Brother International DCP-1400 Service Manual - Page 186

WSW13

(Modem

setting)

Selector

No.

Function

Setting

and

Specifications

1

2

Cable

equalizer

No.

1

0

0

1

1

2

0

1

0

1

:

:

:

:

0

km

1.8

km

3.6

km

5.6

km

3

4

Reception

level

No.

3

0

0

1

1

4

0

1

0

1

:

:

:

:

-43

dBm

-47

dBm

-49

dBm

-51

dBm

5

I

8

Modem

attenuator

0:

0:

0:

0:

0

dB

0

dB

0

dB

0

dB

1:

1:

1:

1:

8

dB

4

dB

2

dB

1

dB

The

modem

should

be

adjusted

according

to

the

user's

line

conditions.

•

Selectors

1

and

2:

Cable

equalizer

These

selectors

are

used

to

improve

the

pass

-band

characteristics

of

analogue

signals

on

a

line.

(Attenuation

in

the

high

-band

frequency

is

greater

than

in

the

low

-band

frequency.)

Set

these

selectors

according

to

the

distance

from

the

telephone

switchboard

to

the

machine.

•

Selectors

3

and

4:

Reception

level

These

selectors

set

the

optimum

receive

signal

level.

•

Selectors

5

through

8:

Modem

attenuator

These

selectors

are

used

to

adjust

the

transmitting

level

of

the

modem

when

the

reception

level

at

the

remote

station

is

improper

due

to

line

loss.

This

function

applies

to

G3

protocol

signals.

Setting

two

or

more

selectors

to

"1"

produces

addition

of

attenuation

assigned

to

each

selector.

This

setting

will

be

limited

if

selector

8

of

WSW23

is

set

to

"0."

17

Brother International DCP-1400 Service Manual - Page 186

WSW13, Modem, setting, Selectors, Cable, equalizer, Reception, level, through, Modem, attenuator

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