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The VRM-MCH is a MicroTCA Carrier Hub in a form factor of a single width double height Advanced Mezzanine Card (AMC). It provides the central management and data switching entity for all MicroTCA systems. The VRM-MCH comprises of a base module and numerous optional daughter cards which can be mounted on the base module. The VRM-MCH is MicroTCA.0 R1.0 compliant and delivers switching and hub functionality for the various system fabrics as defined in the AMC.x standard series, i.e. Gigabit Ethernet, PCI-Express (PCIe), Serial Rapid I/O (SRIO) or Serial Attached SCSI (SAS). Features:
CPU and Memory: Freescale ColdFire 547x@200Mhz. DRAM: 16MB FLASH: 16MB
IPMI and Compliance: 12 AMCs, 2 cooling units, 1-N power units, PICMG AMC.0 R1.0, PICMG 2.9 R1.0
Supported Fabrics and Compliance:
Fabric A: Gigabit Ethernet: 12 AMCs PICMG AMC.2 R1.0, PICMG SFP.1 R1.0
Fabric B: Serial Attached SCSI: Serial ATA, PICMG AMC.3 R1.0 option available Q1/07
Fabric D-G: PCI Express: 12 AMCs, x1-x4 each, PICMG AMC.1 R1.0
Serial Rapid I/O: PICMG AMC.4 standard has not yet been adopted
Clock Distribution: Telecom: Stratum 3 PLL with reference from either 1 of the 12 AMCs or external clock via front panel
PCIe: Spread Spectrum Clock (100MHz mean) or oscillator ( 100MHz fixed)
Carrier Management: Management of up to 12 AMCs, 2 cooling units and 1-N power units, supports redundant architectures and fail-over procedure.
Shelf and System Manager: For detached or stand-alone operation both managers are available on-board, hook-in for external managers via 100BaseT port at front panel.
Operating System and API: O/S: Linux / API: HPI compliant
Indicator LEDs: 4 standard AMC LEDs, 12 bicolour LEDs for AMC slot stat, 2 bicolour LEDs for cooling units, 2 bicolour LEDs for power units
Front Panel Connectors: 100 Base T management connection, 1GbE system up-link, external clock reference, serial debug connector.
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