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8 Port USB to RS-

232/422/485 Octal 

Adapter

 

Product Manual 

Coolgear, Inc. 
Version 1.1 
April 2018 
Model Number:

 USB-8COMi-RM 

www.coolgear.com 

Summary of Contents for USB-8COMi-RM

Page 1: ...8 Port USB to RS 232 422 485 Octal Adapter Product Manual Coolgear Inc Version 1 1 April 2018 Model Number USB 8COMi RM www coolgear com ...

Page 2: ...the product an understanding of its use with detailed diagrams and verbiage The manual allows the users to apply the product to their application Intended Audience This product is intended for use in numerous industries including but not limited to applications such as POS factory automation equipment multi drop data collection devices bar code readers time clocks scales data entry terminals PC to...

Page 3: ...indows 2003 XP 2000 Drivers 8 5 Uninstalling Windows 7 or Vista Drivers 11 6 Signal Pin outs Wiring 14 6 1 RS 422 Signal Wiring 15 6 2 RS 485 Signal Wiring 16 7 Notes Tips and Warnings 17 8 Supporting References 19 Table of Figures Figure 1 Driver Installation 7 Figure 2 3 4 5 6 7 Uninstalling 2003 XP 2000 Windows Drivers 9 10 Figure 8 9 10 11 12 Uninstalling Windows 7 or Vista Drivers 11 13 Figur...

Page 4: ...atures TAA Compliant Adds 8 high speed RS 232 422 485 serial ports 128 byte transmit buffer for high speed data throughput Requires no IRQ DMA I O port Data rates 300 bps to 921 6K bps Serial Connector one DB 9 male connector Auto transmitting of buffer control for 2 wire RS 485 half duplex operation Termination resistors installed on board RS 232 data signals DCD RxD TxD DTR GND DSR RTS CTS RI RS...

Page 5: ...W1 Port 1 SW2 Port 2 SW3 Port 3 SW4 Port 4 SW5 Port 5 SW6 Port 6 SW7 Port 7 SW8 Port 8 Operation Mode S1 S2 S3 S4 RS 232 Standard RS 232 Mode OFF ON ON ON RS 422 4 wire with Handshaking ON ON ON ON RS 485 Full Duplex 4 wire ON OFF ON ON Half Duplex 2 wire With Echo ON OFF OFF ON Half Duplex 2 wire Without Echo ON OFF OFF OFF JP1 Port 1 JP2 Port 2 JP3 Port 3 JP4 Port 4 JP5 Port 5 JP6 Port 6 JP7 Por...

Page 6: ...e populated for RS 422 mode 9 10 Pull up Rx to VCC by 750 Ohm Bias resistor This jumper should be populated for pull up Rx 11 12 Pull down Rx to GND by 750 Ohm Bias resistor This jumper should be populated for pull down Rx 13 14 CTS Termination of 120 Ohm This jumper should always be populated for RS 422 mode Note Sometimes when operating in RS 422 or RS 485 it is necessary to configure terminatio...

Page 7: ...ed with the following steps to install the driver 1 Insert the USB COM Series Driver and Utility CD into your CD ROM 2 The USB COM Series Driver and Utility CD dialog box appears 3 Under Driver Installation double click Windows 7 Vista 2003 XP 2000 driver to install the device driver 4 The USB COM install program will auto detect the OS type and install the driver automatically Note in Windows 7 o...

Page 8: ...y in use To change the virtual COM port properties Select the USB Serial Port Click Properties Select Port Setting and Advanced Click the drop down arrow on COM Port Number and scroll to the required COM port Select OK Return to the Device Manager Screen You will see that the USB Serial Port installation has been changed to the new COM Port Number 4 2 Uninstalling Windows 2003 XP 2000 Drivers Plea...

Page 9: ...5 You need to disconnect all USB to Serial Adapters from your PC when the message below appears Double click OK to start uninstalling Windows 2003 XP 2000 USB to Serial drivers Figure 3 6 Double click Yes to confirm it Figure 4 7 Click No to proceed Figure 5 ...

Page 10: ...d select Control Panel 10 Open the Add or Remove program Figure 7 11 Remove the first Windows Driver Package FTDI CDM Driver Package 12 Click Change Remove and Yes to remove the first Windows Driver Package 13 Remove the second Windows Driver Package FTDI CDM Driver Package 14 Click Change Remove and Yes to remove the second Windows Driver Package 15 Reboot the computer to complete the driver unin...

Page 11: ...ps to uninstall the Vista driver 1 The USB to serial devices must connect to the PC 2 Press Start button and select Control Panel 3 Select Classic View from the top left hand corner and then System from the list 4 Select Device Manager from the top left hand corner Figure 8 5 Locate your device under the ports COM LPT section and right click on it to bring up the menu shown Figure 9 ...

Page 12: ...device in the next window and press OK Figure 10 Note if you have more than one USB Serial Port COMx installed in your PC you need to repeat from step 5 to step 6 to delete the driver software for each port 7 Locate your Device under the Universal Serial Bus Controllers section and right click on it to bring up the menu shown Figure 11 ...

Page 13: ...d be sure to click the box for Delete the driver software for this device in the next window and press OK Figure 12 Note if you have more than one USB Serial Converter installed in your PC you need to repeat step 7 and step 8 to delete the driver software for all devices ...

Page 14: ...ing RS 232 Signal Pin outs of DB 9 Male Pin 1 DCD Pin 2 RxD Pin 3 TxD Pin 4 DTR Pin 5 GND Pin 6 DSR Pin 7 RTS Pin 8 CTS Pin 9 RI RS 422 Signal Pin outs of DB 9 Male Pin 1 TxD A Pin 2 TxD B Pin 3 RxD B Pin 4 RxD A Pin 5 GND Pin 6 RTS A Pin 7 RTS B Pin 8 CTS B Pin 9 CTS A ...

Page 15: ...oint to Point 4 Wire Full Duplex Figure 13 RS 422 with Handshaking Figure 14 RS 485 4 Wire Full duplex Signal Pin outs of DB 9 Male Pin 1 Tx A Pin 2 Tx B Pin 3 Rx B Pin 4 Rx A Pin 5 GND RS 485 2 Wire Half duplex Signal Pin outs of DB 9 Male Pin 1 Data A Pin 2 Data B Pin 5 GND ...

Page 16: ...16 USB 8COMi RM Product Manual www coolgear com 6 2 RS 485 Signal Wiring Point to Point 4 Wire Full Duplex Figure 15 Multi drop RS 485 2 Wire Half duplex Figure 16 ...

Page 17: ...r to the USB port of your computer before you finish driver installation Reference section 3 Note if you have more than one USB Serial Converter installed in your PC you need to repeat step 7 and step 8 to delete the driver software for all devices Reference section 5 step 8 Tip N A Warning N A Safety Read the entire Product Manual before implementing this product for your application This manual ...

Page 18: ...18 USB 8COMi RM Product Manual www coolgear com If this product is not functioning properly email our support team at support coolgear com ...

Page 19: ...com product 8 port usb to octal rs 232422485 adapter 2017 Coolgear Inc All Rights Reserved All products and accompanying digital documentation including images are the property and or trademarks of Coolgear Inc Coolgear Inc are continuously improving upon its products Product specifications are subject to change without notice ...

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