DeLOCK 90892 serial converter/repeater/isolator USB 2.0 RS-232 Green Stainless steel

The DeLOCK 90892 is a compact USB 2.0 to RS-232 serial converter designed to add a reliable serial RS-232 interface via an internal USB port. Housed in stainless steel with a green accent, the small adapter board (31 x 35 x 15 mm) is suitable for installation inside enclosures or on slot brackets and supports Windows 10 and Windows 11.

Advantages

The converter provides stable data transmission between USB and RS-232 devices, combining converter, repeater and isolator functions in a single unit. Its compact stainless-steel construction ensures mechanical durability while the internal USB connection allows discreet mounting. The device supports remote wake-up, power management and modem-related functions and offers wide compatibility with serial devices and PC applications.

Suitable for

• Connecting legacy serial devices to modern PCs via internal USB
• Mounting inside machine housings or on slot brackets where space is limited
• Industrial and embedded systems that require RS-232 communication with Windows 10/11 hosts

Key specifications

• Interface: USB 2.0 (internal) to RS-232
• Functions: converter, repeater, isolator
• Compatibility: Windows 10, Windows 11
• Dimensions: 31 x 35 x 15 mm
• Material / colour: stainless steel, green
• Brand / MPN / EAN: DELOCK / 90892 / 4043619908929

How to use

Install the adapter board in the target enclosure or on a slot bracket and connect its internal USB connector to an available internal USB header on the PC motherboard. Attach the RS-232 cable from the serial device to the adapter’s RS-232 interface. Install any required drivers on Windows 10 or Windows 11 if not provided automatically, then configure the serial port parameters (baud rate, parity, data bits, stop bits) in the host application to match the connected device.

Recommendations

For reliable operation, mount the adapter securely inside the enclosure to avoid mechanical stress on the connectors, confirm driver availability for your Windows version, and set matching serial parameters on both ends. Use appropriate shielding and cable routing in electrically noisy environments to preserve signal integrity.