Comprehensive Product Summary: TOPSCCC EX9188E3D-512 Embedded DOS System

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### 1. Product Overview

Product Name: EX9188E3D-512
Model: EX9188E3D-512
Series: EX9188E Embedded DOS Controller Series
Article Number: EX9188E3D-512
Manufacturer: TOPSCCC (Taiwan)

The TOPSCCC EX9188E3D-512 is an industrial-grade embedded DOS controller designed for Ethernet-based automation, data acquisition, and serial communication applications. It integrates multiple serial interfaces (RS-232 and RS-485), a 10Base-T Ethernet port, and a robust embedded DOS operating environment. The system is built around an Intel 80188 40 MHz CPU and includes 512 KB of Flash memory and 512 KB of SRAM. Its fanless, compact, and vibration-resistant design makes it suitable for harsh industrial environments, with DIN-rail mounting capability and wide temperature tolerance.

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### 2. Key Features

- Embedded DOS Platform: Runs Datalight ROM-DOS with MiniBIOS and Sockets TCP/IP stack for reliable embedded operation.
- CPU: Efficient Intel 80188 processor operating at 40 MHz.
- Memory: 512 KB Flash memory and 512 KB static RAM for program and data storage.
- Interfaces:
- 2 × RS-232 ports (5-wire hardware flow control on COM1)
- 1 × RS-485 port with automatic direction control
- 1 × 10Base-T Ethernet port (RJ-45 connector)
- Display: Integrated 5-digit 7-segment LED display for system status and configuration feedback.
- Real-Time Clock (RTC): Built-in RTC with NVRAM and serial EEPROM for persistent configuration storage.
- Fanless Design: Passive cooling for silent and maintenance-free operation.
- Compact Industrial Enclosure: Shock- and vibration-resistant housing suitable for DIN-rail mounting.
- Wide Temperature Range: Designed for industrial environments with extended operating temperature tolerance.
- Virtual COM Port Support: VSP/VirCOM software enables transparent Ethernet-to-serial communication, allowing legacy COM-based applications to operate over TCP/IP networks.
- Network Integration: Fully compatible with standard LAN infrastructures; supports up to 255 virtual COM ports on a host PC.
- Software Utilities: Includes a suite of configuration and diagnostic tools (Infoset.exe, Xcom.exe, NetTest, Xm.exe, Romdisk.exe, Torom.exe, etc.).

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Processor | Intel 80188, 40 MHz |
| Memory | 512 KB SRAM, 512 KB Flash |
| Storage | ROM-DOS ROM Disk (Flash-based), optional RAM Disk (VDISK) |
| Display | 5-digit 7-segment LED |
| Serial Ports | 2 × RS-232, 1 × RS-485 (auto direction control) |
| Ethernet | 10Base-T, RJ-45 connector (RTL8019 controller) |
| RTC | Built-in Real-Time Clock with NVRAM |
| EEPROM | Serial EEPROM (Block 7 reserved for system data) |
| Timers | 1 × system timer (INT 08h), 1 × general-purpose timer |
| I/O Mapping | 0x000–0x0FF: Add-on card (16C550 UARTs); 0x300–0x3FF: Ethernet controller |
| Memory Mapping | 0x00000–0x7FFFF: SRAM; 0x80000–0xEFFFF: Flash; 0xF0000–0xFFFFF: BIOS/ROM-DOS |
| Default COM Settings | COM1: 57600 bps, 8 N 1; COM2–COM8: 9600 bps, 8 N 1 |
| Power Supply | DC input (specification dependent on installation model) |
| Mounting | DIN-rail or panel mount |
| Cooling | Fanless, passive heat dissipation |
| Operating System | Datalight ROM-DOS with MiniBIOS and Sockets TCP/IP stack |
| Software Environment | Supports C/C++ development with library APIs for Flash, NVRAM, LED, COM, Timer, and Socket functions |
| Weight/Dimensions | Compact industrial module (dimensions vary by enclosure type; typically < 1 kg) |

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### 4. Functionality

The EX9188E3D-512 functions as a network-based embedded controller and serial-to-Ethernet converter. It allows remote access and control of serial devices over TCP/IP networks, enabling integration of legacy RS-232/RS-485 equipment into modern Ethernet infrastructures.

Operational Modes:
- TCP Mode: Normal operation for Ethernet communication.
- ROM-DOS Mode: Activated by grounding the INIT* pin during startup for local DOS-level access and configuration.

Use Cases:
- Industrial automation and process control
- Remote data acquisition and monitoring
- Serial device networking (PLC, sensors, meters)
- Legacy system integration via virtual COM ports
- Embedded control applications requiring deterministic DOS environment

Compatibility:
- Works with standard Ethernet networks (10Base-T)
- Compatible with Windows-based host systems using VSP/VirCOM drivers
- Supports Datalight Sockets API for TCP/IP communication

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### 5. Components & Accessories

Included Components:
- EX9188E3D-512 main module
- Integrated 5-digit LED display
- Built-in RTC, NVRAM, and EEPROM
- Ethernet and serial interfaces
- Pre-installed ROM-DOS operating system

Software Utilities (included or downloadable):
- Infoset.exe: Modify model, IP, gateway, and COM settings
- Xm.exe: File transfer utility (Xmodem protocol)
- Romdisk.exe / Torom.exe: Create and update ROM-DOS disk images
- Vdisk.sys: Configure RAM disk
- N.com / Socketp.exe: Enable network stack and TCP/IP functionality
- Xping.exe: Network connectivity test utility
- Xcom.exe: Server program for command and data handling
- NetTest: PC-based diagnostic and command interface
- VSP/VirCOM: Virtual COM port driver for Windows

Optional Add-ons:
- RS-232 expansion cards (up to 6 additional ports via 16C550 UARTs)
- AD/DA or digital I/O modules (depending on configuration)
- External power supply and DIN-rail mounting accessories

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### 6. Installation & Setup

Requirements:
- DC power source (per model specification)
- Ethernet connection via RJ-45 cable
- Serial connection (RS-232/RS-485) as required
- PC with HyperTerminal or equivalent terminal software for configuration

Mounting Options:
- DIN-rail mounting (recommended for industrial panels)
- Panel or enclosure mounting

Configuration Steps:
1. Connect COM1 of EX9188E to PC COM port.
2. Configure terminal: 57600 bps, 8 N 1, no flow control.
3. Power on the device (default TCP mode).
4. To enter ROM-DOS mode, momentarily connect INIT* pin to GND during boot.
5. Use DOS prompt (A:\>) for file management and configuration.
6. Modify network and serial settings using Infoset.exe.
7. Enable network functions via run.bat (executes N.com and Socketp.exe).
8. Test connectivity using Xping.exe or NetTest.

Firmware/ROM Updates:
- Use Romdisk.exe and Torom.exe to create and upload new ROM-DOS images.
- Transfer via Xmodem protocol within 60 seconds to avoid timeout.
- Ensure INIT* pin is disconnected before completion to prevent system hang.

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### 7. Performance & Capabilities

- Processing Speed: 40 MHz 80188 CPU ensures deterministic real-time performance.
- Memory Efficiency: 512 KB SRAM for runtime operations; 512 KB Flash for firmware and ROM-DOS storage.
- Networking: 10Base-T Ethernet with TCP/IP stack (Datalight Sockets).
- Serial Communication:
- RS-232: Up to 115200 bps
- RS-485: Auto-direction control for multi-drop networks
- Virtual COM Ports: Supports up to 255 virtual ports via VSP/VirCOM.
- Data Throughput: Optimized for low-latency serial-to-Ethernet conversion.
- Reliability: Fanless design and solid-state storage ensure high MTBF.
- Limitations:
- Limited memory (1 MB total) restricts complex multitasking.
- DOS environment lacks modern multitasking and file system features.
- 10Base-T Ethernet speed (10 Mbps) may limit high-bandwidth applications.

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### 8. Standards & Compliance

- Networking: IEEE 802.3 10Base-T Ethernet standard
- Serial Communication: RS-232 and RS-485 electrical standards
- Operating System: Datalight ROM-DOS (MS-DOS compatible)
- BIOS: Datalight MiniBIOS compliant with x86 interrupt conventions
- EMC/EMI: Designed for industrial environments (compliance dependent on enclosure)
- Software Stack: Datalight Sockets TCP/IP API compliant with standard BSD socket functions
- Mounting & Safety: DIN-rail industrial standard (EN 60715)

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### 9. Additional Information

Warranty:
Standard manufacturer warranty (typically 1 year, extendable depending on distributor policy).

Technical Support:
- Documentation and software available at [www.topsccc.com.tw](http://www.topsccc.com.tw)
- VSP driver available from TOPSCCC; VirCOM driver from Easyunet Co.
- Datalight ROM-DOS and Sockets support available from [www.datalight.com](http://www.datalight.com)

Maintenance:
- No moving parts; minimal maintenance required.
- Periodic firmware updates via ROM-DOS utilities recommended.
- Configuration backup via Infoset.exe and EEPROM storage.

Software Development:
- C/C++ libraries provided for Flash, NVRAM, LED, COM, Timer, and Socket APIs.
- Developers can build custom applications using Datalight Sockets 2.0 Developer’s Guide.

Updates & Upgrades:
- Firmware and ROM-DOS image updates via Torom.exe utility.
- Network configuration adjustable via Infoset.exe or Xcom command interface.
- Supports remote diagnostics and configuration through NetTest utility.

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### Summary

The TOPSCCC EX9188E3D-512 is a compact, fanless, and highly reliable embedded DOS controller tailored for industrial automation and serial-to-Ethernet communication. Its combination of Intel 80188 processing power, robust DOS environment, and versatile communication interfaces makes it ideal for integrating legacy serial devices into modern networked systems. With built-in ROM-DOS, TCP/IP stack, and comprehensive software utilities, it provides a stable and developer-friendly platform for embedded control, monitoring, and data acquisition applications in demanding industrial environments.