DS2155LN

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DS2155LN Application Field and Working Principle

The DS2155LN is a powerful telecommunications interface circuit designed for a variety of applications in the telecom industry. It supports external interfaces, ranging from high-speed serial data ports, ISDN BRI ports, EIA-232/V.24/EIA-530 serial data ports, and a telephone switching device (TSD) port, which is used to provide access to the signaling network. The DS2155LN also provides an easy-to-install, scalable, and flexible platform for designers to develop telecom-related applications such as frequency multiplexing, voice switch-controlled access control, VoIP, and analog telephony.

The DS2155LN supports applications that require information exchange between the network and a variety of user devices. It offers a wide range of signaling services and protocols, including: AT commands, SS7, fax, modem, ISUP, SIP, DNS, DHCP, CDP, PPP, T1/E1, RTP, MPLS, HDLC, BC/BSLAM, DTMF, FTP, H.323, and more. The integrated VoIP port simplifies the design and installation of IP-based telecom applications.

The DS2155LN is built around a highly integrated communications processor, the Intel IXP425. This processor contains the necessary hardware components to implement a reliable and scalable communications platform. The IXP425 also supports a wide range of CPU options, such as the ARM9, PowerPC, and MIPS architecture. The IXP425 utilizes an advanced system architecture that provides support for up to eight simultaneous voice/data channels.

The DS2155LN provides an integrated telecom switch, which provides a number of options to the designer. The switch supports various switching algorithms, including time division multiplexing (TDM), circuit-switched, packet-switched, and hybrid switching schemes. The switch provides the necessary control logic to route call requests to an appropriate destination. The integrated telecom switch provides full-duplex operation with up to 30 simultaneous channels.

The DS2155LN also includes an on-chip high-speed data transceiver. This transceiver provides an interface between the external world and the internal communications processor. The transceiver handles the low-level signaling protocols required for telecom applications, such as ISDN, PDH, and SONET. The transceiver also supports VoIP and voice over IP (VoIP) protocols for voice applications.

The enterprise-class hardware platform that powers the DS2155LN is designed to meet the requirements of the telecom industry. The DS2155LN provides enhanced system monitoring and management capabilities. This includes an on-board web server, SNMP, and Web based management. All of these features assist in providing users with a reliable and scalable communications platform.

The DS2155LN is an effective, cost-effective interface circuit for telecom applications. It supports a wide range of external interfaces, ranging from high-speed serial data ports, ISDN BRI ports, EIA-232/v.24/EIA-530 serial data ports, and a telephone switching device (TSD) port. The integrated telecom switch enables users to configure the necessary call routing logic, while the integrated VoIP port simplifies the design and installation of IP-based telecom applications. The enterprise-class hardware platform providing enhanced system monitoring and management capabilities will prove beneficial to many telecom applications.

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