Owner manual

AT8902 Hardware Description
Page 3 - 23 AT8902 User Guide
3.2 Fabric Mezzanine
This section describes the board specific items of the fabric mezzanine module.
The mezzanine is a PICMG 3.1 compliant module for the AT8902 AdvancedTCA Hub Board
from Kontron. It provides a fabric interface switch with 24 GbE ports and zero, two or four
10GbE uplinks.
The mezzanine module is supplied by the 3V3 management power and the 12V payload po-
wer. The module is controlled by the IPM controller via an I2C interface. The interface is con-
nected to the JTAG chain for boundary scan test ability.
The board is compatible to the following standards:
• PICMG 3.0 AdvancedTCA Base Specification, Revision 2.0
• PICMG 3.1 Ethernet/Fibre Channel for AdvancedTCA Systems, Revision 1.0
• IPMI v1.5. Intelligent Platform Management Interface Specification
Figure 3-6: GbE Mezzanine Block Diagram