User guide

Product Description
2 AT8910/AT8940
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1. Product Description
1.1 Product Overview
The AT8910/AT8940 is an ATCA 10/40GbE Fabric Interface Hub designed around the Broadcom BCM56840
architecture. All considerations are being taken to ensure this product can be used as a standard hub offered
to the broad telecom and datacenter market.
Architectural features under consideration such as 40GbE interfaces are expected to deliver a high-
performance switching and routing up to 14 nodes in a redundant chassis configuration. Some of the
highlights are:
• Starting with 320 Gbps non-blocking switching bandwidth upgradable to 640 Gbps upon silicon
availability
• 320 Gbps variant with BCM56842
• 640 Gbps variant with BCM56846
• Support for 14x 10/40GbE nodes and one redundant hub meeting NEBS and ETSI standard
• Support for separate switch silicon for Base and Fabric interface
• Support for 2x 40GbE Fabric Interface to the RTM
• Support for 10GbE SFP+ Base Interface uplink front panel connectors
• Support for Synchronous Ethernet on RTM