Highlights
  • IEEE 802.3av/802.3ah-compliant 10G-EPON OLT SoC
  • Compliance to CTC 10G-EPON specifications version 2.1 and to MEF, TR101, and TR156 specifications.
  • High performance, low latency and programmable DBA for high Quality of Service (QoS) of both 10-Gbit/s and 1-Gbit/s upstream ONUs; support for 256 LLIDs.
  • Integrated SERDES and Burst-mode CDR
  • Dual embedded ARM11 controllers running at 700 MHz
  • IEEE 802.1ae and 802.1af-compliant, 128-bit Advanced Encryption Standard (AES) encryption and decryption
  • China Telecom downstream triple churning encryption
  • IEEE 802.3av and IEEE 802.3ah compliant Forward Error Correction (FEC) coding for improved link budget.
  • Networking engine
  • Multi-protocol classifier based on programmable deep-packet parser, with L2/L3/L4 capabilities, supporting both IPv4 and IPv6
  • Dual-stage classifier for supporting hierarchical classification model with 64 services, 512-4K users and 4K flows
  • Single/Double VLAN; 1:1, N:1 and transparent VLAN model
  • 802.1p priority, IPv6 ToS and IPv4 DSCP awareness
  • Multicast group (IPV4 IGMPv3 and IPV6 MLDv2)
  • IEEE 802.1ad-compliant QinQ
  • IEEE 802.1q-compliant priority bridge
  • IEEE 802.3x and 802.1Qbb flow control for the CNI
  • 2K upstream and 2K downstream data queues for unicast or multicast traffic; dedicated queues for CPU forwarding
  • Hierarchical shaping with dual leaky bucket shapers
  • Flexible hierarchical scheduling with up to 5 layers of SP, DWRR and SP+DWRR
  • External DDR III memory mode for packet buffer
  • Digital network and PON diagnostic
  • In-band OTDR for detecting faults on the fiber
  • RSSI measurement for detecting faulty ONUs
  • Eye pattern for detecting jitter problems
  • CTC PON Redundancy types A,B, C, D and CNI Redundancy with 50-ms fast switchover
  • Network synchronization support for mobile backhaul using ToD+1PP, IEEE 1588v2 , 802.1AS, and SyncE
  • ONU Power Save protocol and traffic buffering
  • Advanced 40-nm process geometry
  • 27x27mm FCBGA package
Product Overview
The PAS8xx1 family is 10G-EPON Optical Line Terminal (OLT) System-on-a-Chip (SoC) device family, dedicated for use in a 10-Gbit/s Ethernet Passive Optical Network (IEEE 802.3av 10G-EPON). The PAS8xx1 family integrates the 10G-EPON SERDES, burst-mode CDR, 10GEPON Media Access Control (MAC) and protocol management; advanced 10G-EPON DBA, classification/packet processing engine and traffic management; XAUI/RXAUI CNI interfaces, and dual embedded ARM11 CPUs. Advanced PON diagnostic functions include Virtual Scope (RSSI) and integrated in-band OTDR. The devices support Time of Day (ToD), Synchronous Ethernet (SyncE), and IEEE 1588v2 time synchronization for cellular backhaul applications, and Power Save protocols for remote ONUs. The PAS8xx1 devices are provided with an integrated software package, Application Program Interface (API), and board support package providing a complete OLT solution.
Benefits
  • Full IEEE 802.3av 10G-EPON OLT functionality with a comprehensive software package, compatible with PMC-Sierra's EPON OLT for easy migration.
  • Co-existence with legacy EPON ONUs (1G, 10G EPON ONU can coexist on one OLT network) for seamless network upgrades.
  • Support for various markets and operator specifications (CTC, NTT, KT, US MSO); versatile to various line card configurations
  • Integrated digital PON diagnostics for in-service detection of PON problems, improving the network maintainability while reducing carrier operating expenses
  • Advanced hierarchical classification engine with support for Service type and Layer 2/3/4 fields to provide true "triple play" services based on user and service models
  • Advanced QoS features: advanced DBA algorithm and flexible traffic management to enable queuing per user/service, scheduling, shaping and policing.
  • Power Save protocols and traffic buffering enabling up to 80% ONU system power reduction.
  • Proven interoperability using PMC-Sierra 10G-EPON software

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Product Brief
      Version Issue Date
  PDF Document PAS8xx1 Product Brief [411 KB] PMC-2101977 4 2012-02-23
Data Sheet
      Version Issue Date
Locked PDF Document PAS8xx1 Datasheet [20.17 MB] PMC-E105201 1 2011-08-16