SMART Embedded Computing 6806800V18A, Installation And Use Manual

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Shelf Management Module
AXP1440-C07 Installation and Use (6806800V18A) 155
7.6 Hot Swap Interface
The SAM1620-D provides a hot swap interface allowing the SAM1620-D to be replaced
without powering down the shelf. The hot swap interface is implemented using the shelf
manager mezzanine CPLD device. The interface is composed of three components:

Injector/ejector handle switch

Presence signal indicating that the SAM1620-D is fully seated in its backplane
connector

HS LED to indicate safe to remove state
5 Critical Alarm - NO
6 Critical Alarm - NC
7 Critical Alarm - COM
8 Minor Alarm - NO
9 Minor Alarm - NC
10 Minor Alarm - COM
11 Major Alarm - NO
12 Major Alarm - NC
13 Major Alarm - COM
14 Pwr Alarm - NO
15 Pwr Alarm - COM
Table 7-11 Hot Swap Interface Pin Out (continued)
Pin Description
NOTICE
Upon opening the handle, an automatic switchover will not occur until the active
SAM is removed from the system.