| Technical details | |
| Compliance certificates | CE, RoHS |
| System requirements | |
| Windows operating systems supported | Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64 |
| Mac operating systems supported | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura |
| Linux operating systems supported | ![]() |
| Server operating systems supported | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
| Ports & interfaces | |
| Ports quantity | 4 |
| Connectivity technology | Wired |
| DC-in jack | ![]() |
| Host interface | USB 2.0 Type-B |
| Card reader integrated | ![]() |
| RS-232 ports | 4 |
| USB version | 2.0 |
| Hub interfaces | Serial |
| USB ports quantity | 1 |
| Weight & dimensions | |
| Weight | 382 g |
| Height | 25 mm |
| Width | 116 mm |
| Depth | 128 mm |
| Energy management | |
| Output voltage | 12 V |
| Output current | 1 A |
| Power plug type | Type N |
| Operational conditions | |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 85 °C |
| Operating temperature (T-T) | 0 - 55 °C |
| Networking | |
| Maximum data transfer rate | 0.9216 Mbit/s |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| Wi-Fi | ![]() |
| Packaging data | |
| Package weight | 598 g |
| Package depth | 245 mm |
| Package height | 57 mm |
| Package width | 169 mm |
| Packaging content | |
| Cables included | USB |
| Manual | ![]() |
| DIN rail kit included | ![]() |
| Other features | |
| Chipset | FTDI - FT4232H |
| Cable length | 2 m |
| Ports quantity | 4 |
| Housing material | Steel |
| Design | |
| Internal | ![]() |
| Form factor | External |
| Plug and Play | ![]() |
| Product colour | Black |
| Country of origin | China |
| Performance | |
| Interface type | USB |
| Baud rate | 921.6 Kbit/s |
| Data bits | 7, 8 |
| Stop bits | 1, 2 |
| Parity bit | Even, Mark, No, Odd, Space |
| Features | |
| Plug and Play | ![]() |
| LED indicators | Power |
| Data transfer rate | 0.0009216 Gbit/s |
| Product colour | Black |
| Housing material | Steel |
| Hot-swap | ![]() |
| Surge protection | ![]() |
| Logistics data | |
| Master (outer) case height | 413 mm |
| Master (outer) case width | 434 mm |
| Master (outer) case length | 477 mm |
| Products per master (outer) case | 15 pc(s) |
| Harmonized System (HS) code | 84719000 |
| Sustainability | |
| Sustainability compliance | ![]() |
| EAN | 0065030878562 |
| Warranty | 2 years |
The StarTech ICUSB234854I 4-Port Industrial USB to RS-232/RS-422/RS-485 Serial Adapter (15 kV ESD) connects legacy machinery to modern computers via a single USB 2.0 Type-B interface. It supports simultaneous multi-channel communication for environments using industrial sensors, barcode scanners, and control hardware. The device supports data transfer rates of up to 0.9216 Mbit/s for continuous data streams. This is a wired serial adapter and does not include Wi-Fi, Ethernet, or Bluetooth connectivity.
The adapter is housed in a steel casing with an IP30 rating. It measures 116 mm by 128 mm, weighs 382 g, and is designed for enclosure mounting. LED indicators display power status and transmit/receive signal activity. A 12 V DC-in jack provides power for multi-port configurations. The device is compatible with Windows, Linux, macOS, and Windows Server distributions.
Key Features:- Four DB-9 serial connectors for independent communication channels
- Internal FTDI FT4232H controller for hardware data conversion
- Selectable 2-wire and 4-wire modes for specific RS-485 wiring layouts
- Plug-and-play operation with an included 2-metre cable for initial setup
Estimated delivery: 17.09 - 20.09
Today: 10:00 - 18:00
Estimated delivery: 17.09 - 20.09
Today: 09:00 - 17:00
Estimated delivery: 17.09 - 20.09
Today: 10:00 - 17:00
Estimated delivery: 17.09 - 20.09
Today: 10:00 - 18:00
Estimated delivery: 17.09 - 20.09
Today: 10:00 - 17:00
Estimated delivery time: 17.09 - 20.09
Estimated delivery time: 17.09 - 19.09
Estimated delivery time: 18.09 - 20.09
Estimated delivery time: 18.09 - 20.09
Estimated delivery time: 18.09 - 19.09
Estimated delivery time: 17.09 - 20.09
Estimated delivery time: 17.09 - 20.09
Estimated delivery time: 18.09 - 19.09
- manual pdf (English)
- leaflet (Svenska)
- leaflet (English)


