Panasonic 744T Connector Pin Assignments

Specifications

Connector Pin Assignments

Each connector type, electrical characteristics, and pin assignment is shown below.

Connector	Pin Assignments		Notes
XLR	1	– ground	4000 ohm input impedance, mic level
(Analog Inputs)	2	– signal (+)	20k ohm input impedance, line level
	3	– signal (-)	active-balanced
XLR	1	– ground	transformer-balanced, for use 110 ohm twisted-pair
(AES Inputs)	2	– signal (+)	cabling, AES3 specification
	3	– signal (-)
TA3M	1	– ground	20k ohm input impedance, line level
Inputs	2	– signal (+)	active-balanced. Mates with Switchcraft TA3F-type con-
	3	– signal (-)	nector.
TA3M	1	– ground	120 ohm output impedance, active balanced.
Master Output Bus	2	– signal (+)	For unbalanced connection, pin-1 ground, pin-2 hot,
	3	– signal (-)	pin-3 not connected. Mates with Switchcraft TA3F-type
			connector.
3.5 mm	tip – signal L		Master Output Bus signal in an unbalanced, consumer-
Master Output Bus	ring – signal R		electronic level.
	sleeve – signal ground

3.5 mm	tip – signal L
Headphone	ring – signal R
	sleeve – signal ground

mates with 3.5 mm TRS jack.

5-pin LEMO	1	– ground	LEMO B-series connector
Time code	2	– SMPTE In
	3	– ASCII in/out
	4	– tuning out
	5	– time code out
AES3id (S/PDIF) Inputs	center pin – signal		BNC female, unbalanced, coaxial connection, 75 ohm
	sleeve – ground		connectors recommended
AES3id (S/PDIF) Outputs	center pin – signal		BNC female, unbalanced, coaxial connection, 75 ohm
	sleeve – ground		connectors recommended
Word Clock Input and	center pin – signal		BNC female, unbalanced, coaxial connection, 75 ohm
Output	sleeve – ground		connectors recommended
FireWire (-1394)	center pin – signal		6-pin male FireWire cable
	sleeve – ground
C. Link In / Out	1	– +3.3 V	Not a telephone jack!
	2	– Tx (output)
	3	– ground
	4	– Rx (input)
	5	– WC in
	6	– TC in
Hirose 4-pin	1	– ground
DC Input	2	– ground, same as pin-1
	3	– DC (+) charge
	4	– DC (+) operate

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