MicroTCA Carrier Hub (MCH)

N.A.T.

Contact:

Heiko Körte
Director or Sales & Marketing

Description:

The NAT-MCH the powerful management and data switching entity for all microTCA (uTCA) systems.

Overview and Purpose
The NAT-MCH is a MicroTCA (uTCA/MTCA) Carrier Hub in the form factor of a single width and single or double height Advanced Mezzanine Card (AMC). It provides the central management and data switching entity for all MicroTCA systems. The NAT-MCH comprises of a base module and numerous optional daughter cards which can be mounted on the base module. The NAT-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. 1Gigabit Ethernet, PCI-Express (PCIe), Serial Rapid I/O (SRIO), 10Gigabit Ethernet (XAUI) or Serial Attached SCSI (SAS). The NAT-MCH can also provide a centralized clock distribution to all AMCs in the system.
CPU, memory and O/S
The NAT-MCH base board is equipped with a CPU of the Freescale ColdFire family of processors. The CPU operates at core frequency of 200 MHz. The NAT-MCH provides 32/64MB SDRAM and 16/32/64MB FLASH memory. The operating system used with the NAT-MCH is OK1 or Linux.
Gigabit Ethernet Switch and 10GbE (XAUI) Support
The Gigabit Ethernet Switches incorporated in the NAT-MCH both provide a layer 2, non-blocking, low-latency Gigabit Ethernet switches, supporting VLAN as well as a port based rate control. The NAT-MCH supports Fabric A (1GbE) and Fabrics D-G (10GbE, XAUI) according to MicroTCA.0 R1.0 and PICMG SFP.1 R1.0, serving up to 12 AMCs as well as the update channel from the second MCH in redundant environments. Also supported are uplink ports at the front panel of the NAT-MCH in order to interconnect to other carriers, shelves or systems.

SRIO Hub Module
Alternatively to PCIe or 10GbE (XAUI) the NAT-MCH can be equipped with a Serial Rapid I/O (SRIO) daughter board to support contention less point-to-point connectivity between up to 12 AMC modules. The SRIO hub supports x1 and X4 fat pipe transport density.

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