User Guide
Trademark Notices
Document Number: 2000370 Rev. B
Comtrol and RocketPort are trademarks of Comtrol Corporation.
Windows and Microsoft are registered trademarks of Microsoft Corporation.
Other product names mentioned herein may be trademarks and/or registered trademarks of their respective
owners.
Second Edition (Rev B), September 12, 2011
Copyright © 2007 - 2011. Comtrol Corporation.
All Rights Reserved.
Comtrol Corporation makes no representations or warranties with regard to the contents of this document or
to the suitability of the Comtrol product for any particular purpose. Specifications subject to change without
notice. Some software or features may not be available at the time of publication. Contact your reseller for
current product information.
Table of Contents
Overview...................................................................................................................................5
Product Overview.......................................................................................................................................... 5
Supported Models.......................................................................................................................................... 5
Before Installing the RocketPort uPCI Plus 422.................................................................................... 5
Locating the Latest Drivers and Documentation .................................................................................. 6
Card and Interface Installation ..........................................................................................7
Connecting RS-422 Serial Devices......................................................................................9
DTE Versus DCE ............................................................................................................................................ 9
DB9 Serial Cables and Loopback Plugs ................................................................................................... 9
DB9 Signals (RS-422) ............................................................................................................................... 10
Straight-Through Cables (DCE) .............................................................................................................. 10
Null-Modem Cables (DTE) ....................................................................................................................... 10
DB9 Loopback Plugs................................................................................................................................. 11
Straight-Through Cables (DCE) .............................................................................................................. 11
Null-Modem Cables (DTE) ....................................................................................................................... 11
Troubleshooting ...................................................................................................................13
Before Calling Technical Support ........................................................................................................... 13
RocketPort uPCI Plus 422 Diagnostics .................................................................................................. 13
Bootable CD .............................................................................................................................................. 14
Running the Bootable Diagnostic CD ...................................................................................................... 14
Testing a Port or Ports ....................................................................................................................... 14
Stress Testing the RocketPort uPCI Plus 422 .................................................................................. 15
Exiting the Diagnostic ....................................................................................................................... 15
Troubleshooting Windows Systems......................................................................................................... 15
Troubleshooting Linux Systems .............................................................................................................. 23
Technical Support ....................................................................................................................................... 24
If the Diagnostic Fails........................................................................................................................ 15
Comtrol Utility.......................................................................................................................................... 16
Using PortMon to Test the Driver Installation ................................................................................ 18
Using Test Terminal to Test a Port ................................................................................................... 21
lcom(1) ....................................................................................................................................................... 23
File Transfer ............................................................................................................................................. 23
Changing Serial Port Settings (stty) ....................................................................................................... 23
Setting Up Terminals and Modems (mgetty, getty) ............................................................................... 23
Testing with minicom ............................................................................................................................... 23
Index........................................................................................................................................25
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Table of Contents - 3
Table of Contents
4 - Table of Contents RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Product Overview
Overview
The RocketPort uPCI Plus 422 series multiport serial card fits into the PCI slot of
a personal computer, and uses a 43 MHz processor that is specifically designed to
process asynchronous serial communications.
The RocketPort uPCI Plus 422 supports RS-422 exclusively, in either DTE or DCE
mode. It supports 3.3 and 5.0 volt PCI bus architecture and is compatible with 32and 64-bit PCI slots. The RocketPort uPCI Plus 422 card supports
communications speeds up to 921,600 baud.
The RocketPort uPCI Plus 422 series uses Comtrol Application Specific Integrated
Circuit (ASIC) technology to replace most hardware functionality to minimize
components, including:
• The processor
• A serial controller
• Bus interface logic and other miscellaneous logic
You can install up to four RocketPort uPCI Plus 422 cards in one computer,
providing a maximum of 32 additional serial ports. The PC must comply with the
PCI 2.2 specification or greater.
Supported Models
The RocketPort uPCI Plus 422 family consists of the following models:
• Quadcable (fanout cable) with four DB9 male connectors
• Octacable (fanout cable) with eight DB9 male connectors
Before Installing the RocketPort uPCI Plus 422
If you are planning on installing the RocketPort uPCI Plus 422 in a Windows
system make sure that you have placed the device driver assembly to a location
that is available to the host system before installing the card in the host.
You can use the Software and Documentation CD to locate the latest device drivers
and documentation. Optionally, you can use the links in the following subsection.
You may want to record the model and serial number of the RocketPort uPCI Plus
422 before installing the card in the event you need to call technical support.
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Overview - 5
Overview
Locating the Latest Drivers and Documentation
This table contains links the software and installation documentation.
Software or
Document
Location
Device drivers ftp://ftp.comtrol.com/html/RPuPCIplus422_drivers.htm
Diagnostic and
Utilities
ftp://ftp.comtrol.com/html/RPuPCIplus422_diag.htm
User Guides ftp://ftp.comtrol.com/html/RPuPCIplus422_docs.htm
6 - Overview RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Card and Interface Installation
DIP Switch
OFF
ON
DCE = On (Down)
DTE = Off (Up)
Factory Default Setting = DTE
Caution
Use the following procedure to install a RocketPort uPCI Plus 422 card.
1. If this is a Windows installation, copy the latest driver to your system before
installing the RocketPort uPCI Plus 422. See Locating the Latest Drivers and
Documentation on Page 6 to locate the latest driver and installation
documentation.
2. Turn off the host computer.
Note: You may want to write down the model number and serial number of
the card before installation.
3. If necessary, set the DIP switches for the appropriate communications mode.
The default DIP switch setting is DTE.
• DCE mode
ports.
• DTE mode
ports.
4. Remove the system cover from your computer.
5. Select a PCI expansion slot.
6. Remove the slot cover or release the clamp.
7. Insert the card into the slot and seat it securely.
8. Reinstall the expansion slot retaining screw or clamp.
Note: You may want to replace the system cover after the driver is installed
and running in the event that you need to change the DTE/DCE switch
setting.
Do not connect an interface to the card when the host system is
powered on, this can cause card failure.
, if necessary, set the DIP switch to ON on the corresponding
, if necessary, set the DIP switch to OFF on the corresponding
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Card and Interface Installation - 7
Card and Interface Installation
Caution
Octacable
DB9
9. Attach the DB78 end of the quadcable or octacable to the card.
Make sure that the connectors are properly
aligned and forcefully push the connector of
the Octacable with a rocking motion into the
card connector. Make sure that the connector
is seated tightly before tightening the
retaining screws on the connector.
10. Tighten the retaining screws on the connector.
11. Power on the host system.
12. Click Cancel if a Found New Hardware message
appears on a Windows operating system.
Execute the device driver file to start the driver installation.
For other operating system device drivers, see Locating the Latest Drivers and
Documentation on Page 6.
13. After installing the driver, you should verify that the ports are functioning
properly and then connect your serial devices.
You can use the Troubleshooting
section on Page 13 for port testing procedures
for your operating system.
Refer to Connecting
RS-422 Serial Devices on Page 9 for information about
connecting serial devices.
8 - Card and Interface Installation RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
DTE Versus DCE
Connecting RS-422 Serial Devices
This section provides information about the RocketPort uPCI Plus 422 connectors,
in the event that you need to build cables or loopback plugs.
A loopback plug is a serial port plug with pins wired together that you can use
with application (for example, the diagnostic, Test Terminal, or minicom) to test
serial ports. See
about using the test application shipped with the RocketPort uPCI Plus 422.
The DIP switch for the RocketPort uPCI Plus 422 ports are set to DTE at the
factory.
Most serial devices, except modems, are Data Terminal Equipment (DTE) devices.
Modems are Data Communication Equipment (DCE) devices.
How you build a cable depends on which device your are connecting to (DTE or
DCE). For example, you need a null-modem cable to connect the COM ports
(COM1 or COM2) on the computer or the RocketPort uPCI Plus 422 ports to
printers, terminals, bar code readers or DNC equipment. If you are connecting a
DTE device to a DCE device you need a straight-through modem cable.
• Straight-through cable (DTE to DCE) - connects TxD to TxD and RxD to RxD.
• Null-modem cable (DTE to DTE) - connects TxD to RxD and RxD to TxD.
Note: DTE and DCE modes are controlled with the DIP switch on the RocketPort
uPCI Plus 422 (see
information).
Before Calling Technical Support on Page 13 for information
Card and Interface Installation on Page 7 for
DB9 Serial Cables and Loopback Plugs
The following figures and table illustrate the signals present on DB9 connectors if
you need to build your own null-modem or straight-through DB9 serial cables.
Quadcables and octacables use DB9 male connectors.
• DB9 Signals (RS-422) on Page 10
• Straight-Through Cables (DCE) on Page 10
• Null-Modem Cables (DTE) on Page 10
• DB9 Loopback Plugs on Page 11
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Connecting RS-422 Serial Devices - 9
Connecting RS-422 Serial Devices
Pin 1
Pin 5
Pin 6
Pin 9
Male
TxD+
TxD-
RxD+
Signal
3
8
7
Pins
RxD-
RocketPort Sony DB9ConnectorDCE Mode
2
3
8
7
Pins
2
TxD+
TxD-
RxD+
Signal
RxD-
TxD+
TxD-
RxD+
Signal
7
2
3
Pins
RxD+
RxD-
Signal
TxD+
TxD-
RxD- 8
DTE Serial DeviceRocketPort DTE Mode
DB9 Signals (RS-
422)
Straight-Through Cables (DCE)
This subsection provides DB9 signal information. Refer to the
manufacturer’s installation documentation if you need help
with the connector pinouts or cabling for the serial device.
RS-422 DB9 Male Connector
Pins DCE Mode DTE Mode
1 Not used Not used
2 RxD- TxD-
3 TxD+ RxD+
4-6 Not used Not used
7 RxD+ TxD+
8 TxD- RxD-
9 Chassis Ground Chassis Ground
Note: DTE and DCE mode are controlled with the DIP switch on the RocketPort
uPCI Plus 422. See
Card and Interface Installation on Page 7 for
information. The factory default is set to DTE.
Use the following figure if you need to build an RS-422 straight-through cable for
DCE devices.
Null-Modem Cables (DTE)
10 - Connecting RS-422 Serial Devices RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Use the following figure if you need to build an RS-422 null-modem cable for DTE
devices.
Note: RS-422 signals are not standardized and each serial manufacturer uses
different pinouts. Refer to the serial device documentation to determine the
pinouts for the signals above.
Connecting RS-422 Serial Devices
RS-422 (Back View)
Pin 5Pin 1
Pin 9
Pin 6
Loopback
TxD+
TxD-
RxD+
Signal
3
8
7
Pins
RxD-
RocketPort Sony DB9ConnectorDCE Mode
2
3
8
7
Pins
2
TxD+
TxD-
RxD+
Signal
RxD-
TxD+
TxD-
RxD+
Signal
7
2
3
Pins
RxD+
RxD-
Signal
TxD+
TxD-
RxD- 8
DTE Serial DeviceRocketPort DTE Mode
DB9 Loopback Plugs RocketPort uPCI Plus 422 are shipped with a a single loopback plug. You can use
loopback plugs with application software (for example, Test Terminal) to test
serial ports.
Wire the following pins together to build additional plugs or replace a missing
loopback plug.
•Pins 2 to 8
•Pins 3 to 7
Note: DTE and DCE mode are controlled with the DIP
switch on the RocketPort uPCI Plus 422. See
Card
and Interface Installation on Page 7 for information.
The factory default is set to DTE.
Straight-Through Cables (DCE)
Null-Modem Cables (DTE)
Use the following figure if you need to build an RS-422 straight-through cable for
DCE devices.
Use the following figure if you need to build an RS-422 null-modem cable for DTE
devices.
Note: RS-422 signals are not standardized and each serial manufacturer uses
different pinouts. Refer to the serial device documentation to determine the
pinouts for the signals above.
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Connecting RS-422 Serial Devices - 11
Connecting RS-422 Serial Devices
12 - Connecting RS-422 Serial Devices RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Troubleshooting
If you are experiencing problems with the RocketPort uPCI Plus 422, review the
troubleshooting procedures for your system before calling Technical Support.
Before Calling Technical Support
Review the following information before calling Technical Support because they
will request that you perform many of the procedures or verifications before they
will be able to help you diagnose a problem.
• Verify the cabling using Connecting
Note: Most customer problems reported to Comtrol Technical Support are
eventually traced to cabling or network problems.
• If you have not done so, run the diagnostics (RocketPort uPCI Plus 422
Diagnostics on Page 13).
• Verify that you have installed the latest RocketPort uPCI Plus 422 device
driver, see Locating the Latest Drivers and Documentation
If necessary, remove or update the existing driver using the procedures in the
RocketPort uPCI Plus 422 Device Driver Installation Guide for Windows or
README file packaged with the FreeBSD, Linux, QNX, or SCO OpenServer
driver.
If none of the above work, you can refer to one of these subsections:
• Troubleshooting Windows Systems
• Troubleshooting Linux Systems
RS-422 Serial Devices on Page 9.
on Page 6.
on Page 15
on Page 23
RocketPort uPCI Plus 422 Diagnostics
This subsection describes how to create and run the bootable diagnostic to verify
that the RocketPort uPCI Plus 422 hardware is functioning properly. The
RocketPort uPCI Plus 422 is shipped with a bootable diagnostic on the Software
and Documentation CD that executes hardware diagnostics.
You can use the diagnostic to:
• Confirm that the hardware is functioning
• Determine resolutions to conflicts during installation
• Perform a stress test on all RocketPort uPCI Plus 422 ports in the system
The diagnostic requires a loopback plug to test a port or ports. A single loopback
plug is shipped with the RocketPort uPCI Plus 422. You can build additional
loopback plugs or move the loopback plug to the port you want to test. See
Connecting
RS-422 Serial Devices on Page 9 if you want to build loopback plugs.
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Troubleshooting - 13
Troubleshooting
Bootable CD Use the following procedure to create a bootable Diagnostic CD.
1. Copy the .iso file to a temporary location.
The diagnostic .iso file can be copied from the Software and Documentation
CD or you can download the latest version (Locating the Latest Drivers and
Documentation on Page 6).
2. Burn the image to a CD-ROM.
Note: An .iso file cannot be copied onto a CD but must be burned using an
application that burns the image to the CD. If you do not have an
application available, you can use a freeware application that is on the
Comtrol Software and Documentation CD or download it at: ftp://
ftp.comtrol.com/iso/IsoBurner/.
3. To run the diagnostic, you will need at least one loopback plug. A loopback
plug was shipped with the RocketPort uPCI Plus 422. To build a loopback
plug, see DB9 Loopback Plugs
on Page 11.
4. To start the diagnostic, reboot your system with the Diagnostics CD in the
drive and follow the instructions in the diagnostic.
Running the Bootable Diagnostic CD
Testing a Port or Ports
Use the following procedure to run the diagnostics.
Note: If the diagnostic goes into sleep mode while unattended, press the Num Lock
key to activate the screen. Use Ctrl/Alt Delete to kill the diagnostic process at
any time.
1. Insert the bootable CD that contains the diagnostic and restart your machine.
Note: If the Diagnostic CD does not boot the PC, you may need to change your
BIOS settings so that the PC can boot from a CD drive.
The diagnostic starts automatically and takes a few moments before the first
screen appears.
Note: If the diagnostics did not detect the RocketPort uPCI Plus 422, the
adapter has a hardware failure, contact Technical support (Page 24).
2. Press Any Key at the disclaimer screen to begin the diagnostic.
3. Press Any Key at the Please Note screen about RocketPort ISA.
4. Press Enter to Are there ISA boards installed? in the VERIFY TEST screen.
5. Press Enter to the Is this board configured for RS-422? query.
Note: The caution at the bottom of the screen that the RS-232 test will fail
when run on an RS-422 port.
6. Press Enter to the Is this board configured for RJ45 cables? qquery.
7. Select from the following options and use the appropriate steps:
• Testing a Port or Ports
• Stress Testing the RocketPort uPCI Plus 422
8. Enter 1 to 4 and press Enter to test a port or ports on a specific RocketPort
uPCI Plus 422 or on multiple adapters.
9. Press Enter to test ALL ports on the RocketPort uPCI Plus 422 or enter the
port number of a port that you want to test.
10. Follow the instructions on the screen. If you are testing all of the ports and
have only one loopback plug, you must move it from port to port during the
test.
Note: Port 0 in the diagnostic is Port 1 on the octacable or interfaces.
The diagnostic will provide hardware status on the TESTING SERIAL I/O,
MODEM CONTROL AND IRQ screen. The Modem Control tests correctly
display N/A (because there are no modem control signals in RS-422 mode).
14 - Troubleshooting RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Troubleshooting
11. Choose from the following options:
• Press Q to quit the diagnostic without reviewing the Test Summary screen.
• Press R to return to the board test screen.
• Press any key or Enter to review the Test Summary screen, which provides
the ability to restart (Y) or quit (N) the diagnostic.
Stress Testing the RocketPort uPCI Plus 422
Select S and press Enter to access the STRESS TEST screen. Make sure that you
have a loopback plug installed on each port on each adapter.
The stress test uses a default configuration to simultaneously stream data to all
ports of the RocketPort uPCI Plus 422 cards in a system until you stop the test.
The following options are available:
• To stop the test and review the results of the stress test, enter S.
• To return to the board test screen, press R.
Exiting the Diagnostic
To end the diagnostic, you may need to select b to return to a screen that contains
a q to quit. Type reboot, select Enter, and remove the CD from the drive when
prompted.
If the Diagnostic Fails
If the diagnostic fails, try the following before contacting Technical Support.
1. Turn off the power and reseat the RocketPort uPCI Plus 422 card into the slot.
2. Try running the diagnostics again. If they fail again, you may have a bad port,
contact Technical Support
Troubleshooting Windows Systems
If you are using a RocketPort uPCI Plus 422 driver on a Windows system and the
diagnostic verified that the card is functional, you can check the following:
1. Verify that the RocketPort uPCI Plus 422 has installed by checking the Device
Manager to verify that the RocketPort uPCI Plus 422 card displays.
2. Verify that you are addressing the port correctly.
In many applications, device names above COM9 require the prefix \\.\ in
order to be recognized. For example, to reference COM20, use \\.\COM20 as
the file or port name.RocketPort uPCI Plus 422.
3. After driver installation, if a port does not open; go to Ports COM & LPT, right-
click on the yellow exclamation mark on the port, and click Update Driver. Use
the same procedure used when installing the ports that are detected with plug
and play systems.
4. Enable the Verbose Event Log feature on the Options tab of the RocketPort uPCI
Plus 422 driver and then reboot the server.
5. Install and use one of the tools in the Comtrol Utility package. Use the
following subsection, Comtrol Utility, below for installation and adapter
testing procedures.
on Page 24.
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Troubleshooting - 15
Troubleshooting
Comtrol Utility The Comtrol Utility is available on the Software and Documentation CD or you
can download
(Page 6) the latest version. The file is a self-extracting zip file that
automatically starts the installation procedure. It is not necessary to reboot the
PC after installation.
The Comtrol Utility package includes the following applications that you can access from the Comtrol Program group:
• Port Monitor (PortMon2) checks for errors, modem control, and status signals.
In addition, it provides you with raw byte input, output counts, and confirm
that the device driver is functioning. It can determine if the ports are in use by
another application.
• Test Terminal (WCOM2) can be used to troubleshoot communications on a port-
by-port basis (Using Test Terminal to Test a Port
on Page 21). Test Terminal
requires a loopback plug. You can build a loopback plug if you are missing the
loopback plug shipped with the adapter (Connecting
RS-422 Serial Devices on
Page 9).
Use the following
procedure to install the
Comtrol Utility package.
1. Execute the
Comtrol_Utility_Pack
age_x.xx.msi file,
where x_xx is the
Comtrol Utility
version number.
2. Click Next.
3. Click Next.
16 - Troubleshooting RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
4. Click Install.
5. Click Finish.
Troubleshooting
6. Go to Using PortMon to Test the Driver Installation
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Troubleshooting - 17
on Page 18.
Troubleshooting
Using PortMon to Test the Driver Installation
You can use PortMon to check whether the RocketPort uPCI Plus 422 can
communicate through the device driver for Windows. If necessary, use Comtrol
Utility on Page 16 to install PortMon.
1. From the Start menu, select Programs > Comtrol > Utilities > Port Monitor
(PortMon2).
2. Click Add Ports using the icon or Tools > Add Ports, click Driver, ROCKETPORT,
and click Ok.
18 - Troubleshooting RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Troubleshooting
3. If the RocketPort uPCI Plus 422 is communicating with the device driver for
Windows, Port Monitor should display CLOSED status. If a port is open for an
application, it displays as OPEN, and displays Actual Throughput, TxTotal and
RxTotal statistics.
Normally, there should be no data errors recorded or they should be very
small. To find out what the actual errors are, scroll to the right. You will see
three columns: Overrun Errors, Framing Errors, and Parity Errors.
If the errors are:
• Overrun Errors represent receive buffer overflow errors. If this is the case,
you will have to configure either software or hardware handshaking to
control the flow of data. The most common errors are Overrun errors.
• Framing Errors indicate that there is an synchronization error between the
beginning of a data frame and the end of the data frame. A frame usually
consists of a start bit, 8 data bits, and a stop bit or two. The framing error
occurs if the stop bit is not detected or it occurs in the wrong time frame.
Most causes for framing errors are electrical noise on the data lines, or
differences in the data clocks of the RocketPort uPCI Plus 422 and the
connected device.
• Parity Errors occur when parity is used and the parity bit is not what is
expected. This can also be caused by noise on the data lines.
4. You can view additional statistics to Port Monitor by adding columns. Click
Tools and Add Columns.
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Troubleshooting - 19
Troubleshooting
5. Highlight or shift-click to add multiple statistics and click Ok.
Note: See the Port Monitor help system if you need an explanation of a
column.
6. Scroll to the right to view the new columns.
7. If you want to capture this session, you can save a current session as a report.
To do this, select one of the following save options:
• File > Save As
• File > Save - if the report already exists in an older format
• Save Active Session button
Reports can be opened, viewed and re-used when needed. To open and view a
report:
a. Select File > Open or the Open Existing Session button. The Open
Session dialog appears.
b. Locate the session (table), you want to open and click the Open button.
Optionally, if you want to continue monitoring for an existing session, you
need to activate the Polling Interval.
• Select Tools > Settings to access the PMon2 Settings dialog
• Change the Polling Interval field to a value other than zero (0)
8. Leave Port Monitor open so that you can review events when using Test
Terminal to test a port or ports.
20 - Troubleshooting RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Troubleshooting
Using Test Terminal to Test a Port
Test Terminal (WCom2) allows you to open a port, send characters and commands
to the port, and toggle the control signals. This application can be used to
troubleshoot communications on a port-by-port basis.
The Send and Receive Test Data sends data out the transmit line to the loopback
plug, which has the transmit and receive pins connected thus sending the data
back through the Rx line to Tes t Ter min a l, which then displays the received data in
the terminal window for that port. This test is only testing the Tx and Rx signal
lines and nothing else. A failure in this test will essentially prevent the port from
working in any manner.
The Loopback Test tests all of the modem control signals such as RTS, DTR, CTS,
DSR, DCD, and RI along with the Tx and Rx signals.
Note: This test will fail and is expected to fail since RS-422 does not have the
modem control signals that are present in RS-232 for which this test is
designed.
The following procedure shows how to use Test Terminal to send and receive test
data to the serial ports and run a loopback test. If necessary, install the Comtrol
Utility package using Comtrol Utility
on Page 16.
1. Stop all applications that may be accessing the ports such as RRAS or any
faxing or production software. See the appropriate help systems or manuals
for instructions on stopping these services or applications.
If another application is controlling the port, then Te s t Te rm i na l will be unable
to open the port and an error message will be shown.
2. From the Start menu, select Programs > Comtrol > Utilities > Test Terminal
(WCom2).
3. Select File > Open Port, the
appropriate port (or ports)
from the Open Ports drop list
and Ok.
Note: If you left Port Monitor
open from the previous
subsection, you should
show that the port is
open.
4. Install the loopback plug (DB9
Loopback Plugs on Page 11)
onto the port (or ports) that
you want to test.
5. Select Port > Send and Receive
Tes t Data .
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Troubleshooting - 21
Troubleshooting
You should see the
alphabet scrolling
across the port. If so,
then the port installed
properly and is
operational.
Note: If you left Port
Monitor
running, it
should show
data sent and
received and
show the
average data
throughput on
the port.
6. Select Port > Send and
Receive Test Data to stop
the scrolling data.
7. Close Tes t Te rm in al .
If this test successfully completed, then the port is operational as expected.
Note: Do NOT forget to restart the communications application.
22 - Troubleshooting RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Troubleshooting
Troubleshooting Linux Systems
You can use the following subsections to test the serial ports.
lcom(1) Comtrol has available lcom(1), which is a multiport serial I/O test program. You
can use lcom in test mode to send test data to any serial port.
lcom is available on the Software and Documentation CD or you can download
latest version.
Note: For assistance using lcom, use the manual page, lcom(1) that accompanies
the program.
File Transfer You can transfer a file using the following information. The default settings are
9600, 8, n, 1, and no parity. To send a file you can redirect output to a device; for
example:
cat /etc/inittab > /dev/ttyR0
Sends the contents of the /etc/inittab file to the ttyR0 device at 9600 baud, 8, n, 1,
and no parity.
the
Changing Serial Port Settings (stty)
Setting Up Terminals and Modems (mgetty, getty)
Testing with minicom
Use the following information if you need assistance changing or viewing the baud
rate settings.
To change the baud rate, use the following example, which changes the baud rate
to 19200:
stty 19200 </dev/ttyR0
To view the current serial port settings for ttyR0, enter:
stty -a </dev/ttyR0
Note: Settings changes via stty are only valid during current log in session. For
permanent setting changes, use the /etc/inittab file.
Add the appropriate line or lines to the /etc/inittab file then restart.
Terminal Example:
T0:23:respawn:/sbin/agetty -L ttyR0 57600 vt100
Modem Example:
T1:23:respawn:+/sbin/mgetty -m ‘”” AT&F OK’ -D -x9 -s 115200 ttyR0
Note: If necessary, see the manual pages for more information on mgetty.
You can also use minicom, which shipped with most Linux distributions, to test the
serial ports. A Comtrol document is available for using minicom
.
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Troubleshooting - 23
Troubleshooting
Technical Support
Comtrol has a staff of support technicians available to help you. You should review
Before Calling Technical Support
on Page 13 before calling Technical Support. If
you call for Technical Support, please have the following information available:
• Model number
• Serial number
• Interface type
• Operating system type, release, and service package, and if Linux, the kernel
version
• Device driver version
• Computer make, model, speed, and single or dual processor
• List other devices in the computer and their addresses
Contact Method Corporate Headquarters
Support http://www.comtrol.com/pub/en/Support
Web site http://www.comtrol.com
Phone 763.494.4100
Downloads ftp://ftp.comtrol.com/html/default.htm
Note: See Locating the Latest Drivers and Documentation
additional links.
on Page 6 for
24 - Troubleshooting RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Index
A
attach
interface 8
serial devices 9
B
bootable diagnostic
using 13
C
cables
null-modem (DTE to DTE) 10, 11
straight-through (DCE to DTE) 10, 11
card
installation 7
troubleshooting 13
Comtrol
contact information 24
connect
serial devices 9
D
DB9
loopback plugs 11
signals 10
DCE to DTE cables 10, 11
device drivers
download 6
devices
connect serial 9
diagnostics
using 13
documentation
download 6
download
drivers 6
Downloads 24
drivers
download 6
DTE to DTE cables 10, 11
DTE Versus DCE 9
I
installation
before 5
card 7
download documents 6
octacable 8
quadcable 8
troubleshooting 13
interface
quad/octacable installation 8
L
lcom
Linux test application 23
Linux
minicom
test serial ports 23
loopback plugs 11
N
null-modem cable 10
O
octacable
DB9 connectors 9
installation 8
P
phone number
Comtrol 24
Port Mon itor 16
ports
testing
Linux 23
Windows 15
product overview 5
Q
quadcable
DB9 connectors 9
installation 8
R
RJ45
loopback plug 11
RS-422
DCE straight-through cables 10, 11
DTE null-modem cables 10, 11
S
Send and Receive Test Data 21
serial devices
connect 9
signals
DB9 10
straight-through cables 10
T
Technical Support 24
Test Terminal 16
RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B Index - 25
Index
testing ports
Linux 23
Windows 15
troubleshooting 13
W
web site 24
26 - Index RocketPort uPCI Plus 422 User Guide: 2000370 Rev. B
Loading...