Artesyn AXP1440, Installation And Use Manual, Page: 131 / 156

Shelf Management Alarm Module
AXP1440 Installation and Use (6806800H23U) 129

FPGA device on the PCI bus used to implement IPMB-0, the Shelf Manager-oriented
interfaces for hardware redundancy, hot swap and carrier ID, plus the ATCA Watchdog
and a high-speed serial interface for an alternate software redundancy interface
between peer ShMM-1500Rs.

Three general-purpose I
2
C interfaces (one with limitations) for access to on-carrier

devices, such as hardware monitors and the Telco Alarm interface

RTC, backed by on-carrier battery

User SEEPROM

External interrupt inputs

User GPIO

SPI interface as an extension interface for on-carrier devices

PCI interface as an extension interface for on-carrier devices

On-carrier PLD interface

JTAG interface for software debug and manufacturing