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- Multiport Connectivity:
Provides 16 serial ports (DB25 female) and 1 parallel port (DB25 female), allowing simultaneous communication with multiple serial devices.
- Ethernet Interface:
Supports Ethernet connectivity with UTP, BNC, and AUI connectors, enabling flexible network integration across various physical media.
- High Throughput:
Each serial channel supports data throughput between 50 bps and 57.6 kbps, ensuring stable and efficient data transmission for a wide range of serial devices.
- 19-Inch Rack Mountable Design:
The GTS516T is designed for standard 19" rack installation, making it suitable for data centers, control rooms, and industrial cabinets.
- Windows Driver Support:
Compatible with Windows NT, 2000, and XP operating systems through dedicated drivers, enabling seamless integration with PC-based systems.
- Remote Configuration via Telnet:
Supports remote console access through Telnet for configuration and management, including password-protected access and command-line control.
- Console Mode Configuration:
Provides local console setup via serial port 1 for initial configuration, including IP address assignment and network interface setup.
- Flexible Network Configuration:
Allows configuration of IP address and Ethernet connector type using built-in command-line utilities (`ifconfig`, `sysconfig reinit`).
- RTTY Mode for Serial Communication:
Supports RTTY (Radio Teletype) mode for serial ports, enabling compatibility with specific communication protocols and Windows driver mapping.
- COM Port Virtualization:
Through the gport_ap.exe utility, the GTS516T maps its serial ports to virtual COM ports in Windows, allowing legacy applications to communicate over Ethernet as if connected locally.
Provides 16 serial ports (DB25 female) and 1 parallel port (DB25 female), allowing simultaneous communication with multiple serial devices.
- Ethernet Interface:
Supports Ethernet connectivity with UTP, BNC, and AUI connectors, enabling flexible network integration across various physical media.
- High Throughput:
Each serial channel supports data throughput between 50 bps and 57.6 kbps, ensuring stable and efficient data transmission for a wide range of serial devices.
- 19-Inch Rack Mountable Design:
The GTS516T is designed for standard 19" rack installation, making it suitable for data centers, control rooms, and industrial cabinets.
- Windows Driver Support:
Compatible with Windows NT, 2000, and XP operating systems through dedicated drivers, enabling seamless integration with PC-based systems.
- Remote Configuration via Telnet:
Supports remote console access through Telnet for configuration and management, including password-protected access and command-line control.
- Console Mode Configuration:
Provides local console setup via serial port 1 for initial configuration, including IP address assignment and network interface setup.
- Flexible Network Configuration:
Allows configuration of IP address and Ethernet connector type using built-in command-line utilities (`ifconfig`, `sysconfig reinit`).
- RTTY Mode for Serial Communication:
Supports RTTY (Radio Teletype) mode for serial ports, enabling compatibility with specific communication protocols and Windows driver mapping.
- COM Port Virtualization:
Through the gport_ap.exe utility, the GTS516T maps its serial ports to virtual COM ports in Windows, allowing legacy applications to communicate over Ethernet as if connected locally.
Comprehensive Product Summary: GTS516T Ethernet to 16x Serial + 1x Parallel Port Server
### 1. Product Overview
Product Name: GTS516T
Model: GTS516T
Series: GTS500 Series Communication Servers
Article Number: GTS516T
Manufacturer: Rayon
Product Description:
The GTS516T is a high-density Ethernet-to-multiport communication server designed to provide network-based access to multiple serial and parallel interfaces. It enables centralized management and remote connectivity for up to sixteen serial ports and one parallel port through a single Ethernet connection. The device is engineered for industrial, commercial, and enterprise environments requiring reliable serial-over-Ethernet communication, such as automation systems, data acquisition, and legacy equipment integration.
### 2. Key Features
- Multiport Connectivity:
Provides 16 serial ports (DB25 female) and 1 parallel port (DB25 female), allowing simultaneous communication with multiple serial devices.
- Ethernet Interface:
Supports Ethernet connectivity with UTP, BNC, and AUI connectors, enabling flexible network integration across various physical media.
- High Throughput:
Each serial channel supports data throughput between 50 bps and 57.6 kbps, ensuring stable and efficient data transmission for a wide range of serial devices.
- 19-Inch Rack Mountable Design:
The GTS516T is designed for standard 19" rack installation, making it suitable for data centers, control rooms, and industrial cabinets.
- Windows Driver Support:
Compatible with Windows NT, 2000, and XP operating systems through dedicated drivers, enabling seamless integration with PC-based systems.
- Remote Configuration via Telnet:
Supports remote console access through Telnet for configuration and management, including password-protected access and command-line control.
- Console Mode Configuration:
Provides local console setup via serial port 1 for initial configuration, including IP address assignment and network interface setup.
- Flexible Network Configuration:
Allows configuration of IP address and Ethernet connector type using built-in command-line utilities (`ifconfig`, `sysconfig reinit`).
- RTTY Mode for Serial Communication:
Supports RTTY (Radio Teletype) mode for serial ports, enabling compatibility with specific communication protocols and Windows driver mapping.
- COM Port Virtualization:
Through the gport_ap.exe utility, the GTS516T maps its serial ports to virtual COM ports in Windows, allowing legacy applications to communicate over Ethernet as if connected locally.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | GTS516T |
| Series | GTS500 Series |
| Manufacturer | Rayon |
| Network Interface | Ethernet (UTP/BNC/AUI) |
| Serial Ports | 16 × DB25 female connectors |
| Parallel Port | 1 × DB25 female connector |
| Data Throughput (per channel) | 50 bps to 57.6 kbps |
| Mounting Type | 19-inch rack mountable |
| Configuration Interface | Serial console (port 1) and Telnet remote console |
| Supported Protocols | RTTY mode for serial communication |
| Operating Systems Supported | Windows NT, Windows 2000, Windows XP |
| Driver Utility | gport_ap.exe (COM port mapping) |
| Default Console Settings | 9600 bps, 8 data bits, no parity, 1 stop bit |
| Default Password | root |
| Command Interface | Text-based command line (supports “?”, “ifconfig”, “sysconfig reinit”, “save all”) |
| Front Panel Indicators | LED indicators for port activity (LED1–LED16) |
| Front Panel Controls | INT push button (or “→” key on LCD version) |
| Material | Industrial-grade metal chassis (rack-mountable) |
| Power Requirements | Standard AC input (varies by model configuration) |
| Weight & Dimensions | Standard 19" rack width; height typically 1U–2U (exact values depend on configuration) |
### 4. Functionality
Operational Overview:
The GTS516T functions as a network-based communication server that bridges Ethernet networks with multiple serial and parallel interfaces. Each serial port operates independently, allowing simultaneous data exchange between networked hosts and connected serial devices.
Use Cases and Applications:
- Industrial automation systems requiring centralized serial device management.
- Data acquisition systems connecting multiple sensors or controllers.
- Legacy equipment integration into modern Ethernet networks.
- Remote monitoring and control of serial-based instruments.
- Multi-user access to serial devices over LAN.
Compatibility:
- Works with Windows NT/2000/XP systems via dedicated drivers.
- Compatible with standard terminal emulation software for console access.
- Supports Telnet for remote configuration and management.
Communication Modes:
- RTTY Mode: Required for Windows driver operation; enables serial data encapsulation over Ethernet.
- Console Mode: Used for initial setup and configuration via serial port 1.
- Remote Console Mode: Allows Telnet-based configuration once the IP address is assigned.
### 5. Components & Accessories
Included Components:
- GTS516T main unit (Ethernet to 16x serial + 1x parallel port server)
- Power cable (region-specific)
- Rack-mount brackets and screws
- User documentation and quick start guide
- Windows driver package (available as ZIP file from supplier)
Connectors:
- 16 × DB25 female connectors for serial ports
- 1 × DB25 female connector for parallel port
- Ethernet connectors: UTP (RJ45), BNC, and AUI
- Console port: Serial port 1 used for configuration
- Front panel controls: INT push button (or “→” key for LCD version)
Optional Accessories:
- Serial cables (DB25 male-to-female or DB25-to-DB9 adapters)
- Ethernet cables (UTP Cat5/5e/6)
- Rack-mount hardware kits
- External power supply (if required for specific configurations)
### 6. Installation & Setup
System Requirements:
- Windows NT, 2000, or XP operating system
- Available Ethernet network connection
- Administrative privileges for driver installation
- Terminal or PC with serial interface for initial setup
Installation Steps:
A. Windows Driver Installation
1. Obtain the Windows driver ZIP file from the supplier.
2. Create a directory on the Windows system for the driver files.
3. Unzip the driver package into the directory.
4. Run setup.exe to install the driver.
5. After installation, locate and run gport_ap.exe to configure COM port mappings.
B. Configuring GTS for Windows Driver
1. Set all serial ports to operate in RTTY mode:
```
set mode rtty all
save all
```
2. This enables compatibility with the Windows driver.
C. COM Port Mapping in Windows
1. Launch gport_ap.exe.
2. Assign the GTS IP address and serial port numbers (1–16) to virtual COM ports.
3. Save the configuration and reboot the Windows system.
4. The new COM ports will appear in the system and can be used by applications.
D. Initial GTS Setup (Local Console Mode)
1. Connect a terminal to serial port 1 using 9600 bps, 8N1 configuration.
2. Power on the GTS516T.
3. When LEDs 9–16 illuminate, press the INT button (or “→” key on LCD version) to enter console mode.
4. Use the “?” command to list available commands.
5. Run:
```
sysconfig reinit
ifconfig
```
to initialize and configure the IP address and Ethernet connector type.
6. Save settings and reboot to apply.
E. Remote Configuration (Telnet Mode)
1. Once the IP address is known, connect via Telnet.
2. Log in using the default password root.
3. Use the “?” command to view available commands.
4. Configure serial port parameters as needed.
5. Execute save all to store settings.
6. Note: INIT mode cannot be accessed remotely; it is available only via local console.
### 7. Performance & Capabilities
- Serial Throughput: 50 bps to 57.6 kbps per channel, supporting a wide range of serial communication speeds.
- Parallel Port Performance: Optimized for printer or peripheral data transfer.
- Network Efficiency: Designed for stable Ethernet communication with minimal latency.
- Multiport Operation: All 16 serial ports can operate simultaneously, each independently configurable.
- Reliability: Hardware-based communication management ensures consistent performance under continuous operation.
- Scalability: Multiple GTS516T units can be deployed across a network for large-scale serial device integration.
- Limitations:
- INIT mode accessible only via local console.
- Windows driver support limited to NT/2000/XP.
- Maximum serial speed limited to 57.6 kbps.
### 8. Standards & Compliance
- Ethernet Standards: IEEE 802.3 (10Base-T, 10Base2, 10Base5 via UTP/BNC/AUI)
- Serial Communication Standards: RS-232 (DB25 interface)
- Parallel Communication Standard: IEEE 1284-compatible parallel port
- Electrical and Safety Compliance: Designed to meet industrial-grade electrical safety standards (specific certifications depend on model variant)
- Software Compatibility: Compliant with Windows driver architecture for virtual COM port mapping
- Network Protocols: Supports TCP/IP for Ethernet communication and Telnet for remote management
### 9. Additional Information
Warranty:
Standard manufacturer warranty (duration varies by region and distributor). Covers defects in materials and workmanship under normal operating conditions.
Technical Support:
For technical assistance, configuration help, or troubleshooting, users can contact Rayon support via email at rayon@ms1.hinet.net.
Maintenance:
- Periodic inspection of Ethernet and serial connections recommended.
- Firmware updates (if available) can be applied via console or network interface.
- Ensure adequate ventilation when rack-mounted to maintain optimal operating temperature.
Software Updates:
Driver and firmware updates are distributed by the manufacturer or authorized resellers. Users should verify compatibility before updating.
Documentation:
Comprehensive command reference and setup instructions are available in the GTS500 Series user manual. The “?” command within the console provides an on-device command list.
### Summary
The Rayon GTS516T Ethernet to 16x Serial + 1x Parallel Port Server is a robust, rack-mountable communication server designed for industrial and enterprise environments requiring centralized management of multiple serial and parallel devices over Ethernet. With support for 16 independent serial channels, one parallel interface, and flexible Ethernet connectivity (UTP/BNC/AUI), it bridges legacy serial equipment with modern network infrastructure.
Its configuration flexibility—via local console or remote Telnet—combined with Windows driver support and virtual COM port mapping, makes it an ideal solution for system integrators, automation engineers, and IT administrators managing distributed serial devices. The GTS516T delivers reliable performance, straightforward setup, and long-term operational stability in demanding networked communication environments.
### 1. Product Overview
Product Name: GTS516T
Model: GTS516T
Series: GTS500 Series Communication Servers
Article Number: GTS516T
Manufacturer: Rayon
Product Description:
The GTS516T is a high-density Ethernet-to-multiport communication server designed to provide network-based access to multiple serial and parallel interfaces. It enables centralized management and remote connectivity for up to sixteen serial ports and one parallel port through a single Ethernet connection. The device is engineered for industrial, commercial, and enterprise environments requiring reliable serial-over-Ethernet communication, such as automation systems, data acquisition, and legacy equipment integration.
### 2. Key Features
- Multiport Connectivity:
Provides 16 serial ports (DB25 female) and 1 parallel port (DB25 female), allowing simultaneous communication with multiple serial devices.
- Ethernet Interface:
Supports Ethernet connectivity with UTP, BNC, and AUI connectors, enabling flexible network integration across various physical media.
- High Throughput:
Each serial channel supports data throughput between 50 bps and 57.6 kbps, ensuring stable and efficient data transmission for a wide range of serial devices.
- 19-Inch Rack Mountable Design:
The GTS516T is designed for standard 19" rack installation, making it suitable for data centers, control rooms, and industrial cabinets.
- Windows Driver Support:
Compatible with Windows NT, 2000, and XP operating systems through dedicated drivers, enabling seamless integration with PC-based systems.
- Remote Configuration via Telnet:
Supports remote console access through Telnet for configuration and management, including password-protected access and command-line control.
- Console Mode Configuration:
Provides local console setup via serial port 1 for initial configuration, including IP address assignment and network interface setup.
- Flexible Network Configuration:
Allows configuration of IP address and Ethernet connector type using built-in command-line utilities (`ifconfig`, `sysconfig reinit`).
- RTTY Mode for Serial Communication:
Supports RTTY (Radio Teletype) mode for serial ports, enabling compatibility with specific communication protocols and Windows driver mapping.
- COM Port Virtualization:
Through the gport_ap.exe utility, the GTS516T maps its serial ports to virtual COM ports in Windows, allowing legacy applications to communicate over Ethernet as if connected locally.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | GTS516T |
| Series | GTS500 Series |
| Manufacturer | Rayon |
| Network Interface | Ethernet (UTP/BNC/AUI) |
| Serial Ports | 16 × DB25 female connectors |
| Parallel Port | 1 × DB25 female connector |
| Data Throughput (per channel) | 50 bps to 57.6 kbps |
| Mounting Type | 19-inch rack mountable |
| Configuration Interface | Serial console (port 1) and Telnet remote console |
| Supported Protocols | RTTY mode for serial communication |
| Operating Systems Supported | Windows NT, Windows 2000, Windows XP |
| Driver Utility | gport_ap.exe (COM port mapping) |
| Default Console Settings | 9600 bps, 8 data bits, no parity, 1 stop bit |
| Default Password | root |
| Command Interface | Text-based command line (supports “?”, “ifconfig”, “sysconfig reinit”, “save all”) |
| Front Panel Indicators | LED indicators for port activity (LED1–LED16) |
| Front Panel Controls | INT push button (or “→” key on LCD version) |
| Material | Industrial-grade metal chassis (rack-mountable) |
| Power Requirements | Standard AC input (varies by model configuration) |
| Weight & Dimensions | Standard 19" rack width; height typically 1U–2U (exact values depend on configuration) |
### 4. Functionality
Operational Overview:
The GTS516T functions as a network-based communication server that bridges Ethernet networks with multiple serial and parallel interfaces. Each serial port operates independently, allowing simultaneous data exchange between networked hosts and connected serial devices.
Use Cases and Applications:
- Industrial automation systems requiring centralized serial device management.
- Data acquisition systems connecting multiple sensors or controllers.
- Legacy equipment integration into modern Ethernet networks.
- Remote monitoring and control of serial-based instruments.
- Multi-user access to serial devices over LAN.
Compatibility:
- Works with Windows NT/2000/XP systems via dedicated drivers.
- Compatible with standard terminal emulation software for console access.
- Supports Telnet for remote configuration and management.
Communication Modes:
- RTTY Mode: Required for Windows driver operation; enables serial data encapsulation over Ethernet.
- Console Mode: Used for initial setup and configuration via serial port 1.
- Remote Console Mode: Allows Telnet-based configuration once the IP address is assigned.
### 5. Components & Accessories
Included Components:
- GTS516T main unit (Ethernet to 16x serial + 1x parallel port server)
- Power cable (region-specific)
- Rack-mount brackets and screws
- User documentation and quick start guide
- Windows driver package (available as ZIP file from supplier)
Connectors:
- 16 × DB25 female connectors for serial ports
- 1 × DB25 female connector for parallel port
- Ethernet connectors: UTP (RJ45), BNC, and AUI
- Console port: Serial port 1 used for configuration
- Front panel controls: INT push button (or “→” key for LCD version)
Optional Accessories:
- Serial cables (DB25 male-to-female or DB25-to-DB9 adapters)
- Ethernet cables (UTP Cat5/5e/6)
- Rack-mount hardware kits
- External power supply (if required for specific configurations)
### 6. Installation & Setup
System Requirements:
- Windows NT, 2000, or XP operating system
- Available Ethernet network connection
- Administrative privileges for driver installation
- Terminal or PC with serial interface for initial setup
Installation Steps:
A. Windows Driver Installation
1. Obtain the Windows driver ZIP file from the supplier.
2. Create a directory on the Windows system for the driver files.
3. Unzip the driver package into the directory.
4. Run setup.exe to install the driver.
5. After installation, locate and run gport_ap.exe to configure COM port mappings.
B. Configuring GTS for Windows Driver
1. Set all serial ports to operate in RTTY mode:
```
set mode rtty all
save all
```
2. This enables compatibility with the Windows driver.
C. COM Port Mapping in Windows
1. Launch gport_ap.exe.
2. Assign the GTS IP address and serial port numbers (1–16) to virtual COM ports.
3. Save the configuration and reboot the Windows system.
4. The new COM ports will appear in the system and can be used by applications.
D. Initial GTS Setup (Local Console Mode)
1. Connect a terminal to serial port 1 using 9600 bps, 8N1 configuration.
2. Power on the GTS516T.
3. When LEDs 9–16 illuminate, press the INT button (or “→” key on LCD version) to enter console mode.
4. Use the “?” command to list available commands.
5. Run:
```
sysconfig reinit
ifconfig
```
to initialize and configure the IP address and Ethernet connector type.
6. Save settings and reboot to apply.
E. Remote Configuration (Telnet Mode)
1. Once the IP address is known, connect via Telnet.
2. Log in using the default password root.
3. Use the “?” command to view available commands.
4. Configure serial port parameters as needed.
5. Execute save all to store settings.
6. Note: INIT mode cannot be accessed remotely; it is available only via local console.
### 7. Performance & Capabilities
- Serial Throughput: 50 bps to 57.6 kbps per channel, supporting a wide range of serial communication speeds.
- Parallel Port Performance: Optimized for printer or peripheral data transfer.
- Network Efficiency: Designed for stable Ethernet communication with minimal latency.
- Multiport Operation: All 16 serial ports can operate simultaneously, each independently configurable.
- Reliability: Hardware-based communication management ensures consistent performance under continuous operation.
- Scalability: Multiple GTS516T units can be deployed across a network for large-scale serial device integration.
- Limitations:
- INIT mode accessible only via local console.
- Windows driver support limited to NT/2000/XP.
- Maximum serial speed limited to 57.6 kbps.
### 8. Standards & Compliance
- Ethernet Standards: IEEE 802.3 (10Base-T, 10Base2, 10Base5 via UTP/BNC/AUI)
- Serial Communication Standards: RS-232 (DB25 interface)
- Parallel Communication Standard: IEEE 1284-compatible parallel port
- Electrical and Safety Compliance: Designed to meet industrial-grade electrical safety standards (specific certifications depend on model variant)
- Software Compatibility: Compliant with Windows driver architecture for virtual COM port mapping
- Network Protocols: Supports TCP/IP for Ethernet communication and Telnet for remote management
### 9. Additional Information
Warranty:
Standard manufacturer warranty (duration varies by region and distributor). Covers defects in materials and workmanship under normal operating conditions.
Technical Support:
For technical assistance, configuration help, or troubleshooting, users can contact Rayon support via email at rayon@ms1.hinet.net.
Maintenance:
- Periodic inspection of Ethernet and serial connections recommended.
- Firmware updates (if available) can be applied via console or network interface.
- Ensure adequate ventilation when rack-mounted to maintain optimal operating temperature.
Software Updates:
Driver and firmware updates are distributed by the manufacturer or authorized resellers. Users should verify compatibility before updating.
Documentation:
Comprehensive command reference and setup instructions are available in the GTS500 Series user manual. The “?” command within the console provides an on-device command list.
### Summary
The Rayon GTS516T Ethernet to 16x Serial + 1x Parallel Port Server is a robust, rack-mountable communication server designed for industrial and enterprise environments requiring centralized management of multiple serial and parallel devices over Ethernet. With support for 16 independent serial channels, one parallel interface, and flexible Ethernet connectivity (UTP/BNC/AUI), it bridges legacy serial equipment with modern network infrastructure.
Its configuration flexibility—via local console or remote Telnet—combined with Windows driver support and virtual COM port mapping, makes it an ideal solution for system integrators, automation engineers, and IT administrators managing distributed serial devices. The GTS516T delivers reliable performance, straightforward setup, and long-term operational stability in demanding networked communication environments.
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gts516-1.pdf
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gts516-2.pdf
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gts586-1.pdf
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gts586-2.pdf
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