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Product category: PCB Connectors
News Release from: Harting | Subject: Har-bus 64S
Edited by the Electronicstalk Editorial Team on 11 April 2005

Connector keeps VME64x backplanes in
order

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The new Har-bus 64S from Harting is a passive mechanical switching connector for use in VME64x bus systems.

The new Har-bus 64S from Harting is a passive mechanical switching connector for use in VME64x bus systems The 5-row, 160-way connector offers automatic daisychain functionality, with the mechanical switching elements guaranteeing the reliable switching of the daisychain without contact losses

The switching elements close the daisychain when no daughtercard is inserted, eliminating the need for active components or jumpers on VME64x backplanes.

Five pairs of switching contacts - in positions a21-a22, b4-b5, b6-b7, b8-b9 and b10-b11 - short-circuit the VME interrupt lines when the daughtercard is removed, preserving the integrity of the entire system.

The new connector is an addition to Harting's Har-bus connector range, and is fully compatible with Har-bus 64 daughtercard connectors.

It also offers full backward compatibility with existing standard VME systems based on 3-row Type C daughtercard connectors on a 2.54mm in according to DIN41612.

The Har-bus 64S connector uses the same PCB layout and hole configuration as existing Har-bus 64 connectors, and is pressed in with the same "flat rock" press-in tools.

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