722 User Guide and Technical Information
68
v. 2.67
Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Connector Pin Assignments
Each connector type, electrical characteristics, and pin assignment is shown below.
Connector
Pin Assignments
Notes
XLR
(Analog Inputs)
1 – ground
2 – signal (+)
3 – signal (-)
7.5k ohm input impedance, mic level
20k ohm input impedance, line level
active-balanced
XLR
(AES Inputs)
1 – ground
2 – signal (+)
3 – signal (–)
transformer-balanced, for use 110 ohm twisted-pair cabling,
AES3 specification
TA3M
Master Output Bus
1 – ground
2 – signal (+)
3 – signal (–)
120 ohm output impedance, active balanced.
For unbalanced connection, pin-1 ground, pin-2 hot, pin-3 not
connected. Mates with Switchcraft TA3F-type connector.
3 .5 mm
Master Output Bus
tip – signal L
ring – signal R
sleeve – signal ground
Master Output Bus signal in an unbalanced, consumer-elec-
tronic level.
3 .5 mm
Headphone
tip – signal L
ring – signal R
sleeve – signal ground
mates with 3.5 mm TRS jack.
AES3id (S/PDIF) Input
center pin – signal
sleeve – ground
BNC female, unbalanced, coaxial connection, 75 ohm connec-
tors recommended
AES3id (S/PDIF) Output
center pin – signal
sleeve – ground
BNC female, unbalanced, coaxial connection, 75 ohm connec-
tors recommended
Word Clock Input and Output
center pin – signal
sleeve – ground
BNC female, unbalanced, coaxial connection, 75 ohm connec-
tors recommended
FireWire (-1394)
6-pin cabling
6-pin male FireWire cable, provides bus power at 12 volts when
the unit is powered from external DC sources.
C . Link In / Out
1 – +3.3 V
2 – Tx (output)
3 – ground
4 – Rx (input)
5 – WC in
6 – TC in
Not a telephone jack!
Hirose 4-pin
DC Input
1 – ground
2 – ground, same as pin-1
3 – DC (+) charge
4 – DC (+) operate
