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Low-profile subscriber interface suits vDSL systems

Posted: 02 Jul 2007 ?? ?Print Version ?Bookmark and Share

Keywords:vDSL cable connectors? PCB connectors? aDSL? vDSL?

Dual-metal PV power contacts

FCI has developed a low-profile subscriber interface for very-high-bit-rate digital subscriber loop (vDSL) applications. The Low-Profile Subscriber I/O System is a fully developed line of cable connectors, PCB connectors and cable assemblies that support the connection of signals and power for DSL subscriber accounts. The system uses separate power and signal connectors and cables to conserve space in three dimensions while providing the optimal electrical and mechanical performance required for this special vDSL application, but is also suitable for aDSL access networks and wireless base stations.

"The compact mechanical design conserves PCB real estate and fits perfectly into systems with daughter cards arranged on 20mm card slot pitch, making the Low Profile Subscriber I/O System ideal for space-constrained applications," said Francis Lo, business development manager, FCI Asia Pacific.

The dual-row signal connectors have 24 contacts on 2mm pitch, so the PCB header uses minimal real estate (16-by-33-by-13mmhigh). Custom pin assignments are available to achieve very low cross-talk performance of The power connectors have two contacts on 2.54mm pitch and the PCB header measures 20-by-14-by-13mm high. The cable connector design employs two additional first-mate/last-break (FMLB) sacrificial contacts to prevent arcing to the primary power contacts while enabling "hot" mating.

Dual-metal PV power contacts and dual-beam signal contacts provide durable and reliable electrical connections. Polarized connector designs prevent mis-mating during connector engagement, and integral screw hardware fastens connectors together to prevent accidental un-mating.

The RoHS-compatible interface is available in component kits or as custom cable assemblies.

Production lead-times for the Low-Profile Subscriber I/O System are 6 weeks.

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