IDT82V2048 PDF File ( Datasheet )

OCTAL T1, E1 SHORT HAUL LINE INTERFACE UNIT IDT82V2048 FEATURES Fully integrated octal T1, E1 short haul line interface which supports 100Ω T1 twisted pair, 120Ω E1 twisted pair and 75Ω E1 coaxial applications Selectable single rail or dual rail mode and AMI or HDB3, B8ZS line 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, SD

OCTAL CHANNEL T1, E1, J1 SHORT HAUL LINE INTERFACE UNIT IDT82V2048E FEATURES: Eight channel T1, E1, J1 short haul line interfaces Supports HPS (Hitless Protection Switching) for 1+1 protection - High impedance setting for line drivers - PRBS (Pseudo Random Bit Sequence) generation and detection with 215-1 PRBS polynomials for E1 without external relays - QRSS (Quasi Random Sequence Signals) generation and detection Programmable T1, E1, J1 switchability allowing one bill of ma- with 220