Phihong USA Corporation
•
East Coast Engineering Center
•
630 Johnson Ave. Suite 102, Bohemia, NY 11716
•
Tel: (631) 610-2289
www.Phihong.com
3.3 USB block diagram
or
www.Midspans.com
17
Note:
Assume USB-to-Serial-Comm Port driver is installed. Users’ PC will
automatically detect the newly installed/connected hardware.
USB port (PC)
USB Device
(Midspan)
Internal function
Connects USB Port (PC) to
device (Midspan) via USB cable.
The PC automatically detects the
newly installed hardware. This
function is called
Plug&Play,
available with a USB connection.
Internal USB device (Midspan)
sends a signal to your PC, creating a
“
Virtual COM Port
.” A Virtual
COM Port corresponds to a serial
communication port.
The PC quickly identifies the
connection as
Serial Com
. Windows
will automatically install your device
on an available serial COM port.
Changes may be made via Device
Manager. Section 3.2 discusses
Device Manager.
Wait for PC to respond.