For Fax/Tel Mode Only; Connecting An External Or Extension Telephone - Brother MFC-9840CDW User Manual
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Also See for MFC-9840CDW:
- User manual (263 pages) ,
- Network user's manual (204 pages) ,
- Quick setup manual (53 pages)
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Chapter 7
For Fax/Tel mode only
When the machine is in Fax/Tel mode, it will
use the F/T Ring Time (pseudo/double-
ringing) to alert you to pick up a voice call.
Lift the external telephone's handset, and
then press Tel/R to answer.
If you're at an extension telephone, you will
need to lift the handset during the F/T Ring
Time and then press #51 between the
pseudo/double rings. If no one is on the line,
or if someone wants to send you a fax, send
the call back to the machine by pressing l51.
Connecting an external or
extension telephone
You can connect a separate telephone
directly to your machine as shown in the
diagram below.
1 Extension telephone
2 External telephone
When you are using an external telephone,
the LCD shows Telephone.
54
Using extension telephones (U.K.
7
only)
Your premises may already be wired with
parallel extension telephones (those
connected to sockets in other rooms in the
building), or perhaps you intend to add
extension telephones to your line. While the
simplest arrangement is a parallel
connection, there are some reasons why this
arrangement may cause problems.
The most common problem, is someone
picking up an extension telephone while the
machine is trying to send a fax.
Such problems can easily be eliminated, if
you arrange modification of your extension
wiring circuit, such that extension devices are
connected "downstream" of your machine, in
7
a master/slave configuration (see figure 2 on
page 55). In such a configuration, this
machine can always detect whether a
telephone is in use, so it will not attempt to
seize the line during that time. This is known
1
as "telephone off-hook detection".
The inadvisable configuration is shown in
figure 1, and the recommended master/slave
2
configuration is shown in figure 2.
This new connection configuration can be
arranged by contacting BT, Kingston upon
Hull Telecommunications, your PBX
maintainer or a qualified telephone
installation company as appropriate. Simply
explained, the extension telephone circuit
should be terminated on a normal modular
plug (BT 431A style), which in turn should be
inserted into the modular socket of the white
"T"-shaped connector provided as part of the
line cord assembly.
7
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