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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