DS21448 - 3.3V E1/T1/J1 Quad Line Interface

Product Overview

Dallas Semiconducotr

Part number	DS21448
Manufacturer	Dallas Semiconducotr
File Size	1.16 MB
Description	3.3V E1/T1/J1 Quad Line Interface
Datasheet	DS21448 Datasheet
Note	This datasheet PDF includes multiple part numbers: DS21448, DS2. Please refer to the document for exact specifications by model.
Additional preview pages of the DS21448 datasheet.

The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications.

Four Complete E1, T1, or J1 LIUs Supports Long- and Short-Haul Trunks Internal Software-Selectable Receive-Side Termination for 75W/100W/120W 3.3V Power Supply 32-Bit or 128-Bit Crystal-Less Jitter Attenuator Requires Only a 2.048MHz Master Clock for E1 and T1, with the Option to Use 1.544MHz for T1 Generates the Appropriate Line Build-Outs With and Without Return Loss fo.

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Published: Mar 30, 2005 |