Siemens EWSD S30810-Q1431-X1 M:SLMD:QFB Subscriber Line Module Digital Card
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Siemens EWSD S30810-Q1431-X1 M:SLMD:QFB Subscriber Line Module Digital Card

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S30810-Q1431-X1-6/03
Description

The Siemens S30810-Q1431-X1, designated as M:SLMD:QFB (Subscriber Line Module Digital), is a specialized interface board designed for the Siemens EWSD (Electronic Worldwide Switch Digital) switching system. This module serves as a digital subscriber line interface, primarily used to connect ISDN (Integrated Services Digital Network) basic access lines to the digital exchange. It is responsible for the transmission and reception of voice and data signals over the subscriber loop, providing the necessary B-channel and D-channel processing for standard digital telephony services.The SLMD:QFB module incorporates advanced QFB (Quad Frame Buffer) technology to manage high-density signal buffering and timing alignment across multiple subscriber channels. It handles critical functions such as echo cancellation, line coding/decoding (e.g., 2B1Q or 4B3T), and power feeding for the connected Network Terminations (NT). The board features integrated diagnostic capabilities for line testing, including loopback functions and monitoring of the S0/U interface status. Engineered for carrier-grade reliability, the S30810-Q1431-X1 ensures high signal integrity and low bit-error rates, supporting stable performance in high-density central office environments and facilitating the delivery of advanced digital communication services to end-users.

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