MPA2C3 Installation Guide 151
Example:
PoE+ Power Limitations
If the panel is powered by PoE+ (Power over Ethernet), you must comply with these
specifications for proper operation:
• An MPA2C3 panel powered by PoE+ is 802.3at compliant, providing a maximum
of PSE 30W of input power and maximum of 25.5 W of output power to the panel.
This input power is split between on-board power consumption and external
load consumption. A maximum current capacity of 1600 mA @ 12±2 VDC is
available for all external devices combined.
Note: Two readers per door panel can be supported if the total current is within the external
load capacity stated above.
Note: You can find the devices’ power consumption amounts by referring to the products’
documentation or by using a current meter.
Device Element Current
Door A Reader maximum
current
300 mA
Door B Reader maximum
current
300 mA
Door A strike or magnetic
lock current
500 mA
Door B strike or magnetic
lock current
500 mA
Buzzer or sounder current 20 mA
Request to exit switch 30 mA
RS-485 devices 250 mA
Total current for all
external devices in
this example
1900 mA < 3000 mA
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