Comprehensive Product Summary – EX9132CST-485 Ethernet to RS485/RS422 Converter

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### 1. Product Overview

Product Name: EX9132CST-485
Model: EX9132CST-485
Series: EX9132CST Series (Serial to TCP/IP Converter Family)
Article Number: EX9132CST-485
Manufacturer: TOPSCCC (Taiwan)
Product Type: Industrial Serial-to-Ethernet Converter
Version: 1.0.0 (Manual Reference, 30.03.2017)

The EX9132CST-485 is part of the EX9132CST series of industrial-grade serial-to-Ethernet converters designed to integrate legacy serial devices into modern TCP/IP-based networks. It provides a reliable and cost-effective solution for connecting RS-422/RS-485 serial interfaces to Ethernet LANs, enabling remote access, monitoring, and control of serial equipment over IP networks.

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### 2. Key Features

- High-Performance Embedded Processor:
Equipped with an ST ARM Cortex™-M3 32-bit CPU running at 72 MHz, providing efficient data handling and low latency for serial-to-Ethernet communication.

- Memory Architecture:
64 KB SRAM and 256 KB Flash ROM ensure stable operation and sufficient storage for firmware and configuration data.

- Dual Serial Interface Support:
Supports RS-422 and RS-485 (auto-detect) communication standards, allowing flexible integration with a wide range of industrial devices such as PLCs, sensors, meters, and controllers.

- Ethernet Connectivity:
10/100 Mbps auto-detecting Ethernet port with RJ-45 connector and built-in 1.5 kV magnetic isolation for enhanced electrical protection.

- Multiple Communication Modes:
Operates in TCP Server, TCP Client, UDP, Virtual COM, and Pairing modes, providing versatile network integration options.

- Web-Based Configuration:
Configuration via standard web browsers (Internet Explorer, Netscape) using HTTP protocol—no proprietary software required.

- Dynamic IP Configuration:
Supports DHCP client mode for automatic IP assignment, simplifying network setup and management.

- Security and Access Control:
Password-protected login prevents unauthorized access to configuration settings.

- Firmware Upgrade via Ethernet:
Supports remote firmware updates over the network, ensuring long-term maintainability and compatibility with evolving standards.

- Industrial-Grade Design:
Compact PVC enclosure, extended operating temperature range (-10°C to 70°C), and surge/overcurrent protection on serial lines.

- Diagnostic Indicators:
LED indicators for power, system status, data transmission (TX/RX), and LAN activity.

- Optional Digital I/O (DIO):
Some EX9132CST variants include 8 TTL-level digital I/O channels for remote monitoring and control.

- Cross-Platform Utility Support:
Includes Windows-based IP search and configuration utility (EX9132CST.exe) compatible with Windows 2000 through Windows 10.

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### 3. Technical Specifications

Processor: ST ARM Cortex™-M3, 32-bit, 72 MHz
Memory: 64 KB SRAM, 256 KB Flash ROM

Ethernet Interface:
- Connector: RJ-45
- Speed: 10/100 Mbps (auto-detect)
- Protocols Supported: ARP, IP, ICMP, UDP, TCP, HTTP, DHCP
- Modes: TCP Server, TCP Client, UDP, Virtual COM, Pairing
- Configuration: HTTP browser-based setup
- Security: Password login
- Isolation: 1.5 kV magnetic isolation

Serial Interface:
- Number of Ports: 1 (RS-422/RS-485 auto-detect)
- Connector Type: Terminal block (RS-422/485)
- Baud Rate: 300 bps to 115.2 Kbps
- Data Bits: 7 or 8
- Stop Bits: 1 or 2
- Parity: None, Odd, Even, Mark, Space
- RS-422 Signals: Tx+, Tx-, Rx+, Rx- (with surge and overcurrent protection)
- RS-485 Signals: Data+, Data- (with surge and overcurrent protection)
- Built-in Pull High/Low Resistors for RS-422/485 lines
- ESD Protection: 15 kV for all signal lines

Power Supply:
- Input Voltage: 9–24 VDC
- Current: 500 mA
- Connector: DC jack (default) or terminal block (optional)
- Polarity: Inner positive, outer negative

Physical Characteristics:
- Dimensions: 115 mm (W) × 90 mm (D) × 27 mm (H)
- Weight: 140 g
- Enclosure Material: PVC industrial-grade housing
- Mounting Options: DIN-rail or panel mounting (optional accessories)

Environmental Conditions:
- Operating Temperature: -10°C to +70°C
- Storage Temperature: -20°C to +80°C
- Humidity: 5–95% RH (non-condensing)

Indicators:
- RX (Red): Data reception indicator
- TX (Green): Data transmission indicator
- SYS (Green): System status indicator
- LAN 10/100M: Integrated LED on RJ-45 port

Compliance:
- RoHS Compliant
- FCC and CE Certified

Warranty: 1 Year Limited Warranty

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### 4. Functionality

The EX9132CST-485 functions as a serial-to-Ethernet converter, bridging traditional serial communication protocols (RS-422/RS-485) with modern TCP/IP networks. It encapsulates serial data into TCP/IP packets for transmission over Ethernet and decapsulates incoming network data back into serial form.

Typical Use Cases:
- Integrating legacy serial devices into LAN/WAN environments
- Remote monitoring and control of industrial equipment
- SCADA systems, building automation, and process control
- Data acquisition from sensors, meters, and PLCs
- Serial device networking in manufacturing or laboratory environments

Operating Modes:
- TCP Server Mode: Listens for incoming connections from remote clients.
- TCP Client Mode: Initiates connections to a designated server.
- UDP Mode: Supports broadcast or point-to-point datagram communication.
- Virtual COM Mode: Emulates a serial COM port on a PC, allowing legacy software to communicate over Ethernet transparently.
- Pairing Mode: Enables two converters to communicate directly over Ethernet, replacing long serial cables.

Compatibility:
Compatible with Windows operating systems (2000, 2003, XP, Vista, 7, 8, 10) via Virtual COM driver and configuration utility. Works with standard network APIs (Winsock, BSD Sockets).

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### 5. Components & Accessories

Package Contents:
- 1 × EX9132CST-485 Converter Unit
- 1 × Quick Installation Guide (in documentation CD)
- 1 × Software CD (includes configuration utility and drivers)

Optional Accessories:
- Power Adapter: 12V DC, 500 mA (optional, €9)
- DIN Rail Mounting Kit: For industrial cabinet installation (optional, €2)
- Low Voltage Cable: Optional accessory (€2)

Connectors:
- Ethernet: RJ-45 (10/100 Mbps)
- RS-422/485: Terminal block connector
- Power: DC jack (default) or terminal block (optional)

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### 6. Installation & Setup

Power Connection:
Connect a 9–24 VDC power supply to the DC jack (inner positive, outer negative). The device consumes approximately 500 mA.

Network Connection:
Connect the RJ-45 Ethernet port to a network switch or hub. The LAN LED will illuminate upon successful link detection.

Serial Connection:
Connect RS-422 or RS-485 devices using the terminal block. Ensure correct wiring according to the pin assignments:
- RS-422: T+, T-, R+, R-
- RS-485: D+, D-

Reset Function:
Press and hold the reset button for 3–4 seconds to restore factory defaults. Holding for more than 5 seconds enters firmware update mode.

Configuration Procedure:
1. Install and run the EX9132CST.exe utility on a Windows PC.
2. Ensure the PC and converter are on the same subnet (default IP: 192.168.0.xxx).
3. Use the utility to detect the device and open the configuration page.
4. Access the web interface via browser (default login: username “admin”, no password).
5. Configure network parameters (IP, subnet mask, gateway).
6. Set serial communication parameters (baud rate, parity, stop bits).
7. Save and reboot the device to apply changes.

Testing:
Use HyperTerminal or similar software to verify communication.
- RS-232 test: short pins 2 and 3 on DB9 connector.
- RS-422 test: short T+ to R+ and T- to R-.
- RS-485 test: connect two devices via D+ and D- lines.

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### 7. Performance & Capabilities

- Data Rate: 300 bps to 115.2 Kbps (serial side)
- Network Throughput: Up to 100 Mbps (Ethernet side)
- Latency: Minimal, optimized by ARM Cortex-M3 architecture
- Socket Connections: 1 simultaneous connection supported
- Reliability: Integrated watchdog timer ensures continuous operation
- Protection: Surge and overcurrent protection on serial lines; 15 kV ESD protection on all signals
- Efficiency: Low power consumption due to optimized 32-bit microcontroller design
- Limitations: Single socket connection per device; not suitable for high-bandwidth streaming applications

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### 8. Standards & Compliance

Electrical and Safety Standards:
- Built-in 1.5 kV magnetic isolation on Ethernet interface
- Surge and overcurrent protection on RS-422/485 lines
- 15 kV ESD protection on all signal lines

Environmental and Regulatory Compliance:
- RoHS: Fully compliant with Restriction of Hazardous Substances Directive
- FCC: Certified for electromagnetic compatibility in the United States
- CE: Conforms to European safety and EMC standards

Industry Protocols Supported:
- TCP/IP, UDP, HTTP, DHCP, ICMP, ARP
- Compatible with standard network APIs (Winsock, BSD Sockets)

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### 9. Additional Information

Warranty:
1-year limited manufacturer warranty covering defects in materials and workmanship.

Support & Maintenance:
- Firmware updates available via Ethernet for remote maintenance.
- Technical support and documentation accessible through the manufacturer’s website (www.topsccc.com).
- Free Virtual COM software and configuration utilities downloadable from the support portal.

Maintenance Recommendations:
- Ensure stable power supply within 9–24 VDC range.
- Avoid exposure to excessive humidity or corrosive environments.
- Periodically check firmware updates to maintain compatibility and security.
- Use surge-protected power sources in industrial environments.

Product Lifecycle & Updates:
The EX9132CST-485 is part of a long-term supported industrial product line. Firmware updates and configuration utilities are periodically released to enhance performance, security, and compatibility with new operating systems.

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### Summary

The EX9132CST-485 is a robust, industrial-grade Ethernet-to-RS485/RS422 converter engineered for seamless integration of serial devices into IP-based networks. Powered by a 72 MHz ARM Cortex-M3 processor, it delivers reliable, low-latency communication with flexible configuration options. Its compact design, extended temperature tolerance, and comprehensive protection features make it ideal for industrial automation, remote monitoring, and control applications. With web-based configuration, DHCP support, and firmware upgradability, the EX9132CST-485 offers a future-proof solution for modernizing legacy serial infrastructure while maintaining operational reliability and network security.