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Does a Tableau bridge provide FireWire/1394 Bus Power?

April 26, 2017bridge bus FireWire power Tableau

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Does a Tableau bridge provide FireWire/1394 Bus Power?

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Yes and no. The Tableau T3/T3u/T4/T5/T10 bridges feed FireWire (1394) bus power from +12VDC. Tableau bridges incorporate a 1-1.5A current limit and a protection diode to ensure that current flows only from the Tableau bridge’s +12VDC supply to the FireWire bus power signal. The Tableau T14 and T15 bridges do not provide FireWire (1394) bus power. All Tableau bridges with more than one FireWire (1394) connector (that includes the T3/T3u/T4/T5/T10/T14/T15) repeat FireWire bus power. That is, if FireWire bus power is present on one of the Tableau bridge’s FireWire800 or FireWire400 ports, that power will be repeated to the other FireWire800 and FireWire400 ports on the Tableau bridge.