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Installing the NetAXS-123 Panels
Hardware Specifications
NetAXS-123 Access Control Unit Installation Guide, Document 800-05779, Revision A 61
Example:
If the total current consumption of your external devices exceeds the 450mA maximum current
maximum, then use one of the following system configurations:
• Power the panel with an external 12VDC power supply.
• Power some or all of the external devices with an external power supply to lower the
total external current powered by the NetAXS-123 panel below 450mA.
• The maximum power available in the 802.3af standard is 15.4W. This limit is generally at
48VDC, and it is measured at the output of the power injector or PoE switch. Line losses cause
a decrease in the power available at the panel when you use longer Ethernet cable lengths. You
can minimize these line losses by using either of the following methods:
• Connecting the NetAXS-123 panel to the power injector or PoE switch with the shortest
possible Ethernet cable length.
• Using a high-power 802.3at power injector or PoE switch with a voltage of 56VDC. This
reduces line losses and thus increases available power at the NetAXS-123 panel.
Note: The NetAXS-123 panel will not benefit from the increased power capabilities of a
high-power 802.3at power injector. Its use only reduces line losses over the Ethernet
cable.
5.5 Mechanical
• Standard Enclosure dimensions: Height = 14 inches (355.6 mm), Width = 12 inches (304.8
mm), and Depth = 5 inches (127 mm).
• Compact Enclosure dimensions: Height = 7.5 inches (190.5 mm), Width = 7.5 inches (190.5
mm), and Depth = 2.25 inches (57.15 mm).
Device Element Current
Door strike or magnetic
lock current
250 mA
Reader A maximum
current
50 mA
Reader B maximum
current
50 mA
Buzzer or sounder current
20 mA
Door position switch
20 mA
Request to exit switch
30 mA
Total current for this
example
420 mA