LE9520SDDTC

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LE9520SDDTC is a telecom interface which supports up to ten T1/E1 and up to four HDSL lines for remote access to PSTN, Frame Relay and other network services. It enables the smooth integration of local area networking technologies with the optimal combination of voice, data and other remote access services.

Application Field

The LE9520SDDTC has applications in multiple industries, including wireless network backhaul, wireline access networks, cellular radio networks and industrial automation. It can be used to provide data connectivity between antenna and base station controllers, connecting multiple remote sites via leased lines and providing signal monitoring and interconnection of remote system elements over existing PSTN Links.

The LE9520SDDTC can also be applied in voice processing, data management, enforcement and monitoring and business continuity. It supports real-time redundancy for secure and reliable operations, real-time information exchange and management of network resources, monitoring of network and system performance, secure access for remote users, guaranteed quality of service and secure data transfer.

Working Principle

The LE9520SDDTC is based on TDM technology, working with a two or four wire analog or ISDN connection. It provides two or four T1/E1 ports, eight HDSL ports and two Ethernet ports. Ethernet ports enable the transfer of data to and from the Ethernet network while T1/E1 and HDSL ports enable the transfer of data to and from the PSTN.

The LE9520SDDTC works in connection mode and accepts commands from the user to perform its tasks such as call connections, call transfer, call waiting and call forwarding. It also supports a variety of data protocols such as PPP, ML-PPP, LAP-B and HDLC. The LE9520SDDTC supports different types of alarm messages for easy fault detection and recovery. It also has inbuilt components for DTMF generation and conversion, PCM sample rate conversion, port interface communication and line access control.

Conclusion

The LE9520SDDTC is a telecom interface that provides multiple ports for voice and data communication. It supports multiple data protocols, real-time redundancy and remote user access. It is used in various industries for data connectivity, voice processing and other services. By leveraging TDM technology, it is able to provide reliable communications across multiple networks and devices.

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