DS21448LN+

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Line Interface Unit (LIU)
Interface:	--
Number of Circuits:	4
Voltage - Supply:	3.135 V ~ 3.465 V
Current - Supply:	320mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	128-LQFP
Supplier Device Package:	128-LQFP (14x20)
Includes:	--
Base Part Number:	DS21448

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DS21448LN+ Application Field and Working PrincipleThe DS21448LN+ is a low-power, quad-channel multi-rate RSDS/HDB3 line interface for digital access applications. It is an integrated line adapter (ILA) with optimized G.703 and HDB3 capabilities. It is suitable for many applications, including voice and data communication in digital access systems, cellular-telephone systems, and the communication network. The DS21448LN+ is based on the latest generation Telogy acquisition, coding and transmission technology. It has a low power consumption, and supports full range of transmission rates from 64 kbs to 2048 kbs and above. It is able to handle both HDB3, bipolar and composite codes, as well as various signaling techniques.The DS21448LN+ is a versatile device, with a number of features that make it an attractive solution to a wide range of communication needs. Its G.703 and HDB3 support capabilities make it a viable option for both voice and data transmission applications. The device is capable of handling both synchronous and asynchronous transmissions with support for 10/100/1G Ethernet connections. It also supports various protocols including Ethernet over E1/T1 and ATM over E1/T1. The device can also handle a variety of traffic management and prioritization protocols, such as MLPP and PPP, or HDLC and LAPS.The DS21448LN+ is fully integrated with the latest Telogy CTI suite of software products and hardware platforms. This makes it an ideal solution for developing and deploying digital access applications and communication networks.The working principle of the DS21448LN+ is simple. The device provides line termination of the underlying digital transmission lines (i.e. E1/T1) in the digital access application. The device monitors the digital line and converts the data stream into digital bits. The data stream is then passed onto the Telogy CTI product, which will then handle the signaling and management of the transmission.The device is also capable of performing error correction and data wastage prevention, as well as providing an extensive set of error handling capabilities in order to protect the integrity of the data transmission. The device is also capable of providing auto-switching of data transmission depending on the communication needs and can switch quickly between different transmission rates, depending on the line conditions.Finally, the device can provide line monitoring capabilities, in order to assess the line conditions and the performance of the transmission. This line monitoring capability is used to adjust transmission protocols and parameters to ensure the optimal performance of the underlying digital access transmission lines.In summary, the DS21448LN+ is a versatile, low-power line interface that is ideal for all types digital access applications. Its G.703 and HDB3 support capabilities, data Wastage prevention techniques, error handling features and line monitoring make it a viable alternative to other line interfaces. The integrated Telogy CTI suite of software and hardware platforms makes the device a viable platform for developing digital access applications and communication networks.

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