Artesyn Centellis 4100 Installation and Use (2015) - Manual (Page 52)

System Overview
Centellis 4100 Installation and Use (6806800D82E) 54
The Artesyn Embedded Technologies - Embedded Computing RTMs can be used as rear
expansion boards for node blades and for the switch to access the different interfaces on an
AdvancedTCA blade through the RTM face plate.
1.1.7 AMC Modules
AMC modules can be mounted on carrier cards.
1.1.8 Power Entry Modules
Four field hot-swappable intelligent PEMs with a 50A breaker and line filter are installed
beneath the rear slots of the backplane. The four PEMs are used to provide split, redundant
power.
1.1.9 Blowers
The system provides fault-tolerant cooling by using four front-accessible, hot-swappable
intelligent blower trays. Each blower tray contains one blower with built-in speed control.
1.1.10 Air Filter
The air filter is located in the lower part of the shelf. It ensures that the shelf operates efficiently
and therefore regular replacing is required.