Technical data

Shelf Management Alarm Module
AXP 1410 Installation and Use (6806800H70D)
177
8.4.3 Master-Only I
2
C Bus
The SAM provides a number of I
2
C devices using the master-only I
2
C bus of the shelf manager
mezzanine. The master-only I
2
C bus is used internally on the mezzanine for the real-time clock
and EEPROM devices. Additional I
2
C devices connected to the bus on the SAM are used for the
following functions:
z System hardware monitoring and control
z GPIO extension, for various purposes
8.4.4 Shelf FRU SEEPROM
The SAM provides access to the SEEPROMS on the Alarm Display Panel (ADP) through the
master-only I
2
C. Information stored on the ADP contains Emerson OEM records that enable the
SAM to self-configure for the AXP1410 shelf.
Table 8-2 Alarm Display Panel (ADP) Serial Port Connector
Pin Signal Direction
1No Connect
2RXD Input
3 TXD Output
4No Connect
5SigGnd
6No Connect
7No Connect
8No Connect
9No Connect