Siemens EWSD S30810-Q1431-X1 SLMDQFB Subscriber Line Module Digital Card
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Siemens EWSD S30810-Q1431-X1 SLMDQFB Subscriber Line Module Digital Card

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S30810-Q1431-X1-7/03
Description

The Siemens S30810-Q1431-X1 (SLMDQFB) is a high-density subscriber line module designed for the Siemens EWSD (Electronic Worldwide Switch Digital) telecommunications system. This board functions as the primary interface for ISDN Basic Access (BA) lines, enabling the connection of digital subscriber equipment to the switching core. It is responsible for managing the U-interface, providing bi-directional transmission of voice and data signals over standard twisted-pair copper wires using advanced line coding techniques such as 2B1Q or 4B3T.The module features Quad Frame Buffer (QFB) technology, which optimizes the buffering and synchronization of the two 64 kbps B-channels and one 16 kbps D-channel per subscriber. Key functional capabilities include integrated echo cancellation, line equalization, and remote power feeding for Network Terminations (NT). The S30810-Q1431-X1 supports comprehensive maintenance and diagnostic routines, including metallic line testing, remote loopbacks, and continuous monitoring of bit error rates (BER). Built to carrier-grade standards, the SLMDQFB ensures high reliability and signal stability in dense central office environments, supporting the delivery of integrated digital services with low latency and high electromagnetic compatibility.

Features
Equipment Type:
Line Card
Equipment Type:
Brand:
SIEMENS
Original product:
Delivery period:
Price not specified