High Resolution Digital Audio Recorder with Time Code User Guide 744T

Specifi cations
53
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 (-)
4000 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
Inputs
1 – ground
2 – signal (+)
3 – signal (-)
20k ohm input impedance, line level
active-balanced. Mates with Switchcraft TA3F-type con-
nector.
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-
electronic level.
3.5 mm
Headphone
tip – signal L
ring – signal R
sleeve – signal ground
mates with 3.5 mm TRS jack.
5-pin LEMO
Time code
1 – ground
2 – SMPTE In
3 – ASCII in/out
4 – tuning out
5 – time code out
LEMO B-series connector
AES3id (S/PDIF) Inputs
center pin – signal
sleeve – ground
BNC female, unbalanced, coaxial connection, 75 ohm
connectors recommended
AES3id (S/PDIF) Outputs
center pin – signal
sleeve – ground
BNC female, unbalanced, coaxial connection, 75 ohm
connectors recommended
Word Clock Input and
Output
center pin – signal
sleeve – ground
BNC female, unbalanced, coaxial connection, 75 ohm
connectors recommended
FireWire (-1394)
center pin – signal
sleeve – ground
6-pin male FireWire cable
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