Document
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 220-1 QRSS polynomials for T1/J1
terial for any line condition
- 16-bit BPV (Bipolar Pulse Violation)/Excess Zero/PRBS or QRSS
• Single 3.3 V power supply with 5 V tolerance on digital interfaces
error counter
• Meets or exceeds specifications in
- Analog loopback, Digital loopback, Remote loopback and Inband
- ANSI T1.102, T1.403 and T1.408
loopback
- ITU I.431, G.703,G.736, G.775 and G.823
• Adaptive receive sensitivity up to -20 dB
- ETSI 300-166, 300-233 and TBR 12/13
• N.