2 unit computer, 3 base interface, 2 unit computer 2.3 base interface – Kontron AT8940 User Manual
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Board Features
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2.2
Unit Computer
• Dual-core Freescale P2020 1000MHz processor, each core controls one Ethernet switch
• 1GB DDR3 SODIMM
• 2x 128MByte NOR FLASH with dual Image Support
• 1GB NAND FLASH
• 1000Base-BX Hub interconnect to redundant partner via backplane Update Channel
• RTC Clock support
• Synchronization Clock support from RTM via FPGA
2.3
Base Interface
• Broadcom StrataXGS®IV Metro Ethernet Access Switch Architecture
• Broadcom BCM56334 24-Port GbE Ethernet Multilayer Switch with 4 10GbE Uplinks.
• 14 Base Interface ports running at 10/100/1000Base-T/TX/T.
• One Hub interlink running at 10/100/1000Base-T/TX/T.
• One port configurable either as Hub interlink via Update Channel or IPMC link for IPMI/Serial over LAN.
• Hub interlink running at 1000Base-KX
• IPMC link forced to 100Base-TX (no autonegotiation)
• ShMC A/B connect running at 10/100Base-T/TX
• 4 1G/10G SFP+ front uplinks with Broadcom BCM8727 Dual XAUI to SFI transceiver.
• 3 RTM uplinks running at 10/100/1000Base-T/TX/T (SGMII) or 1000Base-x (Fiber)
• SFP/SFP+ monitoring via I2C interface
• Unit Computer manages Base Switch via PCIe Gen1 x1 (2.5Gbps)
• One port connected to Unit Computer running at 1000Base-KX
• One port connected to System Manager running at 1000Base-KX