1 line interface lif-40, 1 general, 1 telefax devices and modems – SIGMA BENEFON TDP-52-SN3 User Manual

Page 163: 2 fixed line telephones, 3 cordless telephones, 4 other tele-devices, 2 using the line interface, 1 calling from the tele-device, 1 line interface lif-40 - 2, 1 general - 2

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27.1.1999

Xo0245e4_fm5.fm

2

Product: LIF-40 (Line Interface) / YO0245

9.1 LINE INTERFACE LIF-40

YO0245

9.1.1 General

The line interface is an accessory for a Benefon phone to enable a tele-device
approved for the general network to be connected to the handportable. The tele-
device should be approved for connection to a fixed line network.

9.1.1.1 Telefax devices and modems

An error correcting modem (e.g. MNP, LAPM), and telefax (Level III or newer) are
recommended for data transfer. Check that the recipient also uses an equivalent
protocol, otherwise the error correction feature will not operate.

The data transfer speed will depend on the quality of the call. Whenever possible,
use a fixed baud rate. An automatic baud rate selector does not necessarily work
with a cellular phone.

The modem/telefax may suffer interference from a powerful radio field. Check this by
testing with e.g. a magnetic antenna.

9.1.1.2 Fixed line telephones

Check that the telephone does not suffer interference from the handportable radio
field. Connect the line interface to the desired tele-device. Make a call from the
device and move the hand-phone antennna around the vicinity of the device.

9.1.1.3 Cordless telephones

These are not recommended for use with the line interface.

9.1.1.4 Other tele-devices

Before connecting the device to the line interface, make sure that the device has
been type-approved and meets the standards required for connection to a fixed line
network.

9.1.2 Using the line interface

9.1.2.1 Calling from the tele-device

When the dialling tone is heard through the tele-device handset, dial the area code
and number (max.23digits). The number dialled will appear in the handportable dis-
play.

About 7 s. after the last entry, the hand-phone will initiate the call. If the call is unsuc-
cessful, a busy tone will be heard from the handset.

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