3Com ACCESSBUILDER 7000 User Manual - page 41

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.