Sena DirectPort-USB User manual

DirectPort-USB
USB-Serial Converters
User Guide
Rev 1.0.0
Mar 8, 2010
Sena Technologies, Inc.

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Copyright
Copyright 2010, Sena Technologies, Inc. All rights reserved.
Sena Technologies reserves the right to make changes and improvements to its product without providing
notice.
Trademark
Windows® is a registered trademark of Microsoft Corporation.
Notice to Users
When a system failure may cause serious consequences, protecting life and property against such
consequences with a backup system or safety device is essential. The user agrees that protection against
consequences resulting from system failure is the user's responsibility.
This device is not approved for life-support or medical systems.
Changes or modifications to this device not explicitly approved by Sena Technologies will void the user's
authority to operate this device.
Precautions and Safety
Do not drop or subject the device to impact. Damage to your products may result fromimproper use.
Keep away from harsh environments including humid, dusty, and smoky areas. Damage to your products
may result from improper use.
Do not attempt to disassemble the device. Damage to your products may result fromimproper use.
Do not place heavy objects on the product. Damage to your products may result fromimproper use.
Contact Information
Technical support email: [e-mail]
Company website: http://www.sena.com

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Contents
1. Overview.................................................................................................................................................. 4
2. Specifications........................................................................................................................................... 5
3. DirectPort-USB UC1 Settings................................................................................................................... 6
3.1 DB9 Male Connector....................................................................................................................... 6
3.2 Line Connection for Terminal........................................................................................................... 6
3.3 Line Connection for Modem............................................................................................................ 6
4. DirectPort-USB UC1B (RS422/485) Settings............................................................................................ 7
4.1 DB9 Male Connector....................................................................................................................... 7
4.2 JP1 Slew: RS422/RS485 Slew Rate Limit Function Settings............................................................ 7
4.3 JP2 RT: RS422/RS485 Terminal Resistor Settings........................................................................... 7
4.4 JP3 RT: RS485 Echo/Non-echo Mode Settings ............................................................................... 8
4.5 JP4 422/485 SEL: RS422/RS485 Interface Settings........................................................................ 8
4.6 RS422 Point-to-Point/Multi-Drop Settings........................................................................................ 8
4.7 Line Connection for RS422 Point-to-Point....................................................................................... 8
4.8 Line Connection for RS422 Multi-Drop............................................................................................ 9
4.9 Line Connection for RS485 ............................................................................................................. 9
5. Driver Installation for Windows 98..........................................................................................................10
6. Automatic Driver Installation for Windows............................................................................................... 12
7. Manual DriverInstallation inWindows 2000/XP/2003............................................................................. 14
8. Manual Driver Installation for Windows Vista/2008.................................................................................. 19
9. Manual Driver Installation for Windows 7................................................................................................22
10. Windows Device Driver Setup.............................................................................................................. 26
11. RemovingWindows 98/2000/XP/2003 Driver........................................................................................29
12. Removing Windows Vista/2008/7 Driver............................................................................................... 33
13. Regulatory Information.........................................................................................................................36
FCC Compliance Statement................................................................................................................36
CE Declaration of Conformity.............................................................................................................. 36

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1. Overview
DirectPort-USB is a high performance USB-to-Serial converter designed to provide serial connectivity (COM
port) via USB port. Users can easily add serial ports to PCs without or limited native serial ports. DirectPort-
USB supports RS232 or RS422/485 up to 921.6 Kbps and provides ESD protection up to ±15KV.

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2. Specifications
Serial speed Up to 921.6 Kbps
Communication distance RS232 up to 15m, RS422/485 up to 1.2 Km
RS422/485 multi-drop Up to 127 nodes
Bus interface USB 2.0
Line interface RS232 or RS422/485
UART controller 16C550
Connector DB9 male
LED Tx, Rx
Dimension 33.4 mm X 61.0 mm (1.31 in X 2.40 in)
Weight 70 g
Surge protection Up to ± 15KV
Power Using USB interface power (no external power required)
Supported OS Windows 98/98SE/ME/2000/XP/2003
Windows Vista/Longhorn
Windows XP 64bit
Windows XP Embedded
Windows CE.NET 4.2 & 5.0
Windows Vista 64 bit
Windows 7
Windows 7 64 bit
Mac OS 8/9, OS-X
Linux 2.4 and greater (*)
Approval CE, FCC
Warranty 1-year limited warranty
*: If you would like to use DirectPort-USB for Linux, please contact [e-mail]

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3. DirectPort-USB UC1 Settings
3.1 DB9 Male Connector
3.2 Line Connection for Terminal
3.3 Line Connection for Modem

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4. DirectPort-USB UC1B (RS422/485) Settings
4.1 DB9 Male Connector
RS422 RS485 
4.2 JP1 Slew: RS422/RS485 Slew Rate Limit Function Settings
Select ‘Slew Rate Limit function on’ to reduce electromagnetic waves. Maximum serial
communication speed is restricted to 250Kbps when this function is on.
Slew Rate Limit allows communication without errors by activating slew-rate driver to reduce
reflection waves and EMI electromagnetic waves. However, communication speed is limited when it
is used.
4.3 JP2 RT: RS422/RS485 Terminal Resistor Settings
Off (Default) On
RS422 Terminal
Resistor
RS485 Terminal
Resistor
Unused
(Default)

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4.4 JP3 RT: RS485 Echo/Non-echo Mode Settings
4.5 JP4 422/485 SEL: RS422/RS485 Interface Settings
4.6 RS422 Point-to-Point/Multi-Drop Settings
DirectPort-USB support auto-toggling data transfer, so there are no hardware settings.
4.7 Line Connection for RS422 Point-to-Point
Echo-Mode Non-Echo Mode
(Default)
RS422(Default) RS485

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4.8 Line Connection for RS422 Multi-Drop
4.9 Line Connection for RS485
Terminal Resistor: 120 Ohm
There is no distinction of host and terminal in RS485

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5. Driver Installation for Windows 98
1. Run Windows 98.
2. Connect DirectPort-USB to the USB connector of the PC.
3. Click “Next”.
4. Click “Next”

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5. Check “Specify a location” and specify correct location of Windows 98 device driver. If you have the
driver CD provided with DirectPort product, put it into the CD-ROM drive and specify the location of the
driver as “D:\Win98”. Then click “Next”.
6. Click “Finish”to complete the installation process.
7. Repeat steps 3-6 when “Add New Hardware Wizard”restarts.

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6. Automatic Driver Installation for Windows
This procedure applies to Windows 2000, XP, 2003, Vista, 2008 and Windows XP, 2003, Vista,
2008 x64. If you want to install device drivers manually, please refer to manual installation pages.
1. Run Windows.
2. Connect DirectPort-USB to your PC’s USB port.
3. Insert install CD into the CD-ROM drive.
4. If a “Found New Hardware”window appears, click “Cancel”.
5. Go to “[CD]\Win2000,XP,2003,Vista,2008,7”. Execute “CDM20600”.

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6. When the following windows appears, click “Run”.
7. Device drivers will be installed automatically.
8. After the installation is completed, the program will terminate. Go to “Control Panel”“Device Manager”
or right click “Computer”“Device Manager”to open Device Manager. You will be able to see that “USB
Serial Converter”and “USB Serial Port”is successfully installed.

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7. Manual Driver Installation in Windows 2000/XP/2003
Install procedures for 64bit drivers are identical to 32bit drivers
1. Run Windows 2000/XP/2003.
2. Connect DirectPort-USB to your PC’s USB port.
3. Insert installCD into the CD drive.
4. Select “No, not this time”, then click “Next”
5. Select “Install software automatically (Recommended)”, then click “Next”.

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6. Click “Finish”.
7. Steps 4 through 6 automatically install drivers in the CD. “USB Serial Converter”will all be automatically
installed.
8. Following picture depicts “Device Manager”after step 7, As can be seen “USB Serial Converters”are
successfully installed. The number of lines may vary depending on the product you are using.

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9. Select “No, not this time”to install “USB Serial Port”, then click “Next”
10. Following procedures will guide you through installing “USB Serial Port”. Select “No. Do not connect
now”, and then click “Next”

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11. Click “Finish”
12. Steps 9 through 11 automatically install drivers in the CD. “USB Serial Port” will all be automatically
installed.
13. Following picture depicts “Device Manager” before serial port installation, The number of lines may vary
depending on the product you are using.

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14. Following picture depicts “Device Manager” after carrying out all steps. As can be seen “USB Serial
Converters”and “USB Serial Ports”are successfully installed.
15. DirectPort-USB installation onWindow 2000/XP/2003 is now finished.

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8. Manual Driver Installation for Windows Vista/2008
Install procedures for 64bit drivers are identical to 32bit drivers
1. Run Windows Vista
2. Connect DirectPort-USB to your PC’s USB port.
3. Insert media CD(provided with DirectPort) into the CD drive
4. Click “Locate and install driver software (recommended)”on the “Found New Hardware”window.
5. Step 4 will automatically install drivers in the CD. Dual RS232 will automatically be installed.
6. Following picture depicts Device Manager after carrying out step 4. As can be seen, all “USB Serial
Converters”are successfully installed. The number of lines may vary depending on the product you are
using.

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7. Following procedures will guide you through installing “USB Serial Port”. Select ‘Don’t search online’
8. Click “Locate & Install driver software (recommended)”on the“New hardware found”window