User’s Guide
Appendix A
Page A-11
This
modem
is also
suitable
for connection
to
P
rivate
A
utomatic
B
ranch
E
x
change (
PABX
),
which return secondary proceeding indication.
If this modem is to be used with a PBX which has extension wiring owned by BT,
connection of the modem the PBX can only be carried out by BT; or by the authorized
maintainer of the PBX unless the authorized maintainer has been given 14 days written
notice that the connection is to be made by another person; and that period of notification
has expired.
This modem is suitable for use only on telephone lines proved 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 interface 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.
The
R
inger
E
quivalence
N
umber (
REN
) of this modem is 1.
REN
is guide to the
maximum number of apparatus that can simultaneously be connected to one telephone line.
The
REN
value of each apparatus is added together, and should not exceed 4. Unless
otherwise marked, a telephone is assumed to have a
REN
of 1.
This modem is only approved for use of the following facilities:
•
Storage of telephone numbers for retrieval by a predator mined code.
•
Initial proceed indication detection.
•
Automatic calling / automatic answering.
•
Tone detection.
•
Loud-speaking facility.
This modem is not approved for connection to U.K./private speech-band services. This
modem does not support an automatic re-dial function. Any other usage will invalidate the
approval of your modem, if as a result, it then ceases to confirm 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 authorized by the
BABT
or if it is used
with, or connected to external software that have not been formally accepted by
BABT
.
