744T User Guide and Technical Information

Right Panel Connectors and Controls

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1)Time Code Multi-Pin

Time code input and output on 5-pin LEMO® connector.

2)AES3id Inputs 1/2 and 3/4

Unbalanced digital inputs accept four channels of either AES3 or S/PDIF on BNC connectors.

6)Word Clock Input and Out

Provides clock input and output for the 744T. Word input accepts sample rates between 32 kHz and 192 kHz. Word clock out is rate that box is running. There is no sample rate conversion utility in the 744T.

3)FireWire (IEEE-1394) Port

Connection to a computer for access the internal hard drive and Compact Flash volumes as mass storage devices. Direct connection to Mac OS (X-only) and Windows (XP- and 2000-only) computers.

4)C. Link In/Out

RS-232 protocol interface on 6-pin modular (“RJ-12”) connector for linking multiple 744T’s together. Word clock, machine transport, and time code are carried on C. Link connector.

5)External DC In

Accepts sources of 10–18 volts DC for unit powering and removable Li-on battery charging. The Hirose 4-pin connector is wired pin-1 negative (−), pin-4 positive (+). Pin-2 (−) and pin-3 (+) are used to charge the removable Li-on bat- tery. DC ground is at the same potential as chassis and signal ground.

7)AES3id Master Output Bus

Unbalanced digital output, two-channel, for the Master Output Bus. Signal source is menu-selected and is identical to the Analog Master Output Bus signal.

8)AES3id Output Bus 2

Unbalanced digital output, two-channel, for Output Bus 2. Signal source is menu- selected.

9)Multi-Function Controller

When in the setup menu, the controller scrolls between menu selections; push enters selection or enters data. In record and playback modes, selects headphone monitor source; pus-h action user select- able.

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firmware v. 1.04 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.