metraTec QuasarMX, Technical Documentation Manual

Page: 6 / 13

3 Power Supply and Electrical Specification
The QuasarMX is powered using 24V DC which are connected at the front of the device
(X3). If you do not use a power supply supplied by metraTec, please make sure that your
own PSU provides a supply voltage of high quality. If possible, use a PSU with high
precision/high speed linear regulator. If you use a switching PSU, please make sure that the
switching frequency is > 500 kHz.
Connector Description
X3.1 GND
X3.2 24V DC
Tab. 1:
Description of Power Connector
Operating Voltage 24 V DC
Power Consumption 1 , RF on 200 mA
Power Consumption
1
, RF off 80 mA
Power Consumption 1 , Sleep 20 mA
Voltage Inputs/Outputs 24 V
Tab. 2: Maximum Rating and Electrical Limits
1 Note: For Ethernet power consumption is increased by 250 mA.
Technical Documentation metraTec QuasarMX Page 6 of 13
Fig. 2: Power Connector Description (ref. Tab. 1)