1. Product Overview

Product Name: Rackmount Dual Rail LCD Keyboard Drawer with 16-Port Combo KVM Switch
Model: DMK216-19
Series: DMK216 Series (available in 17" and 19" LCD variants)
Article Number: DMK216-19
Manufacturer: Rayon

The DMK216-19 is a professional-grade, rackmountable 1U dual-rail LCD keyboard drawer integrating a 16-port Combo KVM switch designed for both USB and PS/2 server environments. It combines a high-resolution 19-inch TFT LCD display, a full 104-key laptop-style keyboard with integrated touchpad, and a robust KVM switching system into a single, space-efficient unit. Engineered for data centers, server rooms, and IT management environments, the DMK216-19 provides centralized control of up to 16 servers from a single console, with optional daisy-chaining for expanded scalability.

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2. Key Features

- 1U Rackmount Dual-Rail Design: The DMK216-19 fits into a standard 19-inch rack occupying only 1U of vertical space. Its dual-rail mechanism allows the LCD monitor and keyboard/touchpad to slide independently, enabling flexible operation and maintenance access.
- Integrated 16-Port Combo KVM Switch: Supports both USB and PS/2 interfaces, allowing connection to a wide range of servers and computers.
- Daisy-Chain Capability: Expandable via CKVM108 or CKVM116 boxes, enabling control of multiple KVM units from a single console.
- High-Quality 19" TFT LCD Display: Offers a native resolution of 1280 × 1024 pixels, brightness of 300 cd/m², and a contrast ratio of 800:1 for clear, sharp image reproduction.
- Wide Viewing Angles: 170° horizontal and 160° vertical viewing angles ensure visibility from multiple positions.
- Tempered Glass Protection: The LCD panel is shielded by tempered glass for enhanced durability and resistance to scratches or impact.
- Full-Size 104-Key Keyboard with Touchpad: Laptop-style keyboard includes numeric keypad and integrated touchpad for precise cursor control.
- International Keyboard Layouts: Standard US layout with optional DE (German), ES (Spanish), FR (French), IT (Italian), RU (Russian), and UK (British) layouts available.
- Security Features: Equipped with a key-locking mechanism to prevent unauthorized access and a built-in rail self-locking device for safety during operation.
- Password Protection: The Combo KVM supports two-layer password security and the ability to search for connected PC/server names.
- Optional Remote Console Support: Allows connection of one local console and one optional remote console via CAT5 or IP interface.
- Compliance: Meets EIA-310C and IEC-3 rackmount specifications for standardized installation.
- Power Efficiency: Low power consumption—3 W in standby and 25 W during operation.
- Built-in Power Supply: Integrated 60W auto-switching power supply supports 100–240 VAC input range.
- Durable Construction: Heavy-duty steel chassis ensures long-term reliability in demanding environments.
- Operating Flexibility: LCD monitor can tilt up to 130° for optimal viewing comfort.

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3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model Number | DMK216-19 |
| Form Factor | 1U Rackmount Dual-Rail Drawer |
| KVM Switch Type | 16-Port Combo KVM (USB and PS/2) |
| Display Type | 19" TFT LCD |
| Native Resolution | 1280 × 1024 pixels |
| Brightness | 300 cd/m² |
| Contrast Ratio | 800:1 |
| Viewing Angle | 170° (H) / 160° (V) |
| Display Colors | 16.7 million |
| Keyboard | 104-key laptop-style keyboard with integrated touchpad |
| Keyboard Layouts | US (standard), optional DE, ES, FR, IT, RU, UK |
| Construction Material | Heavy-duty steel |
| Dimensions (W × H × D) | 442.4 × 44 × 590 mm |
| Weight | Approximately 13 kg |
| Power Supply | Built-in 60W auto-switching (100–240 VAC) |
| Power Consumption | 3 W (standby), 25 W (in use) |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Operating Humidity | 0% to 90% RH (non-condensing) |
| Compliance Standards | EIA-310C, IEC-3 |
| Security Mechanisms | Key lock, self-locking rail device, password protection |
| Monitor Tilt Range | Up to 130° |
| Protective Features | Tempered glass LCD protection |
| Power Input Connector | Standard AC input (IEC type) |
| Color/Finish | Industrial black powder-coated finish |

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4. Functionality

The DMK216-19 functions as an integrated console and KVM management station for multi-server environments. It allows administrators to control up to 16 connected servers or computers directly from the built-in keyboard, monitor, and touchpad. The Combo KVM switch supports both USB and PS/2 interfaces, ensuring compatibility with legacy and modern systems alike.

Operation:
- The user slides out the drawer from the rack, unlocking it via the key mechanism if necessary.
- The dual-rail design allows the LCD monitor to be pulled out and tilted independently of the keyboard tray, enabling flexible viewing angles while maintaining access to the rack.
- The integrated KVM switch provides front-panel buttons or on-screen display (OSD) navigation for selecting between connected devices.
- The touchpad and keyboard provide direct input to the selected server.
- Optional remote console support allows remote management via CAT5 or IP-based connections.

Use Cases and Applications:
- Data centers and server farms requiring centralized management of multiple servers.
- Network operation centers (NOCs) and IT infrastructure facilities.
- Industrial control rooms and test environments.
- Secure server environments where physical access control is required.
- Environments with mixed USB and PS/2 hardware requiring flexible connectivity.

Compatibility:
- Compatible with major operating systems including Windows, Linux, UNIX, and macOS (via standard USB/PS2 interfaces).
- Works with standard VGA video output from servers or KVM-compatible devices.
- Daisy-chainable with CKVM108 or CKVM116 expansion boxes for extended port capacity.

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5. Components & Accessories

Included Components:
- DMK216-19 main unit (rackmount drawer with integrated LCD, keyboard, touchpad, and KVM switch)
- Built-in 60W power supply (100–240 VAC)
- Key set for locking mechanism
- Mounting brackets for standard 19" rack installation
- User manual and documentation

Optional Accessories:
- K102 Cable: 6-foot 2-in-1 cable for USB PC connection (includes 15-pin HD male VGA connector and USB connector).
- K103 Cable: 6-foot cable with HDB15 connector to PS/2 PC (includes PS/2 keyboard and mouse male connectors).
- CKVM108/CKVM116 Daisy Chain Boxes: For expanding the number of controllable servers beyond 16.
- Remote Console Module (CAT5/IP): Enables remote access and control over network infrastructure.
- Alternative Keyboard Layouts: Optional language-specific keyboard modules.

Connectors:
- VGA video input (15-pin HD male)
- USB and PS/2 input ports for keyboard/mouse control
- Power input (IEC AC connector)

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6. Installation & Setup

Rack Installation Requirements:
- Standard 19-inch rack compliant with EIA-310C and IEC-3 standards.
- Minimum 1U vertical rack space (44 mm height).
- Depth clearance of at least 590 mm to accommodate drawer extension.

Mounting Options:
- Supplied with adjustable mounting brackets for secure installation in various rack depths.
- Dual-rail mechanism allows independent sliding of LCD and keyboard trays.
- Self-locking rails ensure stability when extended.

Setup Procedure:
1. Mount the DMK216-19 into the rack using the provided brackets and screws.
2. Connect the power cable to the integrated power supply (100–240 VAC).
3. Connect the VGA and USB/PS2 cables from each server to the corresponding KVM ports.
4. Power on the unit and servers.
5. Use the on-screen display (OSD) or front-panel buttons to select and manage connected systems.
6. Configure password protection and naming conventions for each connected server if desired.

Configuration Options:
- Assign server names for easy identification.
- Set up two-layer password protection for enhanced security.
- Adjust display brightness, contrast, and OSD settings.
- Configure hotkeys for quick switching between servers.

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7. Performance & Capabilities

Switching Performance:
- Supports up to 16 direct server connections.
- Daisy-chain capability allows expansion to control multiple KVM units.
- Fast switching between connected devices via OSD or hotkey commands.

Display Performance:
- 19" TFT LCD with 1280 × 1024 resolution ensures crisp text and graphics.
- 300 cd/m² brightness and 800:1 contrast ratio provide excellent visibility in various lighting conditions.
- Wide viewing angles (170° H / 160° V) support multi-user operation and flexible positioning.

Input Responsiveness:
- Integrated touchpad offers precise cursor control.
- Keyboard provides tactile feedback suitable for extended use.

Power Efficiency:
- Low standby power consumption (3 W) minimizes energy usage when idle.
- 25 W typical operating power ensures efficient performance.

Environmental Tolerance:
- Operates reliably in temperatures from 0°C to 50°C.
- Can be stored safely between -20°C and 60°C.
- Humidity tolerance up to 90% RH (non-condensing).

Limitations:
- Designed for VGA video input only (no HDMI or DVI support).
- Remote console functionality requires optional module.
- Limited to 1280 × 1024 resolution (non-widescreen format).

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8. Standards & Compliance

- Rackmount Standards: Complies with EIA-310C and IEC-3 specifications for 19-inch rack equipment.
- Electrical Safety: UL60950 version available upon request, ensuring compliance with international safety standards for IT equipment.
- Environmental Compliance: Designed for industrial and data center environments with wide operating temperature and humidity ranges.
- Quality Assurance: Manufactured under strict quality control processes to ensure reliability and long service life.

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9. Additional Information

Warranty:
Typically supplied with a standard manufacturer’s warranty (duration dependent on region and distributor). Warranty covers defects in materials and workmanship under normal operating conditions.

Support:
Technical support and documentation available through Rayon’s authorized service channels. Firmware updates and configuration utilities may be provided for compatible KVM management software.

Maintenance:
- Periodic cleaning of the LCD screen with non-abrasive materials recommended.
- Ensure ventilation openings remain unobstructed.
- Regular inspection of cables and connectors for wear or damage.
- Firmware updates (if applicable) should be applied according to manufacturer instructions.

Product Lifecycle & Updates:
The DMK216-19 is part of Rayon’s ongoing DMK216 series, which includes both 17" and 19" variants. Future revisions may include enhanced display resolutions, IP-based remote management, or updated interface standards.

Summary:
The Rayon DMK216-19 Rackmount Dual Rail LCD Keyboard Drawer with 16-Port Combo KVM Switch is a robust, space-efficient solution for centralized server management. Combining a high-quality 19" LCD display, full keyboard and touchpad, and a versatile KVM switch supporting both USB and PS/2 interfaces, it delivers exceptional functionality for IT administrators. Its dual-rail design, security features, and compliance with industry standards make it ideal for enterprise data centers, network operations, and secure server environments requiring reliable, consolidated control.

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