Fabric Interface; Ipmi Network; Figure 1-1 Fabric Option 1, 2, And 3 - Emerson AXP1620 Installation And Use Manual

Fabric Interface

1.4.2
1.4.3
AXP1620 Installation and Use (6806800E23E)
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Fabric Interface
The fabric interface supports point-to-point connections between AdvancedTCA blades. In the
AXP1620, these fabric connections are configured in a dual star topology that runs back to the
hub slots. The AXP1620 system has one, two, or four channel slots. These channels are
aggregated at the hub slots into the dual-star topology. In this configuration, all node slots
support one fabric channel to each of the two hub slots.The fabric channels are located on
connector P20 of the node slots, and connectors P20, P21, P22, and P23 of the hub slots.
The implementation of the interface is indicated by the level of PICMG compliance a blade or
hub is designed to. The AXP1620 supports the PICMG 3.1 fabric standard to allow for several
configuration options that can provide greater bandwidth to certain slots in the shelf. The fabric
interface switch supports: PICMG 3.1 Option 1 (1.0Gbps), Option 2 (2.0Gbps), and Option 3
(4.0Gbps). The following figure shows the AXP1620 shelf update channel connectivity.
A PICMG 3.1 compliant hub provides 1000BASE-BX to the fabric interface of a PICMG 3.1
compliant blade.
Figure 1-1 Fabric Option 1, 2, and 3
1 3 5 7 9 11
Update Channels
1 2 3 4 5 6
The fabric interface switch is also extended outside the AXP1620 shelf through eight external
connectors on the RTM.

IPMI Network

The Intelligent Platform Management Interface (IPMI) is based on a redundant radial topology.
Redundant IPMI networks are supported by the Shelf Management Alarm Module (SAM) to
manage the shelf resources.
13 15 4 6 8 10 12
7 8 9 10 11 12 13
Physical Slots
Platform Architecture
Logical Slots
14 16 2
14 15 16
41