Artesyn RTM ATCA-F140 Installation and Use (July 2014) - Manual (Page 52)

Functional Description
RTM-ATCA-F140 Installation and Use (6806800M97F) 52
The management power is used to directly power the devices connected to the front blade I2C
bus, namely for serial EEPROM, temperature sensors and I/O extender device.
+12V payload power is the source for the onboard DC to DC converters needed for the RTM
payload.
4.10.1 Power Requirements
The table below summarizes the power requirements of the RTM-ATCA-F140.
Table 4-12 Power Requirements
Voltage
Maximum Current
+3.3V Management 0.2A
+12V Payload 2.1A