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USB to Serial Converter

UC840IS

4 x RS232/422/485
Isolation protection
FTDI chipset

OverviewSpecificationsInquiryResources

Add 4 Serial ports RS232 RS485 RS422 to PC via USB

3000V DC Photo Couple Signal Isolation

3000V DC to DC Power Isolation

 

USB
Chip : FTDI FT4232
Compliant: USB 1.0 , 1.1 , 2.0
Connector : USB type B
USB 2.0 High Speed (480M bps)
Baud Rate: Full speed 12 Mbps

Serial Port
Number of Port: 4 x RS-232/422/485 (Auto Detect)
There are physically 4 ports of RS-232 and 4 ports of RS-422/485, Any 4 mixed ports can be selected to operate and Auto Detectable)
RS232 : TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND, RI
RS422 : RxD+ , RxD- ,TxD+ , TxD- ,
RS485 : Data+ , Data-
RS422/485 Over Current and Surge Protect
Receive buffer : 2K Byte
Transmit buffer : 2K Byte
Transmit/Receive ( Signal 3000V DC optical isolation protect )
3000V DC to DC isolation protect ( For RS232/422/485 )
Baud Rate
RS232 :       300 bps ~ 962.1 Kbps
RS422/485 : 300 bps ~ 115.2 Kbps

Flow Control : X-On / X-Off or Hardware
Pull high / Low : 1K/1K Ohm

RS232 PIN #9 as DC5V (Optional)
Driver Support
Virtual Com Utility
Windows 2000, Server 2003, XP, XP 64 bit, Vista, Windows 7
Mac osx /  Linux 2.4 / 2.6

Power : USB Bus powered (DC9V~24V DC Jack also available)
Dimension : 219.5 x 120 x 30 mm ( W x D x H )
Dimension : 194 x 107 x 30 mm ( W x D x H ) (without counting mounting ear and connectors)
Weight : 610 g
Operating Temp : 0 ~ 70ºC
Storge Temp : -40 to 85ºC
Humidity : 5 ~ 95 % RH
Approval : CE / FCC, RoHS

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    Linux VCP drivers are integrated into the kernel.

    Mac OS X10.15 and macOS 11 x64 Driver FTDIUSBSerialDextInstaller 1.4.7
    This is a Beta driver release and the installer should be run from the /Applications folder on your machine

    Check for most updated driver

    File Description File size
    pdf Windows XP Installation Guide FTDI driver installation guide for Windows XP
    		 1 MB
    pdf Windows Vista Installation Guide FTDI driver installation guide for Windows Vista
    		 745 KB
    zip Windows Driver x86/x64 CDM v2.12.36.4 WHQL Certified (Manual) FTDI VCP driver. Support Windows 7, Server 2008 R2 and Windows 8, 8.1, Server 2012 R2, Server 2016 and Windows 10. Also, as Windows 8 RT is a closed system not allowing for 3rd party driver installation our Windows 8 driver will not support this variant of the OS. You must use the Windows RT build for this platform.
    		 1 MB
    zip Windows Driver x86/x64 CDM 2.12.36.4 Setup (Executable) FTDI VCP driver. Support Windows 7, Server 2008 R2 and Windows 8, 8.1, Server 2012 R2, Server 2016 and Windows 10. Also, as Windows 8 RT is a closed system not allowing for 3rd party driver installation our Windows 8 driver will not support this variant of the OS. You must use the Windows RT build for this platform.
    		 2 MB
    zip Windows Driver CDM 2.08.24 Setup (Executable) FTDI VCP driver. Support Windows XP, Vista, Server 2003, Server 2008
    		 1 MB
    pdf Windows CE Driver Catalog Item Usage (AN-319) For use of the CAT files supplied for ARM and x86 builds refer to AN-319
    		 516 KB
    zip Windows CE 7.0 x86 Driver CAT For use of the CAT files supplied for ARM and x86 builds refer to AN-319
    		 33 KB
    zip Windows CE 7.0 ARM Driver CAT For use of the CAT files supplied for ARM and x86 builds refer to AN-319
    		 52 KB
    zip Windows CE 6.0/7.0 x86 VCP Driver 6.0 Windows CE 6.0/7.0 x86 VCP Driver 6.0
    		 37 KB
    zip Windows CE 6.0/7.0 ARM v4 VCP Driver Windows CE 6.0/7.0 ARM v4 VCP Driver 6.0
    		 42 KB
    zip Windows CE 6.0 x86 Driver CAT For use of the CAT files supplied for ARM and x86 builds refer to AN-319
    		 38 KB
    zip Windows CE 6.0 ARM Driver CAT For use of the CAT files supplied for ARM and x86 builds refer to AN-319
    		 42 KB
    zip Windows CE 4.2-5.2 x86 VCP Driver FTDI driver. Supports versions of Windows CE 4.2-5.2 based operating systems: Windows Mobile 2003, Windows Mobile 2003 SE, Windows Mobile 5, Windows Mobile 6, Windows Mobile 6.1 ,Windows Mobile 6.5
    		 35 KB
    zip Windows CE 4.2-5.2 SH4 VCP Driver 1.1.0.10 FTDI driver. Supports versions of Windows CE 4.2-5.2 based operating systems: Windows Mobile 2003, Windows Mobile 2003 SE, Windows Mobile 5, Windows Mobile 6, Windows Mobile 6.1 ,Windows Mobile 6.5
    		 40 KB
    zip Windows CE 4.2-5.2 MIPS IV VCP Driver 1.1.0.10 FTDI driver. Supports versions of Windows CE 4.2-5.2 based operating systems: Windows Mobile 2003, Windows Mobile 2003 SE, Windows Mobile 5, Windows Mobile 6, Windows Mobile 6.1 ,Windows Mobile 6.5
    		 45 KB
    zip Windows CE 4.2-5.2 MIPS II VCP Driver 1.1.0.10 FTDI driver. Supports versions of Windows CE 4.2-5.2 based operating systems: Windows Mobile 2003, Windows Mobile 2003 SE, Windows Mobile 5, Windows Mobile 6, Windows Mobile 6.1 ,Windows Mobile 6.5
    		 43 KB
    zip Windows CE 4.2-5.2 ARM v4 VCP Driver 1.1.0.20 FTDI driver. Supports versions of Windows CE 4.2-5.2 based operating systems: Windows Mobile 2003, Windows Mobile 2003 SE, Windows Mobile 5, Windows Mobile 6, Windows Mobile 6.1 ,Windows Mobile 6.5
    		 40 KB
    zip Windows CE 2013 x86 VCP Driver Windows CE 2013 x86 VCP Driver
    		 77 KB
    zip Windows CE 2013 ARM VCP Driver Windows CE 2013 ARM VCP Driver
    		 196 KB
    pdf Windows 98 Installation Guide FTDI driver installation guide for Windows 98 & Windows ME
    		 617 KB
    pdf Windows 8 Installation Guide FTDI driver installation guide for Windows 8
    		 1 MB
    pdf Windows 7 Installation Guide FTDI driver installation guide for Windows 7
    		 661 KB
    pdf Windows 2000 Installation Guide FTDI driver installation guide for Windows 2000
    		 388 KB
    pdf Windows 10 Installation Guide FTDI driver installation guide for Windows 10
    		 1 MB
    zip Mac VCP Driver OS X 10.9 to 10.14 version 2.4.4 VCP driver 2.4.4 for x64 of Mac OS X 10.9 to 10.14. This driver is signed by Apple
    		 62 KB
    zip Mac OS X10.15 and macOS 11 x64 Driver FTDIUSBSerialDextInstaller 1.4.7 This is a Beta driver release and the installer should be run from the /Applications folder on your machine
    		 125 KB
    pdf Mac OS X Installation Guide FTDI driver installation guide for Mac OS X
    		 1 MB
    zip Mac Driver OS X 10.3 to 10.8 version 2.2.18 FTDI driver. Support OS X 10.3 to 10.8
    		 412 KB
    pdf Mac customized VCP VID/PID (TN-105) Refer to TN-105 if you need a custom VCP VID/PID in MAC OS X 10.3 to 10.8
    		 530 KB
    gz Linux Driver x64 ftdi_sio.tar 1.5.0 All FTDI devices now supported in Ubuntu 11.10, kernel 3.0.0-19.
    		 130 KB
    pdf Linux Driver Installation Guide Drivers Installation Guide for Linux
    		 427 KB
    pdf Linux Customizing VID PID (TN-101) Refer to TN-101 if you need a custom VCP VID/PID in Linux
    		 154 KB
    zip Windows CE 6.0/7.0 SH4 VCP Driver Windows CE 6.0/7.0 SH4 VCP Driver 6.0
    		 42 KB
    zip Windows CE 6.0/7.0 MIPS IV VCP Driver Windows CE 6.0/7.0 MIPS IV VCP Driver 6.0
    		 47 KB
    zip Windows CE 6.0/7.0 MIPS II VCP Driver Windows CE 6.0/7.0 MIPS II VCP Driver 6.0
    		 45 KB
    pdf Windows CE Installation Guide Driver installation under Windows CE
    		 574 KB
    File Description File size
    pdf UC840IS Quick Guide UC840IS Quick Guide 4 Serial ports to USB converter with Isolation
    		 348 KB
    pdf UC840IS User's Manual UC840IS User's Manual 4 Serial ports to USB converter with Isolation
    		 1 MB