Axon Fleet 3 Installation Guide
Axon Enterprise, Inc. Page 15 of 47
o Optimal Crossing Angle: 90 degrees
o Minimum Crossing Angle: 45 degrees
• Fleet 3 Ethernet cables should be distanced from any devices, AMPS, antennas, and
power lines carrying a high current load. Use the following recommendations:
o Minimum Parallel Distance: 6 inches
Ignition Sensing Source
The Fleet Hub and some routers can sense ignition to determine when to power on and off.
Locate a source of ignition power.
Note: Voltage between -40V and 40V will not damage the system.
• Key ON Voltage: 4V - 19.5V
The Hub draws 0.10mA (0.0001A) or less when powered off. Wire is 12AWG for
standardization.
Note: Voltage below 4V may cause the Host to come on, as the threshold varies slightly
from one unit to the next. Occasionally, an ignition signal as low as 3.3V can cause the
Hub to boot up.
• Key OFF Voltage: 0V - 2V
Hub Signal Input Wiring
The Hub Signal 12V input wires are used for triggering camera activation or Video Overlays
(e.g., Lightbar, Door trigger, etc.).
• Signal wires are #22 AWG.
• Hub timing for trigger inputs 5 through 10, 13, and 14:
o Low to High Transition: 200 ms
o High to Low Transition: 200 ms
• Hub timing for trigger inputs 11 and 12:
These inputs are intended to reduce the likelihood of nuisance videos from
extraneous triggers caused by some progressive slide switch control modules
(common in light bars). These controllers can cause the input voltage of Axon Signal
Vehicle to drop below 3.6 VDC when transitioning between switch positions.
o Low to High Transition: 200 ms
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