1. Product Overview

Product Name: Aport-211S
Model: Aport-211S
Series: Aport Serial-to-Ethernet Gateway Series
Article Number: Aport-211S
Manufacturer: Artila Electronics Co., Ltd.

The Aport-211S is a compact, industrial-grade Serial-to-Ethernet 1-port gateway server designed to connect legacy serial devices (RS-232, RS-422, RS-485) to modern TCP/IP networks. It provides a transparent data communication channel between serial interfaces and Ethernet, enabling remote access, monitoring, and control of serial equipment over LAN or WAN. The device integrates a 10/100 Mbps Ethernet interface, one multi-protocol serial port, and eight programmable digital I/O channels, making it suitable for industrial automation, remote data acquisition, and embedded networking applications.

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2. Key Features

- Serial-to-Ethernet Conversion: Provides seamless data bridging between RS-232/422/485 serial interfaces and Ethernet networks using standard TCP/IP protocols.
- Multi-Protocol Serial Port: Supports RS-232, RS-422, and RS-485 interfaces via a switch-selectable DB9 male connector.
- Flexible Operation Modes: Operates as a TCP Server, TCP Client, or UDP Node, allowing integration into diverse network architectures.
- Programmable Digital I/O: Includes 8 digital I/O channels (6 TTL-compatible and 2 CMOS-compatible) for external device control and monitoring.
- Multiple Configuration Interfaces: Configurable via Web Console, Telnet Console, Serial Console, or Windows/Java Utility.
- Built-in Web Server: Embedded HTTP server allows remote configuration and management through standard web browsers.
- Firmware Upgradeable: Supports firmware updates for feature enhancements and security improvements.
- Industrial Design: Compact metal enclosure with DIN-rail mounting support, wide power input range (9–40 VDC), and robust ESD protection.
- Network Security: Supports password authentication and IP filtering for access control.
- Status Indicators: LED indicators for power, readiness, link/activity, and serial data transmission/reception.

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3. Technical Specifications

Network Interface
- Type: 10/100Base-T Ethernet
- Connector: RJ-45
- Protocols: TCP, UDP, HTTP, Telnet, IP, ICMP, ARP, DHCP
- IP Addressing: Static IP or DHCP
- Isolation: 1500 V magnetic isolation

Serial Interface
- Type: RS-232/422/485 (switch selectable)
- Connector: DB9 male
- Signals (RS-232): TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
- Signals (RS-422): RX+, RX-, TX+, TX-, GND
- Signals (RS-485): Data+, Data-, GND
- Baud Rate: 300 to 38,400 bps
- Parity: None, Even, Odd
- Data Bits: 7 or 8
- Stop Bits: 1 or 2
- Flow Control: None, RTS/CTS, XON/XOFF
- ESD Protection: 15 kV

Digital I/O
- Channels: 8 programmable digital I/Os
- DIO0–DIO5: TTL level compatible
- DIO6–DIO7: CMOS level compatible
- Connector: DB9 male
- Pull-up: +5 VDC via 4.7 kΩ resistor

Power
- Input Voltage: 9–40 VDC
- Power Consumption: 70 mA @ 12 VDC (typical)
- Connector: Terminal block or power jack

Environmental
- Operating Temperature: 0–55 °C (typical), up to 70 °C maximum
- Storage Temperature: -20–85 °C
- Humidity: 5–95% RH (non-condensing)

Physical
- Dimensions (H×W×D): 108 × 78 × 25 mm
- Weight: ~300 g
- Mounting: DIN-rail or panel mount

Regulatory Compliance
- CE/FCC compliant

Warranty: 2 years

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4. Functionality

The Aport-211S functions as a Serial-to-Ethernet gateway, transparently converting serial data streams into TCP/IP packets and vice versa. It allows legacy serial devices—such as PLCs, sensors, barcode scanners, and industrial controllers—to communicate over Ethernet networks without hardware modification.

Operation Modes:
- TCP Server Mode: The Aport-211S listens for incoming TCP connections from remote clients.
- TCP Client Mode: The device initiates a connection to a specified remote host and port.
- UDP Mode: Enables connectionless data transmission for broadcast or multicast applications.

Configuration Interfaces:
- Web Console: Accessible via browser (HTTP port 80).
- Telnet Console: Accessible via port 5001 for command-line configuration.
- Serial Console: Local configuration via RS-232 interface.
- Windows/Java Utility: GUI-based configuration and management tool (manager.jar).

Use Cases:
- Industrial automation and SCADA systems
- Remote monitoring and control of serial instruments
- Data acquisition and telemetry
- Building management systems
- Legacy equipment networking

Compatibility:
Compatible with Windows, Linux, and other TCP/IP-based systems. Supports integration with custom applications via ASCII command sets.

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5. Components & Accessories

Package Contents:
1. Aport-211S module
2. Software CD with configuration utilities and electronic user manual
3. Quick installation guide

Optional Accessories:
- DIN-rail mounting kit
- Power adapter (9–40 VDC)
- Null modem cable (for RS-232 connection)
- Ethernet cable (RJ-45)

Connectors:
- Ethernet: RJ-45 (10/100 Mbps)
- Serial: DB9 male (RS-232/422/485)
- Digital I/O: DB9 male
- Power: Terminal block or DC jack

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6. Installation & Setup

Power Connection:
Connect a 9–40 VDC power source to the terminal block or DC jack. The Power LED will illuminate solid yellow when power is correctly applied.

Ethernet Connection:
Attach a standard RJ-45 Ethernet cable to the network port. The Link/Activity LED will light solid when connected and flash during data transmission.

Serial Connection:
Use a null modem cable for RS-232 devices or appropriate wiring for RS-422/485. The serial mode is selected via SW1 DIP switch.

SW1 DIP Switch Settings:
- RS-232: Key 1 ON, Key 2–3 OFF
- RS-422: Key 1–3 OFF
- RS-485: Key 2–3 ON
- DHCP Mode: Key 4 OFF, Key 5 ON
- Factory Default: Key 4 ON, Key 5 OFF
- Console Mode: Key 4–5 ON

LED Indicators:
- Power LED: ON when power is applied
- Ready LED: ON when firmware is ready; flashes in console mode
- Link/Act LED: ON when Ethernet link is active; flashes with network traffic
- RX/TX LED: Dual-color indicator for serial data (Tx/Rx)

Factory Default Settings:
- IP Address: 192.168.2.127
- Data Port: 4000
- Telnet Port: 5001
- Web Port: 80
- Baud Rate: 19200 bps
- Data Format: N,8,1
- Flow Control: None
- Interface: RS-232

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7. Performance & Capabilities

- Serial Data Rate: 300–38,400 bps
- Ethernet Speed: 10/100 Mbps auto-negotiation
- Data Throughput: Optimized for low-latency serial-to-network conversion
- Data Packing Options:
- Length-based: Sends data after a specified byte count
- Timeout-based: Sends data after a defined idle period
- Delimiter-based: Sends data upon detecting specific delimiter characters (e.g., CR/LF)
- TCP Connection Management:
- Configurable connection timeout
- Auto-connect on startup (TCP Client mode)
- Disconnect on inactivity
- Digital I/O Control:
- Configurable as input or output via ASCII commands
- Supports reading input status and setting output levels
- Security:
- Password authentication (encrypted using Tiny Encryption Algorithm, TEA)
- IP filtering for access restriction
- Firmware Upgrade:
- Upgradeable via network or serial interface

Limitations:
- Maximum serial baud rate limited to 38,400 bps
- Single serial port (1-channel device)
- No built-in PoE support

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8. Standards & Compliance

- Electrical Safety: CE compliant
- Electromagnetic Compatibility: FCC Class A compliant
- Network Standards: IEEE 802.3 10/100Base-T
- Environmental Standards: Designed for industrial temperature and humidity ranges
- Encryption: Tiny Encryption Algorithm (TEA) for password protection

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9. Additional Information

Warranty:
2-year limited hardware warranty covering manufacturing defects.

Support:
- Technical documentation and firmware updates available from Artila’s official website.
- Configuration utilities (Java and Windows versions) included on CD and downloadable online.
- Email and online technical support provided by Artila Electronics.

Maintenance:
- Periodic firmware updates recommended for security and performance improvements.
- Device configuration can be backed up and restored using the utility software.
- Factory reset available via SW1 DIP switch or ASCII command ($SYCF).

Firmware & Software Updates:
- Firmware upgradeable via TFTP or serial interface.
- Web interface allows uploading of custom web pages (converted to binary fsdata.anf format).
- Java-based configuration utility (manager.jar) supports device discovery, configuration, and firmware upload.

Summary:
The Artila Aport-211S is a robust, feature-rich Serial-to-Ethernet gateway engineered for industrial and embedded networking applications. It bridges traditional serial communication with modern Ethernet infrastructure, offering flexible configuration, reliable performance, and secure remote management. With its compact form factor, wide power range, and versatile I/O capabilities, the Aport-211S is ideal for system integrators and engineers seeking to network-enable serial devices in automation, monitoring, and control environments.