Arrive也已经开发了一系列多业务ADM 专用集成电路.

Arrive的AT4848是一款高度集成的OC-48/STM-16或OC12/STM-4 MSADM(多业务分/插复用器)片上系统。它可用于线性或环形拓扑结构的SONET / SDH网络。它也可以用作一个以太网over PDH的映射器,此时可不需要提供SONET / SDH功能。以下是主要功能和特点:

Interface types

  • SONET/SDH (Serial 155.52 Mbits/s, 622.08 Mbits/s, 2.488 Gbits/s)
  • Fast Ethernet (Octal SMII or SS-SMII)
  • Gigabit Ethernet/Fiber Channel (Serial)
  • ESCON, DVB-ASI, or Low speed FC
  • DS1/E1 and DS3/E3 with M13/E13 multiplexing
  • DS0
  • OIF SPI-3
  • TOH/POH Drop/Insert

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VCAT/LCAS Encapsulations and Aggregation

  • Up to 128 VCGs
  • GFP-T
  • GFP-F
  • HDLC
  • PPP
  • LAPS
  • ATM

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Integrated cross-connects

  • DS0 level switching
  • VT/TU level switching
  • TU3/LO level switching
  • STS/VC level switching

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Integrated system clock synchronization

  • Line
  • Loop
  • BITS processor and generator
  • Clock Source Monitoring

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APS – Redundancy

  • Linear
  • Ring
  • UPSR/SNCP

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ZBT RAM Interface

  • HDLC controller
  • DS0 signaling processor
  • BER

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DDR2 SDRAM Interface

  • VCAT de-skewing
  • Packet buffering

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