SMART Embedded Computing 6806800V18A, Installation And Use Manual

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Shelf Management Module
AXP1440-C07 Installation and Use (6806800V18A) 143
7.3.3 Master-Only I
2
C Bus
The SAM1620-D 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 SAM1620-D are used for the following functions:

System hardware monitoring and control

GPIO extension, for various purposes
7.3.4 Shelf FRU SEEPROM
The SAM1620-D provides access to the SEEPROMS on the Alarm Display Panel
(ADP1440-D) through the master-only I
2
C. Information stored on the ADP1440-D contains
SMART EC OEM records that enable the SAM1620-D to self-configure for the AXP1440-
C07 shelf.
7.3.5 SAM1620-D and Alarm Display Panel Face Plates
The following figure shows the SAM1620-D and ADP1440-D face plate layouts.
5 SigGnd
6 No Connect
7 No Connect
8 No Connect
9 No Connect
Table 7-2 Alarm Display Panel (ADP1440-D) Serial Port Connector (continued)
Pin Signal Direction