RS232 / RS422 / RS485 / LPT Parallel

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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.

What is Serial Communication?

RS232 / RS422 / RS485 / LPT Parallel
There are 196 products.
USB-C converter to 4-wire RS422 or 2/4-wire RS485, 0,25cm cable

Adds a high speed RS422 or RS485 serial port by connecting to a USB port
USB Type-C cable, 0,25m
Powered by USB port, no external power adapter required
LEDs indicate TxD and RxD for easy port monitoring and diagnosis
Installs as a standard Windows COM port
Automatic transmit and receive control for 2-wire RS485 half-duplex mode
Serial port protected with surge protection of 15kV
Non-standard baudrates supported
Easy plug and play installation and RS-422/RS485 device connection
High speed serial port with baud rate up to 3Mbps
Provides 15KV ESD protection and 600W surge protection for all serial signals
Supports Windows XP to 11, Server 2000 to Server 2022 (WHQL certified)
Supports Linux Kernel 3.0 and above
Supports Mac OS X 10.3 and above, driver signed by Apple

£55.34
Item number CNV-USBC-RS485T
On the way in
USB-C male to RS232 converter, DB9 male, 0,25m cable

High speed RS-232 serial port by connecting to a USB Type-C port
USB Type-C cable 0,25m
Powered by USB port, no external power adapter required
LEDs indicate TxD and RxD for easy port monitoring and diagnosis
Installs as a standard Windows COM port
Full RS-232 modem control signals and hardware/software flow control
Serial port protected with 15KV ESD protection
Non-standard baudrates supported
Easy plug and play installation and RS-232 device connection
High speed serial port with baud rate up to 921.6kbps
Supports Windows XP to 11, Server 2000 to Server 2022 (WHQL certified)
Supports Linux Kernel 3.0 and above
Supports Mac OS X 10.3 and above, driver signed by Apple

£28.79
Item number CNV-USBC-RS232T
Physically in stock
USB-C to RS232 adapter - get a COM port on PC via the USB C port. With 9 pcs. LED indicators

USB-C to Straight-Through RS232 serial adapter
With DB9 male
With 9 x data monitoring LEDs (TX, RX, PWR)
COM port assignments are maintained across reboots
Max Baud Rate: 921.6 Kbps | 1, 1.5, 2 stop bits
Odd, Even, Field, Space, No Parity Mode
Hardware Flow Control (CTS/RTS and/or DSR/DTR)
Software Flow Control (XON/XOFF) | Chipset: PL2303-GC
Compatible with Windows®, Mac OS and Linux

£51.09
Item number CNV-USBC-RS232+L9
On the way in
USB A to RS232 adapter - get a COM port on the PC via the USB C port. With 9 pcs. LED indicators

USB A to Straight-Through RS232 serial adapter
With DB9 male
With 9 x data monitoring LEDs (TX, RX, PWR)
COM port assignments are maintained across reboots
Max Baud Rate: 921.6 Kbps | 1, 1.5, 2 stop bits
Odd, Even, Field, Space, No Parity Mode
Hardware Flow Control (CTS/RTS and/or DSR/DTR)
Software Flow Control (XON/XOFF) | Chipset: PL2303-GC
Compatible with Windows®, Mac OS and Linux

£51.33
Item number CNV-USB-RS232+L9
On the way in
USB A to RS232 adapter - get a COM port on the PC via the USB C port. With 3 pcs. LED indicators

USB A to Straight-Through RS232 serial adapter
With DB9 male
With 3 x data monitoring LEDs (TX, RX, PWR)
COM port assignments are maintained across reboots
Max Baud Rate: 921.6 Kbps | 1, 1.5, 2 stop bits
Odd, Even, Field, Space, No Parity Mode
Hardware Flow Control (CTS/RTS and/or DSR/DTR)
Software Flow Control (XON/XOFF) | Chipset: PL2303-GC
Compatible with Windows®, Mac OS and Linux

£47.08
Item number CNV-USB-RS232+L3
On the way in
USB-C to RS232 adapter - get a COM port on PC via the USB C port. With 3 pcs. LED indicators

USB-C to Straight-Through RS232 serial adapter
With DB9 male
With 3 x data monitoring LEDs (TX, RX, PWR)
COM port assignments are maintained across reboots
Max Baud Rate: 921.6 Kbps | 1, 1.5, 2 stop bits
Odd, Even, Field, Space, No Parity Mode
Hardware Flow Control (CTS/RTS and/or DSR/DTR)
Software Flow Control (XON/XOFF) | Chipset: PL2303-GC
Compatible with Windows®, Mac OS and Linux

£40.12
Item number CNV-USBC-RS232+L3
On the way in
1 channel TCP/RTU/ASCII Modbus Gateway. RS232/RS422/RS485. TCP Server/Client, Virtual Com with screw terminal

1 channel software-selectable RS-232/485/422 port
Baud rate: 1200 - 230,400 / RS485 921,600
Screw terminals for Data
Screw terminals for DC supply
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

£161.19
Item number ETH1MOD-A
On the way in
20km Long Range Wireless RS232/RS485 Transceiver - Reliable and High-Performance

Freqency 433MHz
Transmitting power 37dBm
Receiving sensitivity -130 dBm
Distance up to 20km
Interface RS232/RS485
2 devices needed for single transparent transmission
Baud rate: 1200~115200, default: 9600
Power input: 8-24VDC
Operating temperature: -40  to 85℃

£218.30
Item number BOOST-SER-LORA
On the way in
433 MHz Wireless modem with 1 COM port, RS232 or RS485, BR 1200 to 115,2kbps

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

£196.47
Item number M485-RADIO-43I
On the way in
CAN Bus PCI Express Mini Module

One CAN bus interface
Supports both CAN 2.0A and CAN 2.0B
Up to 1Mbps CAN transmission speed
2KV isolation
Drivers support Windows® 7/ 7 x64/ 8/ 8 x64/ 8.1/ 8.1 x64
Dimensions: 51 x 30 mm
Cable included

Call +45 56 66 20 20 for price
Item number MPCIE-CAN1
Physically in stock
Serial Wireless RS232 RS422 RS485 WiFi Dual Band WiFi.

Wireless Com Port - Can Peer-to-Peer connection
IEEE 802.11 a/b/g/n
2.4 GHz, 5 GHz Dual Band
1 Port RS232 or RS422 or 2-wire RS485
Max.Baud Rate: 921.6 Kbps
Operating temperature: -40 - +85°C
with COM Port Re-Director, TestView
± 15KV IEC ESD protection
Supply voltage: 5 - 12VDC / 2W
infrastructure, Soft AP, Roaming
sWifi config Mobile App for Android

£312.23
Item number WIFI-SERIAL
On the way in
MODBUS RTU 2 Master units share 1 Slave unit

Supports 2 different Baud Rates on port 1 and port 2

3 x RS485 ports

Supports Modbus RTU/ASCII protocol

Supports 2 Master devices sharing 1 slave port

Data cache for each master port

RAW data mode for most request-response protocols

Built-in web server for easy configuration (HTTP)

Redundant Power Input: POE (IEEE 802.3AF, Class 1) and DC Jack

Allows automatic RS-485 management control

Tiny Form-Factor and Low Power Consumption

Read cache ensures faster response

£149.15
Item number M485-2M-1S
Physically in stock
RS232/422/485 til Single Mode fiber konverter, ST stik. Baud rate op til 921.6kbps

Mediekonverter fra seriel til optisk fiber
Point til Point transmission
RS232 eller RS422 eller RS485
Op til 40 km med single-mode
ST stik - duplex
Til 9/125my single mode fiber
Reducerer signalinterferens
Beskytter mod elektrisk interferens
Baud rate op til 921,6 kbps
Temperaturområde: -40 til+75°C
Forsyningsspænding: 12 - 48VDC
Mål: 100 x 90 x 22 mm
DIN beslag som tilbehør

Call +45 56 66 20 20 for price
Item number CNV-UNI-FIBER-S
On the way in
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