Quick reference: 828x rear panel, Quick ref e re nc e: 828x rear p a nel – MOTU 828x 28x30 Audio Interface with ThunderTechnology User Manual
Page 8
Quick Ref
e
re
nc
e:
828x Rear P
a
nel
1
1.
Th
e 828x is equipped with an aut
o-swit
ching in
te
rna-
tional po
w
er supply
.
2.
Th
ese ar
e standar
d BNC w
or
d clock jacks
. U
se them for a
va
riet
y of applica
tions
, such as for digital tr
ansfers with
devic
es tha
t cannot sla
ve t
o the clock supplied b
y their
digital I/O c
onnec
tion with the 828x.
3.
Th
ese jacks pr
ovide st
er
eo
, 24-bit S/PDIF digital input
and output a
t all suppor
ted sample r
at
es (up t
o 96 kHz).
4.
Co
nnec
t a MIDI de
vic
e her
e using standar
d MIDI cables.
Co
nnec
t the 828x
’s MIDI OUT por
t t
o the MIDI IN por
t on
the other de
vic
e.
C
on
versely
, c
onnec
t the 828x
’s MIDI IN
por
t t
o the MIDI OUT por
t on the other de
vic
e.
Yo
u can
co
nnec
t differ
en
t devic
es t
o each por
t, such as a c
on
tr
ol-
ler devic
e t
o the IN por
t and a sound module t
o the OUT
por
t.
Yo
u can also daisy-chain MIDI de
vic
es
, but be sur
e
to
manage their MIDI channels (so tha
t they don
’t
re
ce
iv
e or tr
ansmit on the same channel).
5.
Th
ese optical digital I/O c
onnec
tors can be c
onnec
ted
either t
o an ADA
T-c
ompa
tible
“ligh
tpipe
” devic
e (such as
a digital mix
er) or t
o a S/PDIF optical (“
TO
SLink”)
co
mpa
tible de
vic
e,
such as an eff
ec
ts pr
oc
essor or DA
T
machine
. B
e sur
e t
o set the forma
t in the MO
TU A
udio
Setup soft
w
ar
e (or using the fr
on
t panel L
CD).
(S
ee
T
optical supplies eigh
t channels of 24-bit digital I/O per
bank (4 channels per bank a
t 96kHz).
TO
SLink is st
er
eo a
t
sample r
at
es up t
o 96 kHz.
One special not
e:
y
ou can choose independen
t forma
ts
for each bank,
A and B
, as w
ell as IN and OUT within each
bank.
F
or e
xample
, y
ou c
ould choose ADA
T for the optical
A IN (for
, sa
y, eigh
t channels of input fr
om y
our digital
mix
er) and st
er
eo
TO
SLink for the optical A OUT (for
, sa
y,
yo
ur DA
T machine).
6.
Eq
uipped with 24-bit 192 kHz c
on
ver
te
rs
, these 8 analog
inputs ar
e balanc
ed
TRS (tip/ring/sleev
e) quar
te
r-inch
co
nnec
tors tha
t can also acc
ept an unbalanc
ed plug
.
Th
ey do not ha
ve
micr
ophone pr
eamps
, so they ar
e best
used for syn
thesiz
ers
, drum machines
, effec
ts pr
oc
es-
sors
, and other instr
umen
ts with line le
ve
l signals (either
-10 dB or +4 dB).
T
hese inputs ar
e also equipped with
the 828x
’s P
recision Digital
Tr
im™ fea
tur
e:
digitally
co
nt
rolled analog tr
ims tha
t let y
ou adjust input le
ve
l in
appr
ox
ima
tely 1 dB incr
emen
ts fr
om either fr
on
t panel
LC
D or the included C
ueMix FX soft
w
ar
e.
T
he trim can be
adjust
ed o
ver a r
ange of -96 t
o +22 dB
.
7.
Th
e 828x
’s eigh
t analog outputs ar
e balanc
ed +4dB
TRS
(tip/ring/sleev
e) quar
te
r-inch c
onnec
tors tha
t can also
acc
ept an unbalanc
ed plug
. T
hey ar
e equipped with
24-bit 192 kHz c
on
ver
te
rs.
8.
Th
ese ar
e quar
te
r-inch analog SMPTE input and output
jacks.
U
se them t
o r
esolv
e the 828x dir
ec
tly t
o time c
ode
and tr
ansmit time c
ode t
o other de
vic
es.
9.
Th
ese t
w
o XLR jacks ser
ve as the 828x
’s main outputs
.
Yo
u can c
onnec
t them t
o a set of po
w
er
ed studio
monit
ors and then c
on
tr
ol the v
olume fr
om the fr
on
t
panel MAIN
VO
L knob
.
To
hear audio pla
yback fr
om y
our host audio soft
w
ar
e on
these main outs
, assign the audio tr
acks (and mast
er
fader) t
o these main outs
. Y
ou can also use C
ueMix FX t
o
monit
or liv
e 828x inputs her
e as w
ell.
10.
Th
ese t
w
o quar
te
r-inch balanc
ed
TRS send outputs
supply the pr
e amplified input signal fr
om the mic/
guitar/instr
umen
t inputs on the fr
on
t panel.
U
se them t
o
inser
t y
our fa
vo
rit
e c
ompr
essor
, EQ,
re
ve
rb or other
outboar
d effec
t. U
se an
y
TRS input as a r
eturn.
11.
Co
nnec
t a standar
d foot swit
ch her
e for hands-fr
ee
punch-in and punch-out dur
about ho
w t
o set this up
, see “Enable P
12.
Co
nnec
t the 828x t
o the c
omput
er her
e via either
Th
underbolt or USB 2.0,
using a standar
d
Th
underbolt or
USB cable
. If y
ou use
Th
underbolt
, y
ou can daisy-chain
up t
o six
Th
underbolt de
vic
es t
ogether
, with the 828x a
t
the end of the chain (because it has one
por
t).
F
or details
, see “
2
3
4
5
11
6
7
8
9
10
12