SW5502C
Wireless Serial Server
User Manual
VCOM installation
and troubleshooting
o
RD indicates data are being received from the server
.
o
TR
(
DTR
)
is the signal from the application to the server that the application has opened the
virtual COM port
.
The most common use of DTR is to programmatically lower it to signal a
modem to disconnect
.
o
DR
(
DSR
)
is the signal from the server to the application that a modem or serial device is
connected to the server and ready to communicate
.
o
CD
(
DCD
)
is the signal from the server to the application that a modem has successfully
negotiated a connection with another device
.
Status
:
This indication the connection status of the software and serial device server which can be
connected or offline
.
IP Address
:
This is the IP address of the serial device server
.
Notes
:
The line signal indicators appear only when the virtual COM port is currently opened by an application
.
The TR, DR, and CD indicators appear only if the COM Port Control protocol is being used or if the COM
port options are enabled
.
6.4.3
Trace Panel
The Trace panel provides a detailed, time
-
stamped, real
-
time display of all Serial
/
IP COM ports operations
.
Click on
Enable Trace
box to start logging Virtual COM communication
.
To stop logging, uncheck the Enable Trace box
.
The user can toggle the format of the display between ASCII text
(
more readable
)
and hexadecimal format
(
most
detailed
)
by checking the Hex Display box
.
Click on
Auto Scroll box will cause the display to show the most recent
trace data continuously
.
To ensure that Port Monitor
’
s window is always on top of other application
’
s windows,
please check the Always on Top box
.
If you want to clear the displayed data in Trace panel, click on the Clear
button
.
Figure 6.17
Trace Panel of Serial
/
IP Port Monitor
