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The SeaLINK/PC.SC (Model 2128) is a compact, internal USB to serial adapter offering a single software-configurable RS-232/422/485 port. Designed for embedded system integration, it supports high-speed communication, minimal CPU load, and legacy software compatibility—ideal for OEM or industrial PC builds..
The SeaLINK/PC.SC (Model 2128) provides a robust solution for embedded computing platforms needing a single, high-performance serial port without the bulk of external adapters. It mounts securely to a PC chassis via the included bracket and connects internally to a USB header using the provided CA260 cable. This setup creates a clean, professional hardware integration.
Using Sealevel’s SeaCOM drivers, the adapter appears as a standard COM port to the host system, ensuring compatibility with legacy serial-based applications. Configuration is done entirely through software, allowing technicians to assign RS-232, RS-422, or RS-485 on the fly without opening enclosures.
Ideal for ITX, EBX, or ATX system builds, the 2128 is widely used in embedded control, industrial automation, and OEM solutions where durability, performance, and configurability are critical. The design includes built-in automatic RS-485 control and status LEDs to simplify field diagnostics and deployment.
Single port with software configuration for RS-232, RS-422, or RS-485
Embedded design with PC bracket for chassis integration
No dip switches or jumpers required—fully driver-controlled setup
Retains interface settings across reboots and system changes
State-machine UART architecture reduces CPU load
Supports up to 921.6K bps data rate
USB bus-powered, no external power required
Includes CA260 USB header cable (0.1" pitch)
Optional CA383 cable available for 2mm pitch headers
RoHS and WEEE compliant with modem control in RS-232 mode
| Parameter | Value |
|---|---|
| Model | SeaLINK/PC.SC (2128) |
| Host Interface | USB (Internal Header) |
| Number of Ports | 1 |
| Serial Interface | RS-232, RS-422, RS-485 |
| Connector Type | DB9M |
| Configuration Method | Software-Controlled |
| Max Data Rate | 921.6K bps |
| Max Data Distance | 50 ft (RS-232), 4000 ft (RS-485) |
| USB Connector | Internal Header (0.1" via CA260) |
| USB Specification | USB 1.1 Compliant; USB 2.0 Compatible |
| Power Requirement | USB Bus-Powered |
| Operating Temperature | 0°C to 70°C (Optional -40°C to 85°C) |
| Storage Temperature | -50°C to 105°C |
| Communication Chip | USB/UART |
| Dimensions | 2.9" (L) x 2.4" (W) |
| High Retention USB | No |
| Humidity Range | 10–90% Relative Humidity, Non-Condensing |
| Enclosure | Internal PC Bracket Mounted |
| Product Family | SeaLINK |