Document
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
IDT82V2042E
FEATURES:
• Dual channel T1/E1/J1 short haul line interfaces • Supports HPS (Hitless Protection Switching) for 1+1 protection
without external relays • Programmable T1/E1/J1 switchability allowing one bill of ma-
terial for any line condition • Single 3.3 V power supply with 5 V tolerance on digital interfaces • Meets or exceeds specifications in
- ANSI T1.102, T1.403 and T1.408 - ITU I.431, G.703, G.736, G.775 and G.823 - ETSI 300-166, 300-233 and TBR12/13 - AT&T Pub 62411 • Software programmable or hardware selectable on: - Wave-shaping templates - Line terminating impedance (T1:100 Ω, J1:110 Ω, E1: 75 Ω/120 Ω) - Adjustment of arbitrary pulse shape - JA (Jitter Attenuator) position (receive path or transmit path) - Single rail/dual rail system interfaces - B8ZS/HDB3/AMI line encoding/decoding - Active edge of transmit clock (TCLK) and receive clock (RCLK) - Active level of transmit data (TDATA) and.