Fostex DP-8 User manual
Digital
Audio
Patchbay
Model
DP-8
Owner's
Manual
Fostex
wishes
to
thank
you
for
purchasing
our
Model
DP-8.
The
DP-8
is
a
digital
audio
patchbay
for
interconnecting
eight
inputs
(OPTICAL
IN
x
6,
COAXIAL
INx
2)
and
eight
outputs
(OPTICAL
OUT
x
6,
COAXIAL
0UTx2)
between
digital
audio
equipment.
Individual
INPUT
SELECTORS
are
provided
for
all
outputs,
which
allows
selecting
any
input
signal
routed
to
the
output.
By
using
the
DP-8
between
multiple
units
of
digital
equipment,
complex
connections
can
be
assembled
and
all
inputs
and
outputs
controlled
at
one
location.
Please
read
this
Manual
before
using
the
DP-8.
CAUTION
RISK
OF
ELECTRIC
SHOCK
DO
NOT
OPEN
CAUTION:
TO
REDUCE
THE
RISK
OF
ELECTRIC
SHOCK,
DO
NOT
REMOVE
COVER
(OR
BACK).
NO
USER
•
SERVICEABLE
PARTS
INSIDE.
CAUTION:
TO
PREVENT
ELECTRIC
SHOCK,
MATCH
WIDE
BLADE
OF
PLUG
TO
WIDE
SLOT,
FULLY
INSERT.
ATTENTION:
POUR
EVITER
LES
CHOCS
ELECTRIQUES,
INTRODUCE
LA
LAME
LA
PLUS
LARGE
DE
LA
FICHE
DANS
LA
BORNE
CORRESPONDANTE
DE
LA
PRISE
ET
POUSSER
JUSQU'
AU
FOND.
REFER
SERVICING
TO
QUALIFIED
SERVICE
PERSONNEL.
"WARNING"
•TO
REDUCE
THE
RISK
OF
FIRE
OR
ELECTRIC
SHOCK.
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE."
The
lightning
flash
with
arrowhead
symbol,
within
an
equilateral
triangle,
is
intended
to
alert
the
user
to
the
presence
of
uninsulated
‘dangerous
voltage"
within
the
product's
enclosure
that
may
be
of
sufficient
magnitude
to
constitute
a
risk
of
electric
shock
to
persons.
The
exclamation
point
within
an
equilateral
triangle
is
intended
to
alert
the
user
to
the
presence
of
important
operating
and
maintenance
(servicing)
instructions
in
the
literature
accompanying
the
appliance.
SAFETY
INSTRUCTIONS
1.
Read
Instructions
-
All
the
safety
and
operating
instructions
should
be
read
before
the
appliance
is
operated.
2.
Retain
Instructions
-
The
safety
and
operating
instructions
should
be
retained
for
future
reference.
3.
Heed
Warnings
-
All
warnings
on
the
appliance
and
in
the
operating
instructions
should
be
adhered
to.
4.
Follow
Instructions
-
All
operating
and
use
instructions
should
be
followed.
5.
Water
and
Moisture
■
The
appliance
should
not
be
used
near
water
-
for
example,
near
a
bathtub,
washbowl,
kitchen
sink,
laundry
tub,
in
a
wet
basement,
or
near
a
swimming
pool,
and
the
like.
6.
Carts
and
Stands
*
The
appliance
should
be
used
only
with
a
cart
or
stand
that
is
recommended
by
the
manufacturer.
An
appliance
and
cart
combination
should
be
moved
with
care.
Quick
stops,
excessive
force,
and
uneven
surfaces
may
cause
the
appliance
and
cart
combination
to
overturn.
•
7.
Wall
or
Ceiling
Mounting
-
The
appliance
should
be
mounted
to
a
wall
or
ceiling
only
as
recommended
by
the
manufacturer.
8.
Ventilation
-
The
appliance
should
be
situated
so
that
its
location
or
position
dose
not
interfere
with
its
proper
ventilation.
For
example,
the
appliance
should
not
be
situated
on
a
bed,
sofa,
rug,
or
similar
surface
that
may
block
the
ventilation
openings:
or,
placed
in
a
built-in
installation,
such
as
a
bookcase
or
cabinet
that
may
impede
the
flow
of
air
through
the
ventilation
openings.
9.
Heat
-
The
appliance
should
be
situated
away
from
heat
sources
such
as
radiators,
heat
registers,
stoves,
or
other
appliances
(including
amplifiers)
that
produce
heat.
10.
Power
Sources
•
The
appliance
should
be
connected
to
a
power
supply
only
of
the
type
described
in
the
operating
instructions
or
as
marked
on
the
appliance.
11.
Grounding
or
Polarization
-
The
precautions
that
should
be
taken
so
that
the
grounding
or
polarization
means
of
an
appliance
is
not
defeated.
12.
Power
Cord
Protection
-
Power
supply
cords
should
be
routed
so
that
they
are
not
likely
to
be
walked
on
or
pinched
by
items
placed
upon
or
against
them,
paying
particular
attention
to
cords
at
plugs,
convenience
receptacles,
and
the
point
where
they
exit
from
the
appliance.
13.
Cleaning
•
The
appliance
should
be
cleaned
only
as
recommended
by
the
manufacturer.
14.
Nonuse
Periods
-
The
power
cord
of
the
appliance
should
be
unplugged
from
the
outlet
when
left
unused
for
a
long
period
of
time.
15.
Object
and
Liquid
Entry
•
Care
should
be
taken
so
that
objects
do
not
fall
and
liquids
are
not
spilled
into
the
enclosure
through
openings.
16.
Damage
Requiring
Service
•
The
appliance
should
be
serviced
by
qualified
service
personnel
when:
A.
The
power
supply
cord
or
the
plug
has
been
damaged;
or
B.
Objects
have
fallen,
or
liquid
has
been
spilled
into
the
appliance;
or
C.
The
appliance
has
been
exposed
to
rain;
or
D.
The
appliance
does
not
appear
to
operate
normally
or
exhibits
a
marked
change
in
performance;
or
E.
The
appliance
has
been
dropped,
or
the
enclosure
damaged.
17.
Servicing
-
The
user
should
not
attempt
to
service
the
appliance
beyond
that
described
in
the
operating
instructions.
All
other
servicing
should
be
referred
to
qualified
service
personnel.
1.
Turn
down
all
sound
volume
controls
before
switching
on
power.
3
.
Use
a
Fostex
specified
AC
adaptor.
When
switching
on
or
off
power
to
the
DP-8,
turn
down
the
sound
volume
controls
on
all
external
equipment
connected.
Otherwise,
any
sudden
loud
noise
could
damage
your
hearing
or
the
equipment.
2.
S
witch
off
power
before
connecting
external
equipment
Before
connecting
external
equipment
to
the
DP-8,
be
sure
to
switch
off
all
power
to
the
external
equipment.
Be
sure
to
use
an
AC
adaptor
specified
by
Fostex.
Otherwise,
the
polarity
could
be
different.
--
In
the
drawing
at
left,
the
inner
®
/
\
f
element
is
indicated
as
the
'plus'
'Z
side
and
the
supply
voltage
as
DC
DC_JN
12V.
Function
and
Names
of
the
Controls
and
Connectors
1.
INPUT
SELECTOR
Input
signals
which
are
output
from
each
output
connector
are
selected
(See
below
for
method
in
use).
<Example>
To
output
from
OUTPUT
8
the
signal
input
to
INPUT
5.
Set
the
INPUT
SELECTOR
for
OUT
8
to
"5".
4
5
Z
s
,6
‘Z.-fi
jj\\
-
7
Input
signal
(1~8)
to
be
output
is
If
/
\
]
selected
with
this
knob.
This
indicates
the
connector
name
to
which
the
signal
is
output.
2.
Input
connector
8
[IN
8]
The
OPTICAL
input
connector
on
the
front
panel.
S/P
DIForA-dat
OPTICAL
signals
can
be
input
here
the
same
as
the
rear
panel
OPTICAL
input
connectors
3-7.
3.
O
utput
connector
8
[OUT
8]
The
OPTICAL
output
connector
on
the
front
panel.
S/P
DIF
orA-dat
OPTICAL
signals
will
be
output
here
the
same
as
with
the
rear
panel
OPTICAL
output
connectors
3-7.
4.
P
ower
switch/POWER
LED
[POWER]
The
On/Off
switch
for
the
DP-8.
The
POWER
LED
will
be
lit
when
power
is
switched
on.
Always
switch
this
off
when
connecting
external
equipment
to
the
DP-8.
5.
Input
connector
1,2
[INPUT
1,
2]
The
COAXIAL
input
connectors
to
which
S/P
DIF
signals
can
be
input.
6.
Input
connector
3-7
[INPUT
3-7]
The
OPTICAL
input
connectors
to
which
S/P
DIF
signals
or
A-dat
OPTICAL
signals
can
be
input.
7.
Output
connector
1,
2
[OUTPUT
1,
2]
The
COAXIAL
output
connectors
where
S/P
DIF
signals
selected
by
the
INPUT
SELECTOR
can
be
output.
<NOTE>
Use
this
only
for
output
of
S/P
DIF
signals.
If
A-dat
OPTICAL
signal
is
output
from
this
connector,
operation
of
the
connected
external
equipment
might
be
unstable.
8.
Output
connectors
3-7
[OUTPUT
3-7]
The
OPTICAL
output
connectors
from
which
S/P
DIF
orA-
dat
OPTICAL
signals
selected
be
the
INPUT
SELECTOR
can
be
output.
9.
D
C
IN
connector
[DC
IN
12V]
The
AC
adaptor
included
in
the
DP-8
package
is
connected
here.
ESS
©
®
©
Plug
this
AC
adaptor
cable
into
the
DP-8
DC
IN
connector
and
plug
the
adaptor
into
the
AC
wall
socket.
DC
IN
connector
AC
adaptor
<CAUTION>
If
you
are
not
going
to
use
the
DP-8
for
some
time,
unplug
the
adaptor
from
the
wall
AC
socket.
r
Connecting
Examples
with
External
Equipment
As
shown
in
the
examples
below,
a
maximum
of
eight
external
pieces
of
equipment
can
be
interconnected.
Use
the
INPUT
SELECTOR
provided
for
each
output
to
select
the
desired
input
signal
from
the
output
connectors.
Digital
Equipment
Digital
Equipment
Digital
Equipment
Digital
Equipment
Rear
Panel
lorv
0
m
000
00®
Front
Panel
o
Digital
Equipment
Digital
Equipment
Digital
Equipment
Digital
Equipment
<NOTES>
'
Avoid
output
from
COAXIAL
OUT
(1
and
2)
A-dat
OPTICAL
input
^
signals
because
external
equipment
connected
might
not
work
m
correctly
due
to
irregular
output
waveforms.
P
Equipment
requiring
A-dat
OPTICAL
signals
must
always
be
j
connected
to
OPTICAL
OUT
(3
~
8).
opticai
Protective
cap
OPTICAL
connector
*
Protective
caps
are
attached
to
all
OPTICAL
IN/OUT
connectors
as
shown
at
left.
Remove
this
cap
when
connecting
external
digital
equipment.
Always
insert
this
cap
on
any
connector
not
in
use.
PRECAUTIONS
IN
CASCADE
CONNECTION
Digital
Equipment
A
Digital
Equipment
B
DP-8
(#2)
Cascade
Connection
The
Fostex
DP-8
has
been
designed
for
single
unit
operation.
DP-8
(#1)
I-“H
DP-8
(#2)
Do
not
make
cascade
connections
of
multiple
units
of
DP-8s.
I_L_
Doing
so
could
cause
problems
with
nonval
digital
clock
synchronization
Cascade
Connection
with
any
attached
equipment
because
of
increased
jitter
and
duty
ratio
In
the
connection
diagramed,
correct
clock
synchronization
between
A
as
shown
in
the
diagram
at
right.
and
B
could
be
a
problem.
There
is
also
a
possibility
of
digital
noise
when
transferring
sound.
Internal
Connections
INPUT
1
,
(COAXIAL)
INPUT
2
(COAXIAL)
INPUT
SELECTOR
OUT
1
INPUT
SELECTOR
OUT
2
,
OUTPUT
1
1
(COAXIAL)
//~\\
OUTPUT
2
X^JJ
(COAXIAL)
INPUT
3
(OPTICAL)
INPUT
SELECTOR
OUT
3
OUTPUT
3
(OPTICAL)
INPUT4
(OPTICAL)
INPUT
SELECTOR
OUT
4
OUTPUT4
(OPTICAL)
INPUT
5
(OPTICAL)
INPUT
6
(OPTICAL)
INPUT
7
(OPTICAL)
INPUTS
(OPTICAL)
INPUT
SELECTOR
OUTS
INPUT
SELECTOR
OUT
6
INPUT
SELECTOR
OUT
7
i
INPUT
SELECTOR
I
OUT
8
OUTPUTS
(OPTICAL)
OUTPUT6
(OPTICAL)
OUTPUT7
(OPTICAL)
“"Hi
OUTPUTS
'_|
(OPTICAL)
Specifications
INPUT
(X
8)
<lnput
1,2
(COAXIAL
IN)>
Connector
Input
Impedance
Standard
Input
Level
<lnput
3-8
(OPTICAL
IN)>
Connector
Format
Type
OUTPUT
(X
8)
<Output
1,2
(COAXIAL
OUT)>
Connector
Output
Impedance
Standard
Output
Level
:
RCA
pin
jack
:
75
0
:0.5Vp-p
:
Square
OPTICAL
:
S/P
DIF
(IEC
958
part
3)
and
A-dat
OPTICAL
<0utput
3-8
(OPTICAL
OUT)>
Connector
Format
Type
Sampling
Frequency
Power
Supply
Current
Consumption
Physical
Dimensions
(mm)
Weight
Accessories
:
Square
OPTICAL
:
S/P
DIF
(IEC
958
part
3)
and
A-dat
OPTICAL
:
32kHz
~
48kHz
:
DC12V
(Use
exclusive
AC
adaptor)
:
220mA
:
482
(W)
x
45
(H)x
113
(D)
:
Main
unit
-
Approx.
1.4kg
:
AC
adaptor
-
Approx.
230g
:
AC
adaptorxl,
Owner's
Manual
RCA
pin
jack
75
0
0.5Vp-p
(at
75
O
load)
*
Product
appearance
and
specifications
subject
to
change
without
notice.
*
A-dat
and
the
^MH
^yinbo/
are
registered
trade
marks
of
the
U.
S.Aiesis
Corporation.
Declaration
of
EC
Directive
This
equipment
is
compatible
with
the
EMC
Directive
(89/336/EEC)
*
Directive
on
approximation
of
member
nation's
ordinance
concerning
the
electromagnetic
compatibility
and
with
the
Low
Voltage
Directive
(73/23/EEC)
-
Directive
on
approximation
of
member
nation's
ordinance
concerning
electric
equipment
designed
to
be
used
within
the
specified
voltage
range.
The
Affect
of
Immunity
on
This
Equipment
The
affect
of
the
European
specification
EN50082-1
(coexistence
of
electromagnetic
waves
-
common
Immunity
specification)
on
this
equipment
are
as
shown
below.
*
In
the
electrical
fast
transient
/
burst
requirements,
radiated
electromagnetic
field
requirements
and
static
electricity
discharging
environment,
this
could
be
affected
by
generation
of
noise
and
distortion
in
some
cases.
FOSTEX
DISTRIBUTORS
LIST
IN
EUROPE
'
Including
non
-
EU
countries.
*
underlined:
contracted
distributors
(as
of
November,
1997)
<AUSTRIA>
NAME:
ATKfl
Audio-u.
Videogeraete
VertrlehsgesmbH.
ADD:
Im
Winkel
5,
A-2325
Velm,
Austria
TEL:
(+43)
2234-74004,
FAX:
(+43)
2234-74074
<tTALY>
NAME:
Recoton
Italia
Sri.
ADD:V.
1
Magglo,
N
18,
40050
Quarto
Inferiore,
(BO)
Italy
TEL
(+39)
51-768576,
FAX:
(+39)
51-768336
<BELG1UM>
NAME:
EMLN.
V.
ADD:
Bijvennestraat
1A,
B3500
Hasselt,
Belgium
TEL:
(+32)
11-232355,
FAX:
(+32)
11-232172
<THE
NETHERLANDS>
NAMF-
IFMKF
RODS
AUDIO
B.
V.
ADD:
Kuiperbergweg
20,1101
AG
Amsterdam.
The
Netherlands
TEL
(+31)
20-697-2121,
FAX:
(+31)
20-697-4201
<DENMARK>
NAME-
SC
Sound
ApS
ADD:
Malcrvcj
2,
DK-2630
Taastrup,
Denmark
TEL:
(+45)
4399-8877,
FAX:
(+45)
4399-8077
<NORWAY>
NAME:
Slv.
Ing.
Benum
A/S
ADD:
P.
O.
Box
145
Vlnderen,
0319
Oslo
3,
Norway
TEL
(+47)
22-139900,
FAX:
(+47)
22-148259
<FINLAND>
NAME:
Noretron
Audio
ADD:
Tonttumuorinkuja
4,
FIN-02200
Espoo,
Finland
TEL
(+358)
0-5259330,
FAX:
(+358)
0-52593352
<PORTUGAL>
NAME:
Caius
-
Tecnoiogias
Audio
e
Musica.
Lda.
ADD:
Rua
de
Santa
Catarina,
131
4000
Porto,
Portugal
TEL
(+351)
2-2084456/325400,
FAX:
(+351)
2-314760
<FRANCE>
NAME-
Musikensro
ADD:
ZAC
de
Folliouses,
B.
P.
609,01706
Les
Echets,
France
TEL
(+33)
72
26
27
00,
FAX:
(+33)
72
26
27
01
<SPAIN>
NAME:
Multitracker.
S.
A.
ADD:
C/Garcilaso
No.9,
Madrid
28010,
Spain
TEL
(+34)
1-4470700,
1-4470898,
FAX:
(+34)
1-5930716
<GERMANY>
name-
Sfnriimmtntl
ft
Music
GmbH
ADD:
Scheppe
Gewissegasse
8,
D-35039
Marburg,
Germany
TEL
(+49)
6421-12071,
FAX:
(+49)
6421-15522
<SWEDEN>
NAME:
TTS
Tal
ft
Ton
Studioreknlk
AB
ADD:
Gelbgjutarevagen
4,
S-171
48
Solna,
Sweden
TEL
(+46)
8-7340750,
FAX:
(+46)
8-824476
<GREECE>
NAME:
Bon
Studio
S.
A.
ADD:
6
Zalmi
Street,
Exarchla,
106.83
Athens,
Greece
TEL
(+30)
1-3809605-8,
3302059,
FAX:
(+30)
1-3845755
SWITZERLAND*
NAME:
Audio
Bauer
Pro
AG
ADD:
Bemerstrasse-Nord
182,
CH-8064
Zurich,
Switzerland
TEL
(+41)
1-4323230,
FAX:
(+41)
1-4326558
<ICELAND>
NAME:
I.
D.
elrf.
electronic
Ltd.
ADD:
Amuia
38
108
Reykjavik,
Iceland
TEL
(+354)
588
5010,
FAX:
(+354)
588
5011
<UK>
NAME:
SCV
London
ADD:
3A
6-24
Southgate
Road,
London
N1
3JJ,
England,
UK
TEL
(+44)
171-923-1892,
FAX:
(+44)
171-241-3644
FOSTEX
CORPORATION
3-2-35
Musashino,
Akishima-shl,
Tokyo.
Japan
196-0021
FOSTEX
CORPORATION
OF
AMERICA
15431,
Blackburn
Ave..
Norwalk,
CA
90650,
U.
S.
A.
postex
©PRINTED
IN
JAPAN
JUNE
1998
8288
416000
FX
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