Approvals Information
A
-
5
■
All the other apparatus shall comprise only:
■
Apparatus approved (see note) for the purpose of connection
between the apparatus and the digital circuit; and
■
Cable or wiring complying with a code of practice for the
installation of apparatus covered by this standard or such other
requirements as may be applicable.
Such apparatus may have been approved subject to limitations on its
use.
This modem is suitable for use on telephone lines provided with
loop-disconnect or multi-frequency (MF) dialling facilities.
This modem is suitable for household, office and similar indoor use, but is
not suitable for use on an extension to a payphone, or a 1+1 carrier system.
This unit may be used on circuits with CEPT L1 signalling at a nominal
frequency of 2280
Hz. It does not require signalling or otherwise
employ the frequency range 0
Hz to 200
Hz and there is no
requirement for DC from the telephone line for correct operation.
This unit causes a line voltage drop of 0.2
V at a line current of 40
mA
Interference and Safety Requirements
Radio frequency interference may be caused by incorrect operation or
inadequate maintenance of this equipment. This unit is intended for
use with screened digital cables.
If any of your apparatus is not operating correctly, you should
immediately remove it from the telephone line as this may harm the
telephone network (GSTN).
The approval of this unit for connection to GSTN or private speech
band circuits is invalid if the apparatus is subject to modification in any
material way not authorized or if it is used with or connected to
internal software which has not been formally accepted.
