Filter
Top Products
724-746-5500 | blackbox.com
Page 18
724-746-5500 | blackbox.com
802.3af and 802.3at PoE Gigabit Injectors
4.4 USB Block Diagram
USB device (PoE)
internal function
Connects USB port (PC) to PoE
device via USB cable
Internal USB device sends a signal to
your PC, creating a “virtual COM port”
(serial communications port).
Wait for PC to respond
USB port (PC)
The PC automatically detects the
newly installed hardware. This function
is called plug-and-play and is
available with a USB connection.
The PC quickly identifies the connection
as serial COM. Windows
®
will automatically
install your device on an available serial
COM port. You can make changes via
Device Manager.
Figure 4-7. USB block diagram.
NOTE: If the USB-to-Serial Comm
Port driver is installed, the
user’s PC will automatically
detect the newly installed/
connected hardware.