SystemBase sLAN/All Serial to Ethernet Converter (RS-232/422/485)

Connect any serial device to your Ethernet network - RS-232, RS-422, or RS-485 - with one versatile, industrial-grade converter.

The SystemBase sLAN/All is the professional's choice for serial-to-Ethernet conversion. With support for all three major serial standards, ultra-compact design, and industrial-grade reliability, this converter handles any serial networking challenge you can throw at it.

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Why the sLAN/All is Your Best Investment

🔄 Ultimate Versatility

One device supports RS-232, RS-422, AND RS-485. No need to stock multiple converter types. The sLAN/All adapts to any serial interface with simple configuration.

📦 Ultra-Compact Design

At just 54mm x 72mm x 28.4mm and weighing only 100g, the sLAN/All is one of the smallest serial-to-Ethernet converters available. Perfect for space-constrained installations.

💪 Industrial-Grade Durability

Built to withstand extreme environments with an operating temperature range of -40°C to 85°C. Designed for continuous 24/7/365 operation in the harshest industrial settings.

🚀 High-Speed Performance

Support for baud rates up to 921.6 kbps ensures fast, reliable data transfer. RS-422/485 modes support long-distance communication up to 4,000 feet (1,200m).

🛡️ Maximum Protection

• ESD protection: Contact ±2-4kV, Air ±2-8kV
• Surge and EFT protection per KS C standards
• Built-in termination resistors for RS-422/485

🎯 Plug-and-Play Simplicity

Web-based configuration, automatic device discovery with SGConfig utility, and virtual COM port software make setup effortless—even for complex multi-drop RS-485 networks.

⚡ Low Power Consumption

Maximum 1.25W power consumption with 5V DC input. Energy-efficient design for always-on applications.

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sLAN/All Technical Specifications

Serial Interface Options

RS-232 Mode:

• Port: 1 x RS-232 (DB9 Male connector)
• Signals: TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND
• Maximum Distance: 50 feet (15m)
• Full duplex communication

RS-422 Mode:

• Port: 1 x RS-422 (DB9 Male connector)
• Signals: TXD+, TXD-, RXD+, RXD-, GND
• Maximum Distance: 4,000 feet (1,200m)
• Full duplex communication
• Multi-drop mode: Master/Slave configuration supported

RS-485 Mode:

• Port: 1 x RS-485 (DB9 Male connector)
• Signals: TRXD+, TRXD-, GND
• Maximum Distance: 4,000 feet (1,200m)
• Half duplex communication
• Multi-drop support: Up to 32 devices per network
• Built-in termination resistors (120Ω) - Enable/Disable via software

Common Serial Parameters (All Modes)

• Maximum Baud Rate: 921.6 kbps
• Supported Baud Rates: 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600 bps
• Data Bits: 8 (only)
• Stop Bits: 1, 2
• Parity: None, Even, Odd
• Flow Control: None, RTS/CTS (RS-232 mode only)

Network Interface

• Ethernet Port: 1 x 10/100 Mbps Auto-MDIX (RJ-45)
• Network Protocols: TCP, UDP, ICMP, DHCP, HTTP, IPv4
• Operating Modes:
  • COM Redirector - Virtual COM port functionality
  • TCP Server - Listen for incoming connections
  • TCP Client - Connect to remote host
  • UDP Server - Receive UDP packets
  • UDP Client - Send UDP packets
• IP Configuration: Static IP or DHCP
• Default IP Address: 192.168.0.223
• Connection Management: Multiple simultaneous connections
• Security: Password-protected configuration (Default ID: slan, PW: 99999999)

Power Specifications

• Input Voltage: 5V DC, 1A or higher
• Power Consumption:
  • Maximum: 1.25W
  • Operating: 1W
  • Standby: 0.5W
• Power Connector: DC Jack (External: Φ3.5mm, Internal: Φ1.35mm)
• Included: 5V DC power adapter

Protection & Reliability

• ESD Protection:
  • Contact: Min ±2kV, Max ±4kV
  • Air: Min ±2kV, Max ±8kV
• Standards Compliance:
  • KS C 9610-4-2 (ESD)
  • KS C 9610-4-4 (EFT)
  • KS C 9610-4-5 (Surge)
• MTBF: 1,448,154 hours (165+ years)

Configuration & Management

• Setup Methods:
  • Web-based configuration interface (HTTP)
  • SGConfig utility (Windows 7 or above)
  • TestView testing software
• Software Included:
  • COM Port Redirector (Virtual COM Port driver)
  • SGConfig (Configuration utility)
  • TestView (Testing and diagnostics)
• Status Indicators:
  • RDY (Yellow) - Blinks during operation
  • TXD (Green) - Blinks when transmitting serial data
  • RXD (Red) - Blinks when receiving serial data
  • LAN Port LEDs - Yellow (Link/Activity), Green (100Mbps)
• Reset Button: Press < 3 seconds to reboot, > 3 seconds for factory reset
• Firmware Updates: Remote updates via web interface

Environmental Specifications

• Operating Temperature: -40°C to 85°C (-40°F to 185°F) - Industrial grade
• Storage Temperature: -40°C to 85°C
• Humidity: 5% to 90% RH, non-condensing
• Certifications: CE, FCC Class A (Industrial use), RoHS compliant

Physical Specifications

• Dimensions: 54mm (W) x 72mm (L) x 28.4mm (H) (2.13" x 2.83" x 1.12")
• Weight:
  • Product only: 100g (3.5 oz)
  • Gross weight (with packaging): 322g (11.4 oz)
• Mounting: Desktop (compact footprint)
• Enclosure: Industrial-grade plastic housing
• Connectors:
  • 1 x DB9 Male (RS-232/422/485)
  • 1 x RJ-45 (Ethernet)
  • 1 x DC Jack (Power input)
  • 1 x Reset button

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Real-World Applications

🏭 Industrial Automation & SCADA

• Connect PLCs, RTUs, and industrial controllers to SCADA systems
• Multi-drop RS-485 networks for sensor arrays and I/O modules
• Remote monitoring and control of manufacturing equipment
• Building automation and energy management systems
• Factory floor data collection and distribution

🏥 Healthcare & Medical Equipment

• Network legacy diagnostic equipment and patient monitors
• Laboratory automation and LIMS integration
• Medical imaging device connectivity
• Measuring instruments and gas detectors
• Hospital infrastructure management

🚂 Transportation & Infrastructure

• Railway signaling and control systems
• Traffic management and ITS (Intelligent Transportation Systems)
• Airport ground support equipment
• Parking management and access control
• Logistics and conveyor belt systems

⚡ Energy & Utilities

• Smart grid monitoring and control
• Power management devices
• Remote meter reading (AMR/AMI)
• Water and pollution detectors
• Environmental monitoring stations

📡 Telecommunications

• Serial console access to network equipment
• Remote management of telecom infrastructure
• Base station monitoring and control
• Network operations center (NOC) equipment

🏪 Retail & Point of Sale

• Card readers and barcode scanners
• POS devices and kiosks
• Serial printers and ATM machines
• Credit card terminals
• Inventory management systems

🔬 Laboratory & Research

• Network analytical instruments and data loggers
• Controllers on inspection equipment
• Automated testing equipment
• Quality control systems
• Research data acquisition

🏗️ Security & Access Control

• Biometric sensors and alarm devices
• Card readers and access control panels
• CCTV camera control (PTZ)
• Intrusion detection systems
• Security devices

🎮 Consumer Electronics

• Game console connectivity
• Home appliance networking
• Power management devices
• Data collection and distribution devices

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What's in the Box

✓ sLAN/All V2.0 Serial to Ethernet Converter (1 unit)
✓ 5V DC Power Adapter (1A or higher)
✓ LAN Cable (Ethernet cable)
✓ Eject Pin (for DB9 connector)
✓ Quick Start Guide

All software is available for download from the SystemBase website. See the link under the Technical Support & Resources section below.

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Quick Setup Guide

Step 1: Choose Your Serial Interface

The sLAN/All uses a single DB9 Male connector that supports all three serial modes. Configure the interface type via the web interface or SGConfig utility.

For RS-232:

• Connect your RS-232 device to the DB9 port
• Configure Interface setting to "RS-232" in web interface
• Pins: TXD(3), RXD(2), RTS(7), CTS(8), DTR(4), DSR(6), DCD(1), RI(9), GND(5)

For RS-422:

• Connect your RS-422 device to the DB9 port
• Configure Interface setting to "RS-422" in web interface
• Configure RS-422 Multi-Drop Mode (Master or Slave)
• Pins: TXD+(2), TXD-(1), RXD+(3), RXD-(7), GND(5)

For RS-485:

• Connect your RS-485 device to the DB9 port
• Configure Interface setting to "RS-485" in web interface
• Enable/disable termination resistor as needed
• Pins: TRXD+(2), TRXD-(1), GND(5)

Step 2: Power & Network Connection

• Connect the included 5V DC power adapter to the DC jack
• Connect Ethernet cable to your network (supports both straight and crossover cables)
• RDY LED will blink when device is operating
• LAN Port LEDs indicate network connection status

Step 3: Network Configuration

Option A - Use Default IP Address:

• Configure your PC to access 192.168.0.x network
• Open web browser and navigate to 
  http://192.168.0.223
• Login with default credentials (ID: slan, Password: 99999999)

Option B - Use SGConfig Utility:

• Run SGConfig on Windows PC
• Click [Search] to discover sLAN/All devices on network
• Select device and click [Configure]

Step 4: Configure Settings

• Network Settings: Set Static IP or DHCP, configure IP address, subnet mask, gateway
• Serial Settings: Configure operation mode, baud rate, data bits, stop bits, parity, flow control
• Interface: Select RS-232, RS-422, or RS-485
• Click [Submit] to save changes
• Reboot device to apply settings

Step 5: Test & Deploy

• Use TestView software to verify communication
• Install COM Port Redirector if using virtual COM port mode
• Monitor status via web interface or SGConfig

Total setup time: 5-10 minutes

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Advanced Features & Capabilities

Flexible Serial Interface Selection

The sLAN/All uses a single DB9 connector that supports all three serial standards:

• Software configuration - Switch between RS-232, RS-422, and RS-485 via web interface
• No hardware jumpers - All configuration is done through software
• Pin mapping - Automatic pin assignment based on selected interface
• Hot-swappable between modes (after reboot)

RS-485 Multi-Drop Networking

Perfect for industrial applications requiring multiple devices on one network:

• Support for up to 32 devices per RS-485 bus
• Software-configurable termination resistors (120Ω)
• Half-duplex communication
• Transparent data transmission
• Compatible with Modbus RTU, Profibus, BACnet MS/TP, and other protocols

RS-422 Multi-Drop Mode

Unique RS-422 multi-drop capability:

• Master mode: For primary controller
• Slave mode: For secondary devices
• Point-to-point: Set both devices to Master for 1:1 connections
• Full-duplex communication
• Long-distance support up to 4,000 feet

Virtual COM Port Technology

The included COM Port Redirector creates virtual COM ports on Windows systems:

• Legacy applications work without modification
• Supports multiple virtual ports simultaneously
• Automatic reconnection on network interruption
• Compatible with Windows 7/8/10/11

Multiple Operating Modes

COM Redirector Mode:

• Creates virtual COM port on Windows PC
• Serial port settings follow virtual COM port configuration
• Perfect for legacy software compatibility

TCP Server Mode:

• Device listens for incoming connections on configured port (default: 4001)
• Multiple clients can connect simultaneously
• Transparent data transfer between socket and serial port
• Ideal for centralized monitoring applications

TCP Client Mode:

• Device initiates connection to remote server
• Configure target IP address and port
• Automatic reconnection on network interruption
• Perfect for data logging and cloud integration

UDP Server Mode:

• Receives UDP packets on configured port
• Forwards data to serial port
• Sends serial data as UDP packets to client
• Low-latency communication

UDP Client Mode:

• Sends serial data as UDP packets to configured server
• Configure target IP address and port
• Ideal for broadcast/multicast applications

Intelligent Data Handling

Latency Time Configuration:

• Set to 0 for real-time operation (immediate forwarding)
• Set to non-zero to buffer data and reduce network traffic
• Configurable in milliseconds
• Balances real-time performance vs. network efficiency

TCP Alive Check:

• Monitors network connection health at configured intervals
• Automatically terminates/resets failed connections
• Configurable from 0-65,535 seconds
• Set to 0 to disable

TCP No-Delay Option:

• Disabled: Buffers TCP data before processing (better for high-speed/packet-based)
• Enabled: Processes TCP data immediately (minimizes delay)
• Optimizes for different application requirements

Network Discovery & Management

• Automatic device discovery via SGConfig utility
• Web-based configuration accessible from any browser
• Password protection for secure access
• Factory reset via reset button (press > 3 seconds)
• Remote firmware updates via web interface
• Real-time status monitoring with LED indicators

Auto-MDIX Support

• Automatically detects straight or crossover Ethernet cables
• No need for specific cable types
• Simplifies installation and reduces errors

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Software Suite

COM Port Redirector (Virtual COM Port Driver)

Creates virtual COM ports on Windows systems, allowing legacy serial applications to communicate over the network without modification.

Features:

• Multiple virtual COM ports per device
• Automatic reconnection
• Flow control support
• Compatible with Windows 7 and above

How it works: When Operation Mode is set to "COM Redirector," the sLAN/All serial port appears as a local COM port on your Windows PC. Your existing serial software works without any changes.

SGConfig Configuration Utility

Comprehensive Windows application for device management:

Features:

• Automatic device discovery on network
• Intuitive GUI for all configuration parameters
• Batch configuration for multiple devices
• Real-time monitoring and diagnostics
• Configuration backup and restore
• Compatible with Windows 7 and above

TestView Testing Software

Professional testing and diagnostic tool:

Features:

• Serial port communication testing
• Network connectivity verification
• Data transmission monitoring
• Protocol analysis
• Performance benchmarking
• Troubleshooting wizards

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RS-485 Configuration Guide

Termination Resistors

RS-485 networks require 120Ω termination resistors at both ends of the bus:

• Enable termination on the first and last devices only via web interface
• Disable termination on all middle devices
• Software-configurable (no hardware jumpers required)
• Improper termination causes communication errors

Wiring Best Practices

• Use twisted pair cable (Cat5e or better, or dedicated RS-485 cable)
• Keep total bus length under 4,000 feet (1,200m)
• Use daisy-chain topology (not star)
• Avoid stubs longer than 1 meter
• Maintain proper grounding to prevent ground loops
• Use shielded cable in electrically noisy environments

Pin Assignment for RS-485

• Pin 1: TRXD- (Data-)
• Pin 2: TRXD+ (Data+)
• Pin 5: GND (Ground)

Multi-Drop Addressing

For RS-485 networks with multiple devices:

• Each device needs a unique address (configured in serial device)
• sLAN/All V2.0 acts as transparent bridge (no addressing required)
• Use Modbus RTU, Profibus, or other multi-drop protocols
• Configure appropriate timeout values for polling applications

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RS-422 Multi-Drop Configuration

Master/Slave Mode

The sLAN/All V2.0 supports RS-422 multi-drop configurations:

Master Mode:

• Set for the primary controller device
• Transmits data to multiple slave devices

Slave Mode:

• Set for secondary devices
• Receives data from master

Point-to-Point (1:1):

• Set both connected devices to Master mode
• Standard RS-422 full-duplex communication

Pin Assignment for RS-422

• Pin 1: TXD- (Transmit-)
• Pin 2: TXD+ (Transmit+)
• Pin 3: RXD+ (Receive+)
• Pin 7: RXD- (Receive-)
• Pin 5: GND (Ground)

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Frequently Asked Questions

Q: What's the difference between the sLAN/All and the CS-LAN?
A: The sLAN/All supports RS-232, RS-422, AND RS-485. The CS-LAN is RS-232 only. The sLAN/All is also more compact (54x72x28.4mm vs 85x65x25mm) and has a higher MTBF rating.

Q: Does the sLAN/All support Power over Ethernet (PoE)?
A: No, the V2.0 model requires external 5V DC power via the included adapter. For PoE capability, consider the sLAN/All PoE model (sold separately).

Q: What voltage does the sLAN/All require?
A: The device requires 5V DC, 1A or higher. A compatible power adapter is included in the box.

Q: How do I switch between RS-232, RS-422, and RS-485 modes?
A: All configuration is done through software via the web interface or SGConfig utility. Simply select the desired interface type in the Serial Settings page and reboot the device. No hardware jumpers required.

Q: What's the maximum number of devices on an RS-485 network?
A: The sLAN/All supports up to 32 devices per RS-485 bus. For larger networks, use RS-485 repeaters.

Q: Can I use this outdoors?
A: The sLAN/All is rated for industrial temperatures (-40°C to 85°C) but is not waterproof. For outdoor use, install in a weatherproof enclosure (NEMA 4X or IP65 rated).

Q: What operating systems are supported?
A: The device works with any OS that supports TCP/IP (Windows, Linux, macOS, Unix, etc.). The COM Port Redirector and SGConfig utilities require Windows 7 or above, but the web interface works in any modern browser.

Q: How do I reset the device to factory defaults?
A: Press and hold the RST button on the rear panel for more than 3 seconds. The device will reset to factory default settings (IP: 192.168.0.223, ID: slan, Password: 99999999).

Q: Can I use straight or crossover Ethernet cables?
A: Either! The sLAN/All supports Auto-MDIX, which automatically detects and adapts to both cable types.

Q: What is the default IP address?
A: The default IP address is 192.168.0.223 with subnet mask 255.255.255.0 and gateway 192.168.0.254.

Q: How do I update the firmware?
A: Firmware updates can be performed remotely via the web interface. No physical access required.

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Technical Support & Resources

• Download the sLAN/All User Manual (PDF)
• Download Configuration Software and Utilities (SystemBase Website)

Need help? Contact our technical support team at support@envistiamall.com