FEATURES

SDH Overhead Processor

? Dual channel SDH STM-4 or STM-1 Serial LVDS interfaces

? Dual channel multi-rate CDR macro is integrated

? High jitter performance complies with ITU-T specification

? Regenerator and multiplex section overheads are terminated

? High order AU-4 pointer interpretation and generation

? VC-4 path overheads termination

? Full access SOH through external serial interfaces

? Support path loop-back

? Support Multiplex Section Protection Switch

TUPP

? Process TU-12/TU-3 Pointer

? Aligns SDH tributary unit within 8 STM-1.

? TU3 or TU12 modefor every TUG3 in AU4

? Bypass mode for VC-4 Applications

Extended interface supports

? Two byte-width 19.44 Telecom Bus, or two byte-wide 77.76MHz Telecom Bus, or

? Two 2bit-width 77.76MHz Telecom Bus

21 channel E1 mapper

? 21 channels E1 asynchronous mapping and de-mapping to/from a STM-1.

? 1+1 path protection, re-timing mode for channel #0 to #7

High and low order cross connecter

? 18 X 18 STM-1 non-blocking switching for high order or low order

Provides 16-bit Intel/Motorola microprocessor interface

1.8V/3.3V power supply. 3.3V CMOS I/O. LVDS I/O

Supports IEEE 1149.1 boundary scan

Operating Industrial temperature range: -40℃ ~ 85℃

Maximum power consumption less then 2.9W

TEBGA 421 package

APPLICATIONS

SDH Add/Drop Multiplexers SDH Ternimal Multiplexers

Multi-service Transport Platform (MSTP) Customer Premises Equipment (CPE)