Skip to content
Semaphore SystemsSemaphore Systems
    • 020 7625 7744
  • Login
  • Basket / £3,763.00 13
      • × USB-4604B 4-port RS232 Serial to USB Converter with ESD Surge ProtectionUSB-4604B 4-port RS232 Serial to USB Converter with ESD Surge Protection
        1 × £152.00
      • × PCI-1706U 250 kS/s, 16-bit, Simultaneous 8-ch Universal PCI Multifunction CardPCI-1706U 250 kS/s, 16-bit, Simultaneous 8-ch Universal PCI Multifunction Card
        1 × £737.00
      • × USB-4750 32-ch Isolated Digital I/O USB ModuleUSB-4750 32-ch Isolated Digital I/O USB Module
        1 × £150.00
      • × PCI-1680U 2-port CAN-bus Universal PCI Communication Card with Isolation ProtectionPCI-1680U 2-port CAN-bus Universal PCI Communication Card with Isolation Protection
        1 × £196.00
      • × PCIE-1602 2-port RS-232/422/485 PCIe Communication Card w/Surge & IsolationPCIE-1602 2-port RS-232/422/485 PCIe Communication Card w/Surge & Isolation
        1 × £75.00
      • × EKI-1751I Hardened Ethernet Extender, 100Mbps, VDSL2, M12EKI-1751I Hardened Ethernet Extender, 100Mbps, VDSL2, M12
        1 × £274.00
      • × PCI-1720U 12-bit, 4-ch Isolated Analog Output Universal PCI CardPCI-1720U 12-bit, 4-ch Isolated Analog Output Universal PCI Card
        1 × £309.00
      • × EKI-2728I 8GE Unmanaged Ethernet Switch, -40~75°CEKI-2728I 8GE Unmanaged Ethernet Switch, -40~75°C
        1 × £167.00
      • × EKI-2741FPI 1GE PoE, SFP Injector ,IEEE802.3af/at, 48VDC, -40~75℃EKI-2741FPI 1GE PoE, SFP Injector ,IEEE802.3af/at, 48VDC, -40~75℃
        1 × £311.00
      • × PCI-1716L 250 kS/sPCI-1716L 250 kS/s, 16-bit, 16-ch PCI Multifunction Card
        1 × £340.00
      • × FPM-7061T 6.5" VGA Industrial Monitor with Resistive Touchscreen, Direct-VGA/DP and Wide Operating Temperature RangeFPM-7061T 6.5" VGA Industrial Monitor with Resistive Touchscreen, Direct-VGA/DP and Wide Operating Temperature Range
        1 × £590.00
      • × EKI-7706G-2FI 4GE+2G SFP Managed Ethernet Switch, -40~75°CEKI-7706G-2FI 4GE+2G SFP Managed Ethernet Switch, -40~75°C
        1 × £435.00
      • × PCI-1604L 2-port RS-232 PCI Communication CardPCI-1604L 2-port RS-232 PCI Communication Card
        1 × £27.00

      Subtotal: £3,763.00

      View basketCheckout

  • 13
    Basket
    • × USB-4604B 4-port RS232 Serial to USB Converter with ESD Surge ProtectionUSB-4604B 4-port RS232 Serial to USB Converter with ESD Surge Protection
      1 × £152.00
    • × PCI-1706U 250 kS/s, 16-bit, Simultaneous 8-ch Universal PCI Multifunction CardPCI-1706U 250 kS/s, 16-bit, Simultaneous 8-ch Universal PCI Multifunction Card
      1 × £737.00
    • × USB-4750 32-ch Isolated Digital I/O USB ModuleUSB-4750 32-ch Isolated Digital I/O USB Module
      1 × £150.00
    • × PCI-1680U 2-port CAN-bus Universal PCI Communication Card with Isolation ProtectionPCI-1680U 2-port CAN-bus Universal PCI Communication Card with Isolation Protection
      1 × £196.00
    • × PCIE-1602 2-port RS-232/422/485 PCIe Communication Card w/Surge & IsolationPCIE-1602 2-port RS-232/422/485 PCIe Communication Card w/Surge & Isolation
      1 × £75.00
    • × EKI-1751I Hardened Ethernet Extender, 100Mbps, VDSL2, M12EKI-1751I Hardened Ethernet Extender, 100Mbps, VDSL2, M12
      1 × £274.00
    • × PCI-1720U 12-bit, 4-ch Isolated Analog Output Universal PCI CardPCI-1720U 12-bit, 4-ch Isolated Analog Output Universal PCI Card
      1 × £309.00
    • × EKI-2728I 8GE Unmanaged Ethernet Switch, -40~75°CEKI-2728I 8GE Unmanaged Ethernet Switch, -40~75°C
      1 × £167.00
    • × EKI-2741FPI 1GE PoE, SFP Injector ,IEEE802.3af/at, 48VDC, -40~75℃EKI-2741FPI 1GE PoE, SFP Injector ,IEEE802.3af/at, 48VDC, -40~75℃
      1 × £311.00
    • × PCI-1716L 250 kS/sPCI-1716L 250 kS/s, 16-bit, 16-ch PCI Multifunction Card
      1 × £340.00
    • × FPM-7061T 6.5" VGA Industrial Monitor with Resistive Touchscreen, Direct-VGA/DP and Wide Operating Temperature RangeFPM-7061T 6.5" VGA Industrial Monitor with Resistive Touchscreen, Direct-VGA/DP and Wide Operating Temperature Range
      1 × £590.00
    • × EKI-7706G-2FI 4GE+2G SFP Managed Ethernet Switch, -40~75°CEKI-7706G-2FI 4GE+2G SFP Managed Ethernet Switch, -40~75°C
      1 × £435.00
    • × PCI-1604L 2-port RS-232 PCI Communication CardPCI-1604L 2-port RS-232 PCI Communication Card
      1 × £27.00

    Subtotal: £3,763.00

    View basketCheckout

  • Home

Serial Communication Cards RS232/422/485

Home / Serial Communication Cards RS232/422/485 / Page 2
Filter

Showing 25–30 of 30 resultsSorted by latest

“PCI-1604L 2-port RS-232 PCI Communication Card” has been added to your basket. View basket
Product categories
  • Data Acquisition Cards and Wiring
    • DAQ Cards PCI
    • DAQ Cards PCIe
    • Wiring and Relay Boards
  • Industrial Chassis
    • 19" Rackmount Chassis 1U/2U/4U/6U
    • Desktop & Wallmount
  • Industrial Communication
    • Industrial Ethernet Switches
      • Fiber Optic Media Converters
      • Industrial PoE Switches & Solutions
      • Managed Redundant Industrial Ethernet Switches
      • Unmanaged Industrial Ethernet Switches
    • Modbus Gateway
    • Power over Ethernet (PoE)
    • Serial Device Servers
    • Wireless Server
  • Industrial Motherboards
    • ATX Boards
    • Micro ATX
    • Mini ITX
    • Riser Cards
  • Industrial PCs
    • Embedded Automation Controllers
    • Embedded Box PCs
    • Intelligent Transportation Systems
    • Modular IPC
  • Modular DAC Systems
    • Analog I/O Modules
    • Controller I/O Rack
    • Digital I/O Modules
  • Panel PCs, Monitors and Workstations
    • Expandable Panel PC
    • Industrial Monitors
    • Industrial Workstation
    • Touch Panel Computers
    • WebOP Panel PCs
  • Remote Data Acquisition
    • IoT Wireless I/O Modules
    • Remote Ethernet
    • Remote RS485
    • Remote USB
    • Remote Wireless
    • Signal Conditioning
  • Serial Communication Cards RS232/422/485
    • Serial Cards ISA
    • Serial Cards PCI
    • Serial Cards PCIe
  • Single Board Computers
    • CPU Cards ISA/PCI/PCIe
      • Half Size
      • PCI & ISA
      • SHB Express
    • Passive Backplanes
      • Half-Size SBC Backplanes
      • PICMG 1.0 Full-Size SBC Backplanes
      • PICMG 1.3 Full-Size SHB Backplanes
    • PC Boards 3.5" & 5.25"
      • 3.5" SBC
      • 5.25" SBC
    • PC/104 Modules
      • PC/104 CPU Modules
      • PC/104 Datacom Modules
      • PC/104 I/O Modules
      • PC/104 Misc Modules

Your Basket

All Our Prices Exclude VAT

Next Day Delivery £10


Filter Products by Price
Price: —

Recently Viewed Products
  • EKI-5726NI 16 port Gigabit Ethernet Switch EKI-5726NI 16 port Gigabit Ethernet Switch £520.00 excl. vat
  • FPM-215W 15.6" WXGA Industrial Monitor with P-CAP Touch Control, Direct HDMI Port FPM-215W 15.6" WXGA Industrial Monitor with P-CAP Touch Control, Direct HDMI Port £590.00 excl. vat
  • PCI-1739U 48-ch Digital I/O Universal PCI Card PCI-1739U 48-ch Digital I/O Universal PCI Card £114.00 excl. vat
PCI-1612 4-port RS-232/422/485 PCI Communication Card

PCI-1612 4-port RS-232/422/485 PCI Communication Card

Call for Price
Read more
PCI-1610 4-port RS-232 PCI Communication Card w/Surge & Isolation

PCI-1610 4-port RS-232 PCI Communication Card w/Surge & Isolation

Call for Price
Read more
PCI-1604L 2-port RS-232 PCI Communication Card

PCI-1604L 2-port RS-232 PCI Communication Card

£27.00 excl. vat
Add to basket
PCI-1604 2-port RS-232 PCI Communication Card w/Surge & Isolation

PCI-1604 2-port RS-232 PCI Communication Card w/Surge & Isolation

£147.00 excl. vat
Add to basket
PCI-1602UP 2-port RS-232/422/485 Low-Profile PCI Communication Card with Isolation

PCI-1602UP 2-port RS-232/422/485 Low-Profile PCI Communication Card with Isolation

£112.00 excl. vat
Add to basket
PCI-1602 2-port RS-232/422/485 PCI Communication Card w/Surge & Isolation

PCI-1602 2-port RS-232/422/485 PCI Communication Card w/Surge & Isolation

£74.00 excl. vat
Add to basket
  • 1
  • 2
  • Privacy Policy
  • Terms & Conditions
  • Delivery and Returns
  • About Us
  • Contact
Copyright 2025 © Semaphore Systems | Website by Samson Web Design
  • Basket / £3,763.00
    • Basket
      • × USB-4604B 4-port RS232 Serial to USB Converter with ESD Surge ProtectionUSB-4604B 4-port RS232 Serial to USB Converter with ESD Surge Protection
        1 × £152.00
      • × PCI-1706U 250 kS/s, 16-bit, Simultaneous 8-ch Universal PCI Multifunction CardPCI-1706U 250 kS/s, 16-bit, Simultaneous 8-ch Universal PCI Multifunction Card
        1 × £737.00
      • × USB-4750 32-ch Isolated Digital I/O USB ModuleUSB-4750 32-ch Isolated Digital I/O USB Module
        1 × £150.00
      • × PCI-1680U 2-port CAN-bus Universal PCI Communication Card with Isolation ProtectionPCI-1680U 2-port CAN-bus Universal PCI Communication Card with Isolation Protection
        1 × £196.00
      • × PCIE-1602 2-port RS-232/422/485 PCIe Communication Card w/Surge & IsolationPCIE-1602 2-port RS-232/422/485 PCIe Communication Card w/Surge & Isolation
        1 × £75.00
      • × EKI-1751I Hardened Ethernet Extender, 100Mbps, VDSL2, M12EKI-1751I Hardened Ethernet Extender, 100Mbps, VDSL2, M12
        1 × £274.00
      • × PCI-1720U 12-bit, 4-ch Isolated Analog Output Universal PCI CardPCI-1720U 12-bit, 4-ch Isolated Analog Output Universal PCI Card
        1 × £309.00
      • × EKI-2728I 8GE Unmanaged Ethernet Switch, -40~75°CEKI-2728I 8GE Unmanaged Ethernet Switch, -40~75°C
        1 × £167.00
      • × EKI-2741FPI 1GE PoE, SFP Injector ,IEEE802.3af/at, 48VDC, -40~75℃EKI-2741FPI 1GE PoE, SFP Injector ,IEEE802.3af/at, 48VDC, -40~75℃
        1 × £311.00
      • × PCI-1716L 250 kS/sPCI-1716L 250 kS/s, 16-bit, 16-ch PCI Multifunction Card
        1 × £340.00
      • × FPM-7061T 6.5" VGA Industrial Monitor with Resistive Touchscreen, Direct-VGA/DP and Wide Operating Temperature RangeFPM-7061T 6.5" VGA Industrial Monitor with Resistive Touchscreen, Direct-VGA/DP and Wide Operating Temperature Range
        1 × £590.00
      • × EKI-7706G-2FI 4GE+2G SFP Managed Ethernet Switch, -40~75°CEKI-7706G-2FI 4GE+2G SFP Managed Ethernet Switch, -40~75°C
        1 × £435.00
      • × PCI-1604L 2-port RS-232 PCI Communication CardPCI-1604L 2-port RS-232 PCI Communication Card
        1 × £27.00

      Subtotal: £3,763.00

      View basketCheckout

  • Home
  • Login

Login

Lost your password?

Register

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.