Artesyn AXP640, Installation And Use Manual

Page: 171 / 190

Shelf Management Alarm Module
AXP640 Installation and Use (6806800M24F)
171
7.4.3 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 AC PSU and
EEPROM devices. Additional I
2
C devices connected to the bus on the SAM are used for the
following functions:

System hardware monitoring and control
7.4.4 Shelf FRU SEEPROM
The SAM provides access to the SEEPROMS on the backplane through the master-only I2C.
Information stored in the SEEPROMS contains PICMG defined Shelf FRU data records that
enable the SAM to self configure for the AXP640 shelf.
7.4.5 SAM LEDs
The SAM provides the LEDs listed in the following table. More detail on the LEDs is provided in
the following sections. Also refer to
Figure 7-2 on page 169 for SAM face plate LED locations
and to Figure 2-1 on page 52 for the ADP teleco LED locations.
Table 7-2 SAM LEDs
LED Type Location
Telco Critical alarm (CRIT)
Major alarm (MAJ)
Minor alarm (MIN) SAM face plate
In Service In Service (IS) SAM face plate
Out of Service Out of Service (OOS) SAM face plate
Hot Swap Hot swap ready (HS) SAM face plate