telephone numbers are correctly entered.