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Express Systems will have an EARLY CLOSING Thursday, June 18th, 2026 and will be CLOSED June 19th, 2026 in observance of Juneteenth. We will resume regular business hours Monday, June 22nd, 2026 at 9:00am EST.
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DeviceMaster EtherNet/IP to Modbus
DeviceMaster PROFINET to Modbus
IO-Link Gateways
IO-Link Blocks
IO-Link Master Gateways
Industrial MultiPort Serial Boards
RocketPort BroadPort 550 Serial Boards & SMPTE Serial Boards
RocketPort Express (PCIe) Serial Boards
RocketPort Express PCIe 4 Port
RocketPort Express PCIe 8 Port
RocketPort Express PCIe 16 Port
RocketPort Express PCIe 32 Port
RocketPort Express Interface Boxes/Cables
RocketPort Infinity (UPCI and PCI-X) Serial Boards
RocketPort Infinity PCI-x 4 Port
RocketPort Infinity PCI-x 8 Port
RocketPort Infinity PCI-x 16 Port
RocketPort Infinity PCI-x 32 Port
RocketPort Infinity Interface Boxes/Cables
RocketLinx Ethernet Switches
RocketLinx Accessories
RocketLinx DIN Rail Managed Switches
RocketLinx DIN Rail Power Supplies
RocketLinx DIN Rail Unmanaged Switches
RocketLinx PoE Switches
RocketLinx PoE DIN Rail Managed Switches
RocketLinx PoE DIN Rail Unmanaged Switches
RocketLinx Rackmount Managed Switches
DeviceMaster Ethernet Device Server
DeviceMaster 1 Port
DeviceMaster 2 Port
DeviceMaster 4 Port
DeviceMaster 8 Port
DeviceMaster 16 Port
DeviceMaster 32 Port
Industrial Ethernet Media Converters
Industrial Serial to Fiber Converters
DeviceMaster UP Gateways
DeviceMaster UP 1 Port
DeviceMaster UP 2 Port
DeviceMaster UP 4 Port
Accessories
Comtrol Power Accessories
Comtrol Cable & Interface Assemblies
Comtrol Mounting Hardware
Pepperl+Fuchs Comtrol Misc Accessories
RocketLinx SFP Fiber modules
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DeviceMaster Ethernet Device Server
DeviceMaster 1 Port
1 port DeviceMaster RTS serial device servers; embedded model available.
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DeviceMaster 2 Port
2 port DeviceMaster RTS secure serial device servers; available with various port configurations.
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DeviceMaster 4 Port
4 port DeviceMaster RTS secure serial device servers; available with DB9M or RJ45 serial ports.
More Info ›
DeviceMaster 8 Port
8 port DeviceMaster RTS and Pro serial device servers; available with DB9M or RJ45 serial ports.
More Info ›
DeviceMaster 16 Port
16 port DeviceMaster RTS and Pro serial device servers; available with DB9M or RJ45 serial ports.
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DeviceMaster 32 Port
32 port DeviceMaster RTS serial device server with RJ45 RS232/422/485 ports.
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