Comprehensive Product Summary – TRP-C34X 32-bit RS232/422/485 Isolated Device Server

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### 1. Product Overview

Product Name: TRP-C34X
Model: TRP-C34X
Series: TRP-C Series Serial Device Servers
Article Number: TRP-C34X
Manufacturer: Trycom Technology Co., Ltd.
Manufacturer Contact:
Tel: +886-3-3503351
Fax: +886-3-3503352
Website: [www.trycom.com.tw](http://www.trycom.com.tw)

Product Type: 32-bit Ethernet to RS232/RS422/RS485 Optical-Isolated Converter and Serial Device Server
Version: User Manual Version 1.2 (Printed October 2013)

The Trycom TRP-C34X is a compact, industrial-grade serial device server designed to connect RS232, RS422, and RS485 serial devices to Ethernet networks. It provides a transparent, bi-directional data communication bridge between serial interfaces and TCP/IP networks, enabling remote access, monitoring, and control of serial equipment as if they were locally connected to a PC COM port.

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### 2. Key Features

- Multi-Protocol Serial-to-Ethernet Conversion: Supports RS232, RS422, and RS485 interfaces with automatic direction control for RS485.
- 3KV Optical Isolation: Built-in 3KV optical isolation between serial and Ethernet interfaces to protect against ground loops and electrical surges.
- Surge, Overcurrent, and Overvoltage Protection: Enhanced protection on RS422/485 data lines for industrial reliability.
- Multiple Operation Modes:
- Real COM Mode (RFC 2217 compliant)
- TCP Server Mode
- TCP Client Mode
- UDP Mode
- High Performance 32-bit CPU: 170 MHz processor with MMU, 32 MB SDRAM, and 8 MB Flash memory for stable operation.
- Wide Power Input Range: Accepts DC +10V to +30V via screw terminal or DC jack (5.5 × 2.1 mm).
- Auto-MDIX Ethernet Port: 10/100 Mbps auto-detecting LAN interface with automatic crossover detection and correction.
- Multi-Host Connectivity: Supports up to 4 simultaneous host connections per port in TCP Server or TCP Client mode.
- Web, Telnet, and Windows Configuration: Configurable via Web Console, Telnet Console, or Windows-based Serial Server Admin Utility.
- Virtual COM Port Drivers: Compatible with Windows XP, Vista, 2000, 2003/2008 Server, and Windows 7 (32-bit and 64-bit).
- Security and Management Features:
- Accessible IP list for authorized host control
- Auto IP Address Reporting
- Auto Warning via Email or SNMP Trap
- Password protection and factory reset button
- LED Indicators: Power, Link, and dual TX/RX indicators for RS232 and RS422/485 ports.
- Mounting Options: DIN rail or panel mounting supported.
- Standalone Operation: No external host required for operation once configured.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| CPU | 32-bit, 170 MHz with MMU |
| Memory | 32 MB SDRAM, 8 MB Flash |
| Power Input | DC +10V to +30V |
| Power Consumption | 12V / 230 mA (without external device) |
| LAN Interface | 10/100 Mbps Auto-detecting, Auto-MDIX |
| Serial Interfaces | RS232, RS422, RS485 (selectable) |
| RS232 Signals | TXD, RXD, RTS, CTS, ISO GND |
| RS422 Signals | TX+, TX–, RX+, RX–, ISO GND |
| RS485 Signals | Data+, Data–, ISO GND |
| Optical Isolation | 3KV between serial and Ethernet |
| ESD Protection | ±15 KV on serial interface |
| Surge Protection | RS422/485 lines protected against surge, overcurrent, and overvoltage |
| Data Rate | 75 bps to 921.6 Kbps |
| Data Bits | 5, 6, 7, or 8 |
| Stop Bits | 1, 1.5, or 2 |
| Parity | None, Even, Odd |
| Protocols Supported | ICMP, TCP/IP, UDP, DHCP, BOOTP, Telnet, DNS, SNMP, HTTP, SMTP, SNTP |
| Configuration Interfaces | Windows Admin Utility, Web Console, Telnet Console |
| Operating Temperature | 0°C to 65°C |
| Humidity | 0–90% RH, non-condensing |
| Dimensions | 141 mm (L) × 78 mm (W) × 26.5 mm (H) |
| Weight | 450 g (with packaging) |
| Mounting | DIN rail or panel mount |
| Default Password | trycom |
| Default IP Configuration | DHCP enabled, accessible via Admin Utility |

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### 4. Functionality

The TRP-C34X acts as a transparent bridge between serial devices and Ethernet networks. It allows legacy serial equipment to communicate over TCP/IP without modifying existing software applications.

Operating Modes:

1. Real COM Mode:
- Maps the TRP-C34X’s serial port to a virtual COM port on the host PC.
- Enables existing serial communication software (e.g., HyperTerminal) to operate over Ethernet transparently.
- Uses RFC 2217 protocol for remote serial port control.

2. TCP Server Mode:
- The TRP-C34X listens for incoming TCP connections on a specified port.
- Up to 4 simultaneous host connections are supported.
- Ideal for centralized data collection from multiple clients.

3. TCP Client Mode:
- The device initiates a TCP connection to up to 4 predefined remote hosts when serial data is received.
- Supports automatic disconnection based on inactivity or TCP alive timeout.

4. UDP Mode:
- Enables multicast or broadcast communication for high-speed, low-latency applications.
- Suitable for message display systems or distributed monitoring.

Use Cases and Applications:
- Industrial automation and control systems
- Data acquisition and SCADA systems
- POS terminals and barcode scanners
- Magnetic card readers and serial thermometers
- CNC controllers and elevator control systems
- Remote monitoring of industrial PCs and sensors

Compatibility:
- Fully compatible with Ethernet and TCP/IP networks.
- Supports Windows operating systems with virtual COM drivers.
- Works with standard serial communication software.

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### 5. Components & Accessories

Included Components:
- TRP-C34X main unit
- User manual and documentation
- Configuration software (Serial Server Admin Utility)
- Mounting hardware (DIN rail/panel)
- Power connector (screw terminal)

Optional Accessories:
- External DC power adapter (10–30V DC, 5.5 × 2.1 mm plug)
- Ethernet cable (RJ45, straight or crossover)
- RS232/422/485 connection cables
- Loopback test connectors for diagnostics

Connectors:
- DC Jack: 5.5 × 2.1 mm, DC +10V to +30V input
- Screw Terminal: Alternative DC power input (do not use both simultaneously)
- RJ45 Port: Ethernet connection (Auto-MDIX)
- Serial Terminals: RS232/422/485 signal lines with isolation ground

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### 6. Installation & Setup

Power Connection:
- Connect DC power via either the DC jack or screw terminal (not both).
- PWR LED blinks during boot and remains ON when ready.

Network Connection:
- Connect Ethernet cable (straight or crossover) to LAN port.
- LINK LED indicates active network connection.

Serial Connection:
- RS232: Connect using standard serial cable.
- RS422/485: Connect using twisted pair wires (AWG #12–30).
- RS485 supports half-duplex; RS422 supports full-duplex operation.

Configuration Methods:
1. Windows Serial Server Admin Utility:
- Detects devices on the network.
- Allows configuration of IP, serial parameters, and operating modes.
- Default unlock password: “trycom”.

2. Web Console:
- Access via browser using device IP address.
- Login with password to modify settings.

3. Telnet Console:
- Enable Telnet in configuration utility.
- Access via Telnet client for command-line configuration.

Factory Reset:
- Press and hold the reset button until PWR LED turns off, then reboot.
- Restores default settings (IP, password, and configuration).

Mounting:
- Supports DIN rail or panel mounting for industrial enclosures.

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### 7. Performance & Capabilities

- Data Throughput: Up to 921.6 Kbps per serial port.
- Bandwidth: Maximum 460 Kbps per port in TCP modes.
- Connection Capacity: Up to 4 simultaneous host connections per port.
- Reliability: Hardware watchdog and power-fail detection prevent boot failures in unstable voltage environments.
- Latency: Optimized for low-latency serial-to-Ethernet conversion.
- Isolation: 3KV optical isolation ensures signal integrity and protection.
- Power Efficiency: Low power consumption (approx. 2.76 W at 12V).

Limitations:
- Only one power input method (DC jack or screw terminal) should be used at a time.
- Operating temperature limited to 65°C maximum.
- Requires proper grounding for surge protection effectiveness.

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### 8. Standards & Compliance

Supported Protocols:
- ICMP, TCP/IP, UDP, DHCP, BOOTP, Telnet, DNS, SNMP, HTTP, SMTP, SNTP

Communication Standards:
- RS232 (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
- Ethernet IEEE 802.3 (10/100 Mbps)

Software Standards:
- RFC 2217 (Telnet COM Port Control Option)
- SNMP for network management
- HTTP for web-based configuration

Electrical & Safety Compliance:
- 3KV optical isolation
- ±15KV ESD protection
- Surge, overcurrent, and overvoltage protection on RS422/485 lines

Environmental Compliance:
- Operating temperature: 0–65°C
- Humidity: 0–90% non-condensing
- Industrial-grade design for harsh environments

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### 9. Additional Information

Warranty & Support:
- Manufacturer warranty provided by Trycom Technology Co., Ltd.
- Technical support available via phone, fax, and website.
- Firmware and software updates available from Trycom’s support portal.

Maintenance:
- Periodic inspection of power and communication cables recommended.
- Keep device in a dry, ventilated environment.
- Use factory reset if configuration becomes inaccessible.

Software Updates:
- Firmware upgrades can be applied via Web Console or Admin Utility.
- Configuration backup and restore supported through software.

Security Features:
- Password-protected configuration access.
- IP-based access control list (ACL) for authorized hosts.
- Auto IP reporting for DHCP environments.
- SNMP and email alerts for system events.

Default Configuration Summary:
- IP Mode: DHCP
- Operating Mode: Real COM
- Baud Rate: 115200 bps, 8 data bits, no parity, 1 stop bit
- Accessible IPs: None (open access)
- Password: trycom

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### Summary

The Trycom TRP-C34X is a robust, high-performance serial device server engineered for industrial and commercial applications requiring reliable serial-to-Ethernet communication. With its 32-bit CPU, optical isolation, and comprehensive protocol support, it enables seamless integration of legacy serial devices into modern IP networks. Its flexible configuration options, multiple operation modes, and strong protection features make it ideal for automation, data acquisition, and remote monitoring systems. The TRP-C34X combines industrial durability with user-friendly management tools, ensuring dependable operation in demanding environments.