*Surface Mounting screws not included.
2-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ 25kV ESD & 2kV Optical Isolation Protection
$157.99
Regular Price
- Superior Build Quality: Housed in a rugged steel chassis with built in mountable flanges, the serial adapter hub is perfect for installations in labs, warehouses, or heavy machinery.
- Safe Industrial Connections: Designed for use with Bar Code Scanners, Time Clocks, Label & Receipt Printers, and other legacy devices the USB to Serial Adapter offers 25kV surge protection for connected devices.
- Expand Your Serial Capabilities: Connect 2 legacy 9-pin serial device through a USB-A port to add legacy functionality to newer technologies with no serial port connections.
- COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
- USB Power: Power is drawn from a USB connection, no bulky power supply or power outlet is required.
- Upstream: 1 USB port, Type B Female Connector
- Downstream: 2 Male DB9, w/ nuts
- LEDs: Power, TX / RX
Availability:
On Backorder
Expected January 6, 2027
Model Number: USB-2COM-SI-M
Documentation & Downloads
2-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ 25kV ESD & 2kV Optical Isolation Protection
$157.99
Details
Introduction:
The USB-2COM-SI-M USB Serial Adapter simplifies serial port expansion, allowing you to quickly add 2 serial communication ports to your system by connecting it to a USB port on your computer or hub. With plug-and-play functionality and hot-swapping capabilities, this adapter makes it easy to integrate legacy serial devices without the usual setup headaches. In addition, the USB Serial Adapter safeguards connected equipment with 200V DC optical isolation and 25kV ESD surge protection, ensuring reliable performance in harsh environments.
Once connected, the adapter is automatically detected by your system, with no need for extra resources like IRQs or memory allocation. The DB9 RS-232 ports functions as a native Windows COM ports, offering full compatibility with Windows serial communication applications, and each port is individually configurable to meet specific system requirements.
Built for industrial and commercial use, the USB Serial Adapter provides reliable RS-232 connectivity for devices such as factory automation equipment, barcode scanners, time clocks, and data collection tools. It’s ideal for high-speed communication in demanding environments like manufacturing, remote access setups, and data-driven applications.
Features:
- Adds two high speed RS-232 serial port by connecting to a USB port
- 2000V DC optical isolation for all signals
- SECC metal chassis suitable for DIN rail mounting
- Powered by USB port, no external power adapter required
- LEDs indicate TxD and RxD for easy port monitoring and diagnosis
- Installs as a standard Windows COM port
- Full RS-232 modem control signals and hardware/software flow control
- Serial port protected with surge protection of 25kV
- Non-standard baudrates supported
- Easy plug and play installation and RS-232 device connection
- High speed serial port with baud rate up to 1Mbps
OS Support:
- Supports Windows XP to 11, Server 2000 to Server 2022 (WHQL certified)
- Supports Linux Kernel 3.0 and above
- Supports Mac OS X 10.3 and above
Package Contents:
- 2 Port USB to Serial RS-232 DB-9 Adapter Device
- 3 foot USB A to B cable
- Driver Disc/Manual
Technical Specifications
| UPC | 729440690755 |
|---|---|
| Manufacturer | Coolgear |
| Warranty | One Year |
| Country of Origin | Taiwan |
| Item Length (in) | 4.54 |
| Item Width (in) | 3.62 |
| Item Height (in) | 1.05 |
| LED Indicators | Power, RX / TX |
| Connector(s) | DB9 Male w/ Nuts, USB 2.0 Type B Female |
| Serial Modes | RS232 |
| OS Support / Compatibility | Windows XP, Linux, Windows Vista, Windows 7, Windows 8, Windows 10, Windows 11, Mac OS |
| ESD Protection | 25kV Surge Protection |