PEF2256H V2.2产品说明E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications FALC®56Line Interface• High-density, generic interface for allE1/T1/J1 applications • Analog receive and transmit circuits for long-haul and short-haul applications • E1 or T1/J1 mode selectable • Data and clock recovery using an integrated digital phase-locked loop • Maximum line attenuation up to -43 dB at 1024 kHz (E1) and up to -36 dB at 772 kHz (T1/J1) • Programmable receive equalizer characteristic • Software-selectable receive line termination • Programmable transmit pulse shapes for E1 and T1/J1 pulse masks • Programmable line build-out for CSU signals according to ANSI T1. 403 and FCC68: 0dB, -7.5 dB, -15 dB, -22.5 dB (T1/J1) • Low transmitter output impedances for high transmit return loss • Tristate function of the analog transmit line outputs • Analog switch for redundancy applications • Transmit line monitor protecting the device from damage • Receive line monitor mode • Jitter specifications of ITU-T I.431, G.703, G.736 (E1), G.823 (E1) and AT&T TR62411 (T1/J1) are met • Crystal-less wander and jitter attenuation/compensation 封装：P-LBGA-81-1 PEF2256H V2.2现货订购热线： PEF2256H V2.2产品pdf datasheet(责任编辑：www.gongwin.com) |
