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lxt300ne

Contextual Info: APRIL, 1996 DATA SHEET LXT300 / LXT301 Integrated T1/E1 Short-Haul Transceivers• The LXT300 and LXT301 are fully integrated transceivers for both North American 1.544 Mbps T l and International 2.048 Mbps ( E l) applications. Transmit pulse shapes (DSX-l or E l) are selectable for various line lengths and

Contextual Info: DS21Q43A P R E L IM IN A R Y n A i I A C D S 2 1 Q 4 3 A Quad E1 Framer s e m ic o n d u c to r FUNCTIONAL DIAGRAM FEATURES • Four E1 CEPT or PCM-30J/ISDN-PRI framing transceivers • All four framers are fully independent; transmit and re­ ceive sections of each framer are fully independent