Industrial Isolated USB To 4-Ch RS232 Converter, USB To Serial Adapter, Original FT4232HL Chip, Mac / Linux / Android / Windows Multi-OS Compatible, Wall-Mount Support
Features:
- Adopts original FT4232HL chip, fast communicating, stable and reliable, better compatibility
- Supports USB to 4-ch isolated RS232, convenient for expanding multiple RS232 industrial serial devices
- Onboard unibody power supply isolation, provides stable isolated voltage
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning proof & ESD protection
- Onboard self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, improve shockproof performance
- The onboard power supply screw terminal, allows 5V~36V DC wide-range input
- 9 LEDs for indicating the power and transceiver status
- Aluminium alloy enclosure with sandblasting and anodic oxidation, solid and durable
Version Options
USB TO 4CH RS232
to 4-ch RS232 male port
USB TO 4CH RS232 (F)
to 4-ch RS232 female port
Specifications
PRODUCT TYPE |
Industrial USB to RS232 isolated converter |
HOST PORT |
USB |
DEVICE PORT |
RS232 |
BAUD RATE |
300bps ~ 921600bps |
USB |
Operating voltage |
5V |
Connector |
USB-B |
Protection |
200mA self-recovery fuse, isolated output |
Transmission distance |
about 5m |
POWER SUPPLY INTERFACE |
Power supply |
5~36V DC screw terminal |
Protection |
Anti-reverse |
ISOLATED RS232 |
Connector |
DB9 male/female |
Protection |
TVS diode, surge protection & ESD protection, power isolation and signal isolation |
Transmission mode |
Point-to-point |
Transmission distance |
about 15m |
INDICATORS |
PWR |
Red power indicator, lights up when there is USB connection and voltage is detected |
TXD1~4 |
Green TX indicator, blinking when the RS232 port is sending data |
RXD1~4 |
Blue RX indicator, blinking when the RS232 port is receiving data |
OPERATING ENVIRONMENT |
Temperature range |
-40℃ ~ 85℃ |
Humidity range |
5%RH~95%RH |
OPERATING SYSTEM |
MacOS, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7 |

Safer Isolated Design
- Onboard unibody power supply isolation, provides stable isolated voltage
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Multiple Protection, Safe And Stable
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, and improve shock proof performance.
Multi-System Support
Supports MacOS, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, Etc.
Aluminum Alloy Enclosure
Aluminum Alloy Enclosure With Sand Blasting And Anodic Oxidation, Solid And Durable
Pin Definition
Outline Dimensions