Product Type | USB to Serial Adapter |
Form Factor | External |
Enclosure Material | Metal |
Installation Type | Desk, Wall, or DIN Rail Mountable |
Power Requirements | DC 12V (via AC adapter) / 5V via USB |
Included Accessories | 6ft USB cable, 12V power adapter |
Baud Rate Support | Up to 921.6 Kbps |
Weight | 0.6 lb (approximate) |
STARTECH 4 Port USB to RS232/RS422/RS485 Serial Adapter





Key Benefits

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- Flexible multi-protocol support (RS232/RS422/RS485) enables broad device compatibility
- Industrial-grade IP30-rated build with varied mounting options increases installation versatility
- Includes essential accessories (USB cable and external power adapter), reducing additional procurement steps
Product Overview
Industrial 4 port serial hub 15kV Level 4 ESD - IP30 rating metal USB to serial adapter converter w/ each DB9 port set to RS232/RS422/RS485(2wire/4wire) baud rates up to 921.6Kbps - Desk/wall/DIN rail mount - 6ft USB cable - 12V power adapter/5V USBSpecifications
Product Overview
Wireless Features
Wi-Fi Support |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | FCC, CE, RoHS, REACH |
Warranty | 2 Years |
Advanced Security Features
Serial Port Isolation | 2.5kV isolated serial ports |
Surge Protection | 15kV ESD Surge Protection |
Tamper Protection |
Interfaces
Host Interface | USB 2.0 Type-B |
Serial Ports | 4 x DB9 |
Port Configuration | Each port independently RS-232, RS-422 or RS-485 (2-wire/4-wire) |
Data Bits | 5, 6, 7, 8 |
Stop Bits | 1, 1.5, 2 |
Parity | None, Even, Odd, Mark, Space |
Flow Control | None, XON/XOFF, RTS/CTS |
Max Data Transfer Rate | 921.6 Kbps |
Interface Chipset | FTDI FT4232HL |
Physical & Environmental
Width | 4.6 in (117 mm) |
Depth | 5 in (127 mm) |
Height | 1 in (25 mm) |
Mounting Options | Desk, wall, DIN rail |
Enclosure Color | Black |
Operating Temperature | -10°C to 55°C (14°F to 131°F) |
Storage Temperature | -20°C to 85°C (-4°F to 185°F) |
Relative Humidity | 5% to 95% RH (non-condensing) |
ESD Protection | 15kV (Air), 8kV (Contact), Level 4 |
IP Rating | IP30 |
Cloud Management & Licensing
Remote Management | |
Cloud Platform | |
License Included |