DESCRIPTION

The IDT82V2048S is a single chip, 8-channel T1/E1 short haul PCM transceiver with a reference clock of 1.544 MHz (T1) or 2.048 MHz (E1). The IDT82V2048S contains 8 transmitters and 8 receivers.

FEATURES

◆ Fully integrated octal T1/E1 short haul line interface which supports 100 ? T1 twisted pair, 120 ? E1 twisted pair and 75 ? E1 coaxial applications

◆ Optional Single Ended receive termination LIU on RTIPn/ RRINGn for 75 ? E1 coaxial applications

◆ Selectable Single Rail mode or Dual Rail mode and AMI or B8ZS/HDB3 encoder/decoder

◆ Built-in transmit pre-equalization meets G.703 & T1.102

◆ Selectable transmit/receive jitter attenuator meets ETSI CTR12/13, ITU G.736, G.742, G.823 and AT&T Pub 62411 specifications

◆ SONET/SDH optimized jitter attenuator meets ITU G.783 mapping jitter specification

◆ Digital/Analog LOS detector meets ITU G.775, ETS 300 233 and T1.231

◆ ITU G.772 non-intrusive monitoring for in-service testing for any one of channel 1 to channel 7

◆ Low impedance transmit drivers with high-Z

◆ Selectable hardware and parallel/serial host interface

◆ Local, Remote and Inband Loopback test functions

◆ Hitless Protection Switching (HPS) for 1 to 1 protection without relays

◆ JTAG boundary scan for board test

◆ 3.3 V supply with 5 V tolerant I/O

◆ Low power consumption

◆ Operating temperature range: -40°C to +85°C

◆ Available in 144-pin Thin Quad Flat Pack (TQFP) and 160-pin Plastic Ball Grid Array (PBGA) packages