82V2042EPF集成電路（IC）的電信規(guī)格書PDF中文資料

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 material

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 receive data (RDATA)

- Receiver or transmitter power down

- High impedance setting for line drivers