RS232 / RS422 / RS485 / LPT Parallel

In this category you can find Serial / parallel ports, PCI or PCI Express cards for RS232 / 485/422. If you need a PCI card for your PC or a booster or converter up to 1 km, you can find it in this category. Serial port server, converter, amplifier, isolators, PCI cards and more. Feel free to call our sales department to inquire about a specific product.

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In this category you can find Serial / parallel ports, PCI or PCI Express cards for RS232 / 485/422. If you need a PCI card for your PC or a booster or converter up to 1 km, you can find it in this category. Serial port server, converter, amplifier, isolators, PCI cards and more. Feel free to call our sales department to inquire about a specific product.

What is Serial Communication?

RS232 / RS422 / RS485 / LPT Parallel

There are 197 products.

Showing 1-75 of 197 item(s)

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1 channel TCP/RTU/ASCII...

1 channel TCP/RTU/ASCII Modbus Gateway. RS232/RS422/RS485. TCP Server/Client, Virtual Com. 9 - 30VDC

1 channel software-selectable RS-232/485/422 port
Baud rate: 1200 - 230,400 / RS485 921,600
1 x 10/100 Mbps RJ45 Fast Ethernet port
Supports TCP Server/Client, UDP, Virtual COM and Tunneling modes
Modbus TCP/RTU/ASCII
Configuration via the web server side, the Telnet console and the Windows Utility
Upgradable firmware via Ethernet from a remote PC
Robust metal cladding; industrial EMC protection
Redundant dual DC inputs for non-stop operation
Optional DIN rail mounting
Supply: 9 - 30VDC or 5VDC / 9W
Dimensions: 78 x 65 x 28 mm
Temp: -40 - +70°C

Price 1,366.00 DKK
Product code: ETH1MOD-A
Physically in stock  
  • 1 port serial port server...

    1 port serial port server RS232, POE or 12-48VDC. Serial Device Server

    External COM port via Ethernet and Internet
    RS232 Serialport via DB9 male
    Power supplied from PoE
    can be powered from 12 - 48VDC / 1.7 watts
    Short Power Jack Pigtail Cable included
    Purchase Power supply, not included
    1 x RJ45 with PoE input
    DIN mount
    Operating temperature: -25 - + 75 ° C
    Dim: 90 x 52 x 27 mm

    Price 994.00 DKK
    Product code: ETH1SER-POE-I
    Physically in stock  
  • 1-PORT RS422/485 serielportserver

    1 port serial port server RS422 / 485, MOXA NPort 5110A. Serial Device Server

    1-port RS422/485 serial device server, MOXA NPort 5110A

    Only 1 W power consumption
    Speedy 3-step web-based configuration
    Surge protection for serial, Ethernet, and power lines
    COM port grouping and UDP multicast applications
    Screw connectors for secure installation
    Real COM/TTY drivers for Windows and Linux
    Standard TCP/IP interface and versatile TCP and UDP operation modes
    Connect up to 8 TCP hosts

    Price 1,733.00 DKK
    Product code: ETH1SER5130A
    Physically in stock  
  • 1 port serial server RS232...

    1 port serial server RS232 / RS422 / RS485. Serial Device Server RJ45, DB9, 9 - 30VDC

    External COM port over Ethernet and Internet
    RS232/422/485
    Atop SE5201-DB Serial Device Server
    10/100Mbit Ethernet.
    Serial port via DB9 male connector
    Supports TCP Server/Client, UDP, Virtual COM and Tunneling modes
    Power is supplied from 9 - 30VDC or 5VDC (power jack)
    Power supply not included
    DIN kit (option)
    Dimensions: 65 x 78 x 28mm (without wall bracket)
    Dimensions: 88.5 x 84 x 27.8mm (with wall bracket and DB9 port)

    Price 1,525.00 DKK
    Product code: ETH1SER-MINI+
    Physically in stock  
  • 1 serial port server with...

    1 serial port server with RS232 or 422 or 485. Serial Device Server. Virtual COM port. Pair connection

    External COM port via Ethernet and Internet
    Can also provide Pair connection (back-to-back)
    Small size for easy installation
    Genuine COM / TTY drivers for Windows and Linux
    Standard TCP/IP interface and versatile operating modes
    Easy-to-use Windows multi-device server configuration tool
    Built-in 15 KV ESD protection for all serial signals
    SNMP MIB-II for network management
    Configure via Telnet or web browser
    Power supply included

    Price 1,715.00 DKK
    Product code: ETH1SER5150
    Physically in stock  
  • 1 serielportserver port...

    1 serielportserver port RS232 / 422/485, DE-MOXA 211 Serial Device Server

    External COM ports via Ethernet and Internet
    3-in-1 Serial Port: RS-232, RS-422, OR RS-485
    Modes: TCP Server, TCP Client, UDP
    Ethernet Modem
    Pair Connection
    Real Com / Tty Drivers for Windows and Linux
    2-wire RS-485 with Patented Automatic Data Direction Control (Addc®)
    Built-in 15 kV ESD Protection for All Serial Signal

    Price 1,355.00 DKK
    Product code: ETH1SER+
    Physically in stock  
  • 1 x USB to RS232 / RS422 /...

    1 x USB to RS232 / RS422 / RS485 adapter, optically isolated

    Get a RS485 or RS422 or RS232 port on the PC via the USB port
    Galvanic isolation (optical) 2KV
    DB9 male and screw terminal to 232/422/485 connection
    Termination by Jumpers
    Baud rate 300bit / s two 921.6 kbit / s
    selectable RS232, RS422 and RS485 via DIP switch
    Supports Win7 / 8/10 and over as well as MAC
    Powered through USB (5V)
    Operating Temp . 0 ° to 55 ° C,

    Price 1,145.00 DKK
    Product code: CNV-USB-UNI-I
    Physically in stock  
  • 100Mbit Ethernetkort med...

    100Mbit Ethernetkort med fiber, SC. Fast Ethernet Fiber NIC with PCI Express

    Fast Ethernet Fiber NIC with PCI Express.

    • High bandwidth 100Mbps Network Speed
    • Supports Full-Duplex Mode
    • Supports IEEE 802.3x Full-Duplex Flow Control
    • Supports PCI e x1 bus
    • Compliant with PCIe Rev.1.1 Interface
    • Supports Jumbo Frame
    • Supports High Level VLAN Filtering Function
    • Supports IP headers and TCP / UDP checksums offload
    • Supports on-board screening of VLAN tagged Ethernet frames
    • Supports Wake on LAN
    • Supports ASF 2.0
    Price 1,470.00 DKK
    Product code: ETH32FIBER-SC-U+
    Physically in stock  
  • 19" 1U 32 ports RS232 til...

    19" 1U 32 ports RS232 til USB konverter til rackmontering

    USB-32COM-RM - 32-Port RS-232 USB-to-Serial Adapter, Metal Case, Rack-Mountable.

    • High speed
    • 128 byte transmit FIFO & 384 byte receive FIFO
    • Serial port protected with surge protection of 10KV
    • Built-in switching power supply of 100V~240V
    • Standard 19-inch, 1U rackmount chassis
    Price 7,757.00 DKK
    Product code: CNV-USB32RS232
    On the way in  
  • 2 Port serial port server -...

    2 Port serial port server - Serial Device Server, RS232 / RS422 / RS485 Port over Ethernet. 2 x RJ45, 2 x DB9 male, 12 - 48VDC

    2 COM ports over Ethernet, Internet
    Each COM port can be RS232 or RS422 or RS485
    RS232 Pin 1 - 8: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS
    RS422 / RS485 4-W: Pin 1 - 5: TXD +, TXD, RXD +, RXD, GND
    RS485 2-W: Pin 3 - 5: Data, Data +, GND
    Baud Rate: 50 bps - 921Kbps
    Data Bits: 5, 6, 7, 8
    Parity: 1, 1.5, 2
    Stop Bit: Odd, Even, None, Space, Mark
    2 x RJ45 10 / 100mbit
    Alarm: Relay output
    Supply voltage: 12 - 48VDC 6.5WATT
    Web Management
    IP Version: IPv4 / IPv6. TCP Server, TCP Client, UDP Client
    Virtual Com
    Pair Connection
    Supporter: XP to Win10, Server 2003, 2008, 2012
    Size: 135 x 88 x 32 mm
    DIN bracket

    Price 3,149.00 DKK
    Product code: ETH2SER-IC
    On the way in  
  • 2 RS232-422-485 serial...

    2 RS232-422-485 serial ports for PCI, Titan UPCI-200LI-SI

    2 porte til RS232/422/485, med 2 KV iso., universal PCI
    OS SUPPORT:
    ​64-bit System Intel Itanium 
    AMD Athlon 64 64-bit CPU System 
    Microsoft Win 9x/ME/NT, Win 2K/XP/2003, Win CE 
    Linux 2.0.x / 2.2.x / 2.4.x / 2.6.x 
    DOS DOS 

    Price 700.00 DKK
    Product code: RS485ISO2+S-U
    Physically in stock  
  • 2 x RS232 serial ports for...

    2 x RS232 serial ports for PCI. Plug & play, high and low back plate, TITAN PCI-200LP UPCI Vscom

    2 x RS232 serial ports with plug & amp; play
    1 x TITAN BSP9216B (chipset)
    1 x DB25 male connector on the card
    1 x DB25 female for two DB9 male adapter cables included
    Bus: universal PCI (5V and 3.3V) 32 bit 33MHz
    RS232 signal: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
    Max. bitrate: 921.6kbps
    Each port with 16 bit FIFO for transmit & amp; review
    IS support: Windows, Linux
    0 ° C to 60 ° C

    Price 150.00 DKK
    Product code: SER2PCI3V-L
    Physically in stock  
  • 2 x RS232, RS422 or RS485...

    2 x RS232, RS422 or RS485 serial ports for PCI, 2 x DB9 male OS support: DOS, Windows 98, NT , 2000, XP, Win7, Win8, 2003, Linux

    2 x RS232 / 422/485 Ports
    PCI version 2.1 (32bit) - 3.3 / 5.0V
    RS232: TX, RX, CTS, RTS - Optical ISO
    RS422: TXD +/-, RXD + / -, RTS, CTS, GND
    RS485: Data + / Data, GND
    2 x DB9 male
    Up to 921.6Kbps
    Built-in Termination: 120 Ohm
    DOS, Windows 98, NT , 2000, XP, Win7, Win8, 2003, Linux

    Price 444.00 DKK
    Product code: RS485-2+PCI-UNI
    Physically in stock  
  • 2 x RS422 / 485 PCI,...

    2 x RS422 / 485 PCI, isolated + surge, Moxa CP-132U-I V2,

    High-hanging (MOXA CP-132U-I V2)
    Replacement for CP-132IS

    Windows Windows 95/98 / ME / NT / 2000
    Windows XP / 2003 / Vista / 2008/7/8 / 8.1 / 10 (x86 / x64)
    Windows Server 2008 R2 / 2012/2012 R2 / 2016 (x64)
    DOS, Windows Embedded CE 5.0 / 6.0, Windows XP Embedded

    Linux Linux 2.4. x, 2.6.x, 3.x

    Unix-like Systems QNX 6, SCO OpenServer, UnixWare 7, Solaris 10, FreeBSD

    Price 1,779.00 DKK
    Product code: RS485ISO2+S-PCI
    Physically in stock  
  • 2 x RS485/422 optoisolated...

    2 x RS485/422 optoisolated serial ports MOXA CP132I with DOS support

    2-port RS-422/485 high speed communication board
    Windows 2000 / XP / 2003, Windows NT, Windows 95/98 / ME, WIN 7, WIN 8, WIN 10 32/64 Bit
    Windows XP Embedded, WINDOWS 2003, 2008, 2012
    DOS, FreeBSD 4.x, Linux 2.0.x (Alpha), Linux 2.2.x (Alpha), Linux Base

    MOXA CP132I

    Price 1,525.00 DKK
    Product code: RS485ISO2+PCI
    Physically in stock  
  • 2-channel CAN Bus to Wifi...

    2-channel CAN Bus to Wifi converter. CAN PC. CAN bus to CAN bus bridge over Wifi. CAN 2.0A and CAN 2.0B. ISO11898-2

    Wifi CAN converter. CAN CAN bridge. CAN PC
    two CAN channels
    AP mode and station mode
    Compatible with Socket (TCP Server, TCP Client, UDP)
    Support: Ethernet, ARP, IP, ICMP, UDP, DHCP, DNS TCP)
    DIP switch for terminating
    Isolation: 1500VDC
    CAN baud rate: 5kbit / s to 1Mbit / s
    Wifi: 2.4GHz IEEE802.11a / b / g
    Supply voltage: 9 - 30VDC
    Consumption: 80mA @ 24VDC
    Dimensions: 118 x 94 x 23 mm
    Operating temperature: -40 - + 85 ° C

    Price 2,797.00 DKK
    Product code: CAN-WLAN-CH2
    On the way in  
  • 3 port serial port server...

    3 port serial port server via GSM7GPRS network RS232 / 485 Serial Device Server

    Seriel port: 2 x RS232, 1 x RS232/485 maks. 115 Kbps
    Signaler: RS232: Rx , Tx , RTS , CTS 
    RS485: Data +, Data - (2-leder halv duplex)
    Digital I/O: 6 indgange og 2 udgange TTL
    Protokoller: TCP, PPP
    Stik til digital I/O: Skrueterminaler
    3/5V SIM kortholder indbygget
    3 lysdioder viser GPRS- og systemstatus
    Strømforsyning: 9 - 35 VDC maks. 4,8 Watt. medfølger ikke
    Leveres med beslag til DIN skinne

    Price 2,921.00 DKK
    Product code: ETH3SER-GSM+
    Physically in stock  
  • 4 port manual switch box...

    4 port manual switch box for 4 x DB25 units

    4 x COM port switch with DB25 female
    1 x common DB25 female
    For serial port or parallel port
    Works both ways
    Mechanical switch for test use only
    All conductors in the plug are switched

    Price 861.00 DKK
    Product code: SW-DB25-4
    On the way in  
  • 4 port PCIe RS422 / 485...

    4 port PCIe RS422 / 485 card, w / DB9 splitter cable, Low and High, Isolated

    4 ports RS422 / 485 PCIe card
    PCIe x1, 250Mbytes / sec
    Supports RS485 Auto Transceiver
    128-byte FIFO
    4 x DB9 male connector over octopus cable
    Support 4 Thread RS422 / 485 and 2-wire RS485
    Supports RS422 / 485 Speed ​​Up to 921.6Kpbs
    ± 15KV ESD Protection
    2KV Insulation
    OS Support XP / Vista / 7/8/10 (32) / 64 bit), Linux 2.6.x / 3.x

    Price 826.00 DKK
    Product code: RS485-4PCIE-HL-I
    Physically in stock  
  • 4 Port Serial Port Server -...

    4 Port Serial Port Server - Serial Device Server, RS232 / RS422 / RS485 Port over Ethernet. 2 x RJ45, 4 x DB9 male, 12 - 48VDC

    4 COM ports over Ethernet, Internet
    Each COM port can be RS232 or RS422 or RS485
    RS232 Pin 1 - 8: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS
    RS422 / RS485 4-W: Pin 1 - 5: TXD +, TXD, RXD +, RXD, GND
    RS485 2-W: Pin 3 - 5: Data, Data +, GND
    Baud Rate: 50 bps - 921Kbps
    Data Bits: 5, 6, 7, 8
    Parity: 1, 1.5, 2
    Stop Bit: Odd, Even, None, Space, Mark
    2 x RJ45 10 / 100Mbit
    Alarm: Relay output
    Supply voltage: 12 - 48VDC 6.5WATT
    Web Management
    IP Version: IPv4 / IPv6. TCP Server, TCP Client, UDP Client
    Virtual Com
    Pair Connection
    Supporter: XP to Win10, Server 2003, 2008, 2012
    Size: 135 x 88 x 50 mm
    DIN bracket

    Price 4,545.00 DKK
    Product code: ETH4SER-IC
    On the way in  
  • 4 Ports RS232 Extender over...

    4 Ports RS232 Extender over fiber cable 1200 - 115Kbps, 4 x DB9 male connector. 100Mbit SFP Multi Mode or Single Mode.

    4 COM ports via optical fiber cable
    point to point or pount to 4 points
    4 x RS232 ports up to 2km with multi mode cable
    4 x RS232 ports up to 20km with single mode cable
    Buy 100Mbit SFP Module (Multi Mode or Single Mode)
    1 x 100 Mbit SFP for LC Duplex Fiber cable
    4 x RS232 DB9 male connector
    Setup via built-in Web server
    62 x 50 x 120 mm
    DIN fittings
    Display 3 LEDs Displays TX / RX, Network and System Status
    Supply voltage: 9 - 32VDC Redundant (not supplied)

    Price 4,447.00 DKK
    Product code: BOOST-4RS232-FIBER
    Physically in stock  
  • 4 Ports RS485 / 422...

    4 Ports RS485 / 422 Extender over Fiber 1200 - 115Kbps, 4 x Screw terminal, 100Mbit SFP Multi Mode and Single Mode

    4 x RS485/422 COM ports over fiber, fiber network
    Extender over fiber with 4 x RS422 / 485
    1 x 100 Mbit fiber
    Screw terminal block (5 pole)
    SFP slot for 100mbit Multi Mode LC Fiber
    62 x 50 x 120 mm
    Display 3 LEDs Displays TX / RX, Network and System Status
    Supply 9 - 32 VDC (not supplied)

    Price 5,381.00 DKK
    Product code: BOOST-4RS485-FIBER
    Physically in stock  
  • 4 Ports serial port server...

    4 Ports serial port server RS422 / 485 Serial Device served 1 x RJ45, 2 x SFP slot

    Monitor, manage and manage industrial devices
    1 x RJ45 Ethernet port
    2 x SFP slot for fiber transceiver (SM or MM)
    Industrial EMC protection, temperature operation wide, -40 ° C ~ 85 ° C
    Fast-Ethernet 2 x 100/1000 SFP Slots with RSTP Redundancy
    4 software Selected RS485 / RS422 Serial ports, up to 921Kbps
    TCP Server / Client, UDP, Virtual com and tunneling modes supported
    Embedded Security with PPTP, IPSec or OpenVPN Client / Server
    Redundant 12 ~ 48 VDC Power Entries
    Configuration via Web Browser / Serial Console / Telnet / Windows Utility
    Robust Metal Cabinet with wall or DIN rail

    Price 7,713.00 DKK
    Product code: ETH4SER-A-I
    On the way in  
  • 4 Ports serial port server,...

    4 Ports serial port server, RS232 / RS422 / RS485 Serial Device Server for fiber network, 2 x SFP ports

    Monitor, manage and manage industrial devices
    2 x SFP slot for fiber transceiver (SM or MM)
    Industrial EMC protection, temperature operation wide, -40 ° C ~ 85 ° C
    fast- Ethernet 2 x 100/1000 SFP slots with RSTP Redundans
    4 software Select RS232 / RS485 / RS422 serial ports, up to 921Kbps
    TCP Server / Client, UDP, Virtual com and tunneling modes are supported
    Embedded security with PPTP, IPSec or OpenVPN Client / Server
    Redundant 12 ~ 48 VDC Power entries
    Configuration via Web Browser / Serial Console / Telnet / Windows Utility
    Robust metal cabinet with wall or DIN rail mounting

    Price 5,715.00 DKK
    Product code: ETH4SER-A
    On the way in  
  • 4 Ports Serialport Server...

    4 Ports Serialport Server RS422 / RS85, Moxa Nport 5430. Serial Device Server

    External COM ports via Ethernet and Internet

    Easy IP Address Configuration with LCD Panel
    10 / 100Mbit Auto-Sensing Ethernet
    4 Serial Ports, With Support for RS422, and RS485 < Br> Built-in 15 kv ESD Surge Protection for All Serial Signals
    Versatile Socket Operation Modes, Including TCP Server, TCP Client, and UDP
    Choice of Configuration Methods: Web Console, Telnet Console, and Windows Utility
    SNMP MIB-II for Network Management
    -40 to 75 ° C Operating Temperature

    Price 3,000.00 DKK
    Product code: ETH4SER485+
    Physically in stock  
  • 4 x RS485 Repeater and...

    4 x RS485 Repeater and splitter to 4 directions. RS485 master on input. RS485 slave on 4 outputs. Half duplex for DIN rail

    Repeater and splits an RS485 signal into 4 branches
    RS485 master on input polls RS485 slaves with ID
    Only asked RS485 slave responds only to master
    No RS485 slave can poll the RS485 bus
    2-wire RS485 - semi-duplex
    Extend the star bus with more M485-REP4-I
    Supply: 10 - +30VDC
    Temp: -25 - +75°C
    For DIN-Rail mounting

    Price 1,223.00 DKK
    Product code: M485-REP4-I
    Physically in stock  
  • 433 MHz Wireless modem with...

    433 MHz Wireless modem with 1 COM port, RS232 or RS485, 1200 to 115,2kbps, Up to 500 meters.

    Transparent Wireless RS232 or RS485 link with 2 pcs.
    Programmable with DIP- and Rotary switches
    433 MHz Radio Frequency
    16 RF Channels
    0dBi Omni antenna
    Baud Rates from 1200 to 115200 bps
    Includes a PA switch that can be used to enhance the RF power
    Wireless line of sight (LOS) transmission range of up to 500 meters at an RF Baud Rate of 9600 bps
    RS232 (RX/TX/GND) and RS485 (2-wire) interfaces
    N81, E81, O81
    DIN-Rail
    Temperatures, -25 - +75°C
    TX power: 10dBm to 19dBm
    Supply: 10 - 30VDC / 1Watt
    Dim: 107 x 83 x 33 mm

    Price 1,665.00 DKK
    Product code: M485-RADIO-43I
    On the way in  
  • 8-port RS-232/422/485 PCI...

    8-port RS-232/422/485 PCI Express serial board

     PCI Express 1.0 compliant
     921.6 kbps maximum baudrate for fast data transmission
     128-byte FIFO and on-chip H/W, S/W flow control
     Variety of connection cables and boxes available for RS-232/422/485
     Low-profile form factor fits small-sized PCs
     Drivers provided for a broad selection of operating systems, including Windows, Linux, and UNIX
     Easy maintenance with built-in LEDs and management software

    RS-232 :TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
    RS-422 : Tx+, Tx-, Rx+, Rx-, GND
    RS-485-4w : Tx+, Tx-, Rx+, Rx-, GND
    RS-485-2w Data+, Data-, GND

    Price 4,937.00 DKK
    Product code: SER8PCIE+
    On the way in  
  • Automatic parallel printer...

    Automatic parallel printer switcher for 4 PCs

    Auto Data Switch MP401B Parallel Printer Sharing Device
    4 PCs can share the same parallel printer
    Automatic switch to parallel printer
    Active line is displayed with LED
    Timeout programmable from 3 to 70 sec.
    Supplied with 9VDC voltage supply
    Plug: 5 pcs. DB25 female connector

    Price 675.00 DKK
    Product code: SW401P
    Physically in stock  
  • CAN bus to USB adapter....

    CAN bus to USB adapter. Connects a PC with USB port to CAN Bus. CAN 2.0A and CAN 2.0B up to 1Mbps

    CAN bus port on your computer via USB 1.1, 2.0 or 3.0 port
    Powered from USB port
    LED shows initialization and CAN bus status
    Installs as a standard Windows COM port
    CAN modes: Standard, Listen, Echo
    Controlled using ASCII commands
    API provided along with examples
    Plug and play installation
    CAN bus speed up to 1 Mbps
    Supports CAN 2.0A and CAN 2.0B protocols
    Drivers provided for Windows and Linux OS
    Supports SocketCAN (slcan driver) since kernel 2.6.38+

    Price 1,132.00 DKK
    Product code: CNV-USB-CAN
    Physically in stock