Table of Contents
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Standalone Mode
In standalone mode (when USD is not con-
nected to Pro Tools), no computer or serial
connection is required except for
USD Setup and firmware updating. The
USD Setup software (included) can be used
to control the USD and to update its firm-
ware, through a serial connection to a com-
patible Macintosh or Windows computer
as explained in "USD Setup" on page 9.
Connecting USD to
Pro Tools
The USD must be connected to Pro Tools as
the clock master.
To connect the USD to a compatible
Digidesign audio interface:
Connect the Super Clock Out of the USD
1
to the Super Clock In (or Slave Clock In) of
your master Digidesign audio interface.
to DigiSerial Port
IN
BI-PHASE / TACH / GPI
OUT
PC SERIAL
VIDEO REF
MAC SERIAL
VIDEO
MTC OUT
7
5
3
1
7
5
ANALOG OUTPUT
ANALOG INPUT
8
6
4
2
8
6
SuperClock (Slave Clock) connection from the USD to
a single Pro Tools audio interface
10
Universal Slave Driver
Super Clock Out
L
A
IN
IN
L
A
T
E
T
E
C
S
9-PIN IN / ACC
C
S
O
O
I
I
OUT
OUT
U
U
N
N
T
T
WORD CLOCK
9-PIN OUT
SUPER CLOCK (256X)
Computer 1
Computer 2
3
1
5/6
1/2
5/6
1/2
AES/EBU OUTPUT
AES/EBU INPUT
4
2
7/8
3/4
7/8
3/4
8 CH Mode
2 x 4 CH Mode
S/PDIF
S/PDIF
IN
OUT
If using more than one interface, connect
2
the Slave Clock output of your primary in-
terface to the Slave Clock input of the sec-
ond interface, and so on for each
additional Interface (but do not loop Slave
Clock from the last interface back to USD).
to DigiSerial Port
BI-PHASE / TACH / GPI
PC SERIAL
VIDEO REF
MAC SERIAL
7
5
3
1
ANALOG OUTPUT
8
6
4
2
7
5
3
1
ANALOG OUTPUT
8
6
4
2
7
5
3
1
ANALOG OUTPUT
8
6
4
2
Super Clock (Slave Clock) "chain" connection from
the USD to multiple 888 24 I/O Audio Interfaces
Connecting AC Power
The USD AC connector accepts an IEC
Standard AC Power Cable. The USD is auto
power-selecting (100V to 240V) and will
automatically work with a standard modu-
85-264VAC, 47-63HZ, 115 W
lar cable to connect to AC power recepta-
cles in any country.
SLAVE CLOCK
SLAVE CLOCK
IN
OUT
To connect AC power to the USD:
Plug one end of a power cable into the
USD AC connector, and plug the other end
into a wall outlet or other power source.
Super Clock Out
IN
L
A
IN
L
A
T
E
T
E
C
S
C
S
O
O
OUT
I
I
U
U
OUT
N
N
T
T
VIDEO
MTC OUT
WORD CLOCK
7
5
3
1
5/6
1/2
5/6
1/2
ANALOG INPUT
AES/EBU OUTPUT
AES/EBU INPUT
8
6
4
2
7/8
3/4
7/8
3/4
7
5
3
1
5/6
1/2
5/6
1/2
ANALOG INPUT
AES/EBU OUTPUT
AES/EBU INPUT
8
6
4
2
7/8
3/4
7/8
3/4
7
5
3
1
5/6
1/2
5/6
1/2
ANALOG INPUT
AES/EBU OUTPUT
AES/EBU INPUT
8
6
4
2
7/8
3/4
7/8
3/4
85-264VAC, 47-63HZ, 115 W
IN
9-PIN IN / ACC
OUT
9-PIN OUT
SUPER CLOCK (256X)
Computer 1
Computer 2
8 CH Mode
2 x 4 CH Mode
S/PDIF
S/PDIF
SLAVE CLOCK
SLAVE CLOCK
IN
OUT
IN
OUT
Computer 1
Computer 2
8 CH Mode
2 x 4 CH Mode
S/PDIF
S/PDIF
SLAVE CLOCK
SLAVE CLOCK
IN
OUT
IN
OUT
Computer 1
Computer 2
8 CH Mode
2 x 4 CH Mode
S/PDIF
S/PDIF
SLAVE CLOCK
SLAVE CLOCK
IN
OUT
IN
OUT
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