GENERAL DESCRIPTION

The CopperWing12 ADSL Chipset family targets a complete set of solution for Central Office (CO) ADSL technology integrating also processing and management capability to provide the best solution for ATM/IP DSLAM, ATM/IP mini DSLAM and Pizza boxes. The chipset integrates all ADSL/ ADSL2+ functions from ATM/IP interfaces to the line in three devices:

■ Two data pump chip options:

– STLC61255: 12 channels ATM ADSL Data Pump

– STLC61256: 12 Channels ATM/IP ADSL data Pump with embedded Cell Processor

■ STLC60454: 4 Ch ADSL/ADSL2+ AFE with integrated receiver and LP filters

■ STLC60243: Dual channel Line Driver

ADSL SUPPORTED STANDARDS

■ T1.413 Issue 2

■ ETSI RTS/TM 06006 - ADSL over ISDN

■ ITU G.992.1 - G.dmt, Annexes A, B, C, I

– Amendment to G.992.1 Annex C

■ ITU G.994.1 - G.hs rev 2.

■ ITU G.992.2 - G.lite, Annexes A, B, C.

■ G.992.3 - G.dmt.bis, Annex A, B, C, I, J, L, M

■ G.992.4 - G.lite.bis

■ G.992.5 - G.adslplus, Annex A, B, C, I, J, M

■ RE-ADSL

■ Metallic loop testing

PERFLOW ATM/IP CELL PROCESSOR FEATURES

■ Network processing functionality on the line card

– First stage switching

■ Cell and Packet processing

– -AAL5 and AAL2 SAR functions on chip

– ATM line card switch

– Serial ATM

– PTM-TC (Packet Over HDLC)

– Traffic Management and Policing

■ Configurable backplane interfaces

– Utopia Level 2&3, PoS, RMII, SMII, Serial ATM, STM