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Summary of Contents for CoolGear USB-COMi
- Page 1 USB to RS-422/485 DB9 Adapter Optical Isolation & Surge Protection Model Number: USB-COMi Installation Guide Coolgear, Inc. Version: 1.0 Date: 04/11/2024...
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Page 2: Table Of Contents
Adapting the new technology, the serial port expansion now takes the new bus with easy and convenient connectivity. Plugging the USB-COMi-SI USB to Industrial Single Serial Adapter to the USB port, the adapter is automatically detected and installed. There are no IRQ & COM port conflicts, since the port doesn’t require any additional IRQ, DMA, memory as resources on the... -
Page 3: Optical Isolation & Surge Protection
2. Optical Isolation & Surge Protection Optical isolation and surge protection are available to USB-COMi-SI. The output port Of USB-COMi-SI is optically isolated with 2000 Volt DC optical isolation. The optical isolation protects your PC or notebook from spikes and surges on the RS-422/485 network, by converting the electrical pulse into an optical signal and then changing it back into an electrical pulse. -
Page 4: Open The Case
Tx, Rx, CTS 120 Ohm termination resistors and Tx, Rx 750 Ohm BIAS resistor. You will need to open up the case and set the jumper setting to activate termination and BIAS as per the requirements of your application. Need help? Visit: coolgear.com/support... - Page 5 BIASing of the data transmission lines. Generally this must be done in the cabling, since this depends on the installation of connections. Before applying the option, check your cable specification for proper impedance matching. 7 x 3 header block to enable Termination and BIAS resistors Need help? Visit: coolgear.com/support...
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Page 6: Windows 11/10/8/8.1/7/Vista/2003/Xp/2000 Driver Installation
finish installing the driver files. If your product did not come with an installation CD, download the drivers for the product available at: https://www.coolgear.com/files/FTDI-Latest.zip 1. Download and extract the FTDI-Latest folder to your desktop or another appropriate location 2. Navigate to the appropriate folder corresponding to your OS 3. -
Page 7: Mac Os Driver Installation
“Check installation” section and confirm the device is not already functioning before proceeding with these steps. 1. Download the FTDI-Latest file package from https://www.coolgear.com/files/FTDI-Latest.zip. 2. Open the archive and navigate to FTDI-Latest/MacOS and select the appropriate folder corresponding to your OS version, extract the contents of the folder to your desktop or another location. -
Page 8: Check Installation
Device Manager of the System Properties screen. (Go there by Start-Setting- Control Panel-System Properties-Hardware-Device Manager. The device should have been installed as a "USB Serial Port (COMx)" attached to "USB Serial Converter (A/B or A/B/C/D)". Need help? Visit: coolgear.com/support... -
Page 9: Change Com Port Properties & Com Port Number
2. Right click on the windows icon / start button 3. Click on “Device Manager” in the menu 4. **Alternative method – Search “Device Manager” in the start menu / search bar and open Device Manager Need help? Visit: coolgear.com/support... - Page 10 – Installation Guide USB to RS-422/485 DB9 Adapter Optical Isolation & Surge Protection 5. Locate your device under the “Ports (COM & LTP)” section of device manager. 6. Right click on the device, and select “Uninstall Device” Need help? Visit: coolgear.com/support...
- Page 11 10. Select “Delete the driver software for this device” in the Uninstall prompt, and click “Uninstall” Note : If you have more than one USB Serial Converter installed in your PC, you need to repeat steps 8 - 10 to delete the driver software for each converter. Need help? Visit: coolgear.com/support...
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Page 12: Pinouts
TxD- (A) Pin 2 TxD+(B) Pin 3 RxD+(B) Pin 4 RxD-(A) Pin 5 Pin 6 RTS- (A) Pin 7 RTS+(B) Pin 8 CTS+(B Pin 9 CTS- (A) RS-422 Signal Wiring ● Point-to-Point 4 Wire Full Duplex Need help? Visit: coolgear.com/support... - Page 13 Pin 2 Tx+(B) Pin 3 Rx+(B) Pin 4 Rx-(A) Pin 5 RS-485 2-Wire (Half duplex) Signal Pin-outs of DB-9 Male Pin 1 Data- (A) Pin 2 Data+(B) Pin 3 RS-485 Signal Wiring ● Point-to-Point 4-Wire Full Duplex Need help? Visit: coolgear.com/support...
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Page 14: Specifications
Device connection (Windows). Serial Interface Interface RS-422/485 Number of Ports Connector DB9 male Max Speed Data transfer rates from 300 baud to 3 Mbaud RS-422 Signals TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, Need help? Visit: coolgear.com/support... - Page 15 Power supplied via USB (5V) connector No external power needed Mechanical Casing Plastic, ABS Environmental Operating Temperature 0°C to 55°C (32°F to 131°F) Storage Temperature -20°C to 75°C (-4°F to 167°F) Operating Humidity 5% to 95% RH Safety Approvals CE, FCC Need help? Visit: coolgear.com/support...
- Page 16 Technical Support When you reach out to Coolgear support, you’ll find yourself in the hands of a solution-oriented and knowledgeable expert ready to answer whatever question you throw at them. If you ever need help with your product, visit coolgear.com/support for support tickets, downloads, and other support resources.
- Page 17 (iv) normal wear and tear; (v) damage to or loss of repaired or replaced Products during shipping by Coolgear except when such damage or loss is caused by poor or inadequate packaging by Coolgear; or (vi) Products purchased outside the United States.
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