Brother MFC-J625DW User's Guide download pdf (Page 48)

Chapter 6

40

Operation from external and

extension telephones 6

If you answer a fax call on an extension or an

external telephone, you can make your

machine take the call by using the Remote

Activation Code. When you press the Remote

Activation Code l 51, the machine starts to

receive the fax.

If the machine answers a voice call and fast

double-rings for you to take over, use the

Remote Deactivation Code #51 to take the

call at an extension telephone. (See F/T Ring

Time (Fax/Tel mode only) uu page 34.)

If you answer a call and no one is on

the line:

6

You should assume that you're receiving a

manual fax.

Press l 51 and wait for the chirp or until the

LCD shows Receiving, and then hang up.

Note

You can also use the Fax Detect feature to

make your machine automatically take the

call. (See Fax Detect uu page 35.)

Using extension telephones

(U.K. only) 6

Your premises may already be wired with

parallel extension telephones, or you may

plan to add extension telephones to your line,

as well as your machine. While the simplest

arrangement is a straightforward parallel

connection, there are some problems with

this arrangement, the most obvious of which

is inadvertent interruption of a facsimile

transmission caused by someone picking up

an extension telephone to make an outgoing

call. Also, remote activation code may not

operate reliably in such a simple

configuration.

This machine may also be set to make a

delayed transmission (i.e. a transmission at a

pre-set time). This pre-set job may coincide

with someone picking up an extension

handset.

These 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

a master/slave configuration (see fig. 2). In

this configuration the machine can always

detect whether a telephone is in use. Thus it

will not attempt to seize the line during that

time. This is known as “telephone off-hook

detection.”

The inadvisable configuration is shown in

figure 1, and the recommended master/slave

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

put into the modular socket of the white “T”-

shaped connector provided as part of the line

cord assembly.

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