1. Product Overview

Product Name: Rackmount Dual Rail LCD Keyboard Drawer with 8-Port Combo KVM Switch
Model: DMK208-17
Series: DMK208 Series (available in 17" and 19" variants)
Article Number: DMK208-17
Manufacturer: Rayon

The DMK208-17 is a professional-grade 1U rackmount dual-rail LCD keyboard drawer integrating an 8-port Combo KVM switch supporting both USB and PS/2 interfaces. Designed for data centers, server rooms, and IT infrastructure environments, it combines a 17-inch high-brightness TFT LCD display, a 104-key notebook-style keyboard with integrated touchpad, and a secure, self-locking dual-rail mechanism. The unit provides centralized control of up to eight servers or computers from a single console, with optional daisy-chaining for expanded management capacity.

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2. Key Features

- 1U Rackmount Dual-Rail Design:
The DMK208-17 fits into a standard 19-inch rack occupying only 1U of vertical space. The dual-rail mechanism allows the LCD monitor and keyboard/touchpad to slide independently, enabling flexible operation and space efficiency.

- Integrated 8-Port Combo KVM Switch:
Supports both USB and PS/2 connections, allowing mixed environments of legacy and modern systems. The integrated KVM switch enables control of up to eight servers from a single console.

- Daisy-Chain Expandability:
Compatible with CKVM108/116 expansion boxes, allowing multiple KVM units to be linked for extended server management capacity.

- High-Quality Display:
Equipped with a 17-inch A-grade TFT LCD panel offering 1280 × 1024 resolution, 300 cd/m² brightness, and 800:1 contrast ratio. The display is protected by tempered glass for durability and scratch resistance.

- Ergonomic Keyboard and Touchpad:
Features a 104-key laptop-style keyboard with integrated touchpad for precise cursor control. The keyboard includes a full numeric keypad and function keys, supporting multiple international layouts (US standard, optional DE, ES, FR, IT, RU, UK).

- Security and Access Control:
Incorporates a key-locking mechanism to prevent unauthorized access to the console. The KVM switch supports two-layer password protection and server name search for enhanced security and management efficiency.

- Self-Locking Rail Mechanism:
Built-in rail self-locking device ensures the drawer remains securely in position during operation or transport.

- Flexible Viewing Angle:
The LCD monitor supports up to 130° rotation, allowing comfortable viewing angles in various rack configurations.

- Robust Construction:
Built from heavy-duty steel, the DMK208-17 is engineered for durability and long-term reliability in demanding IT environments.

- Power and Environmental Tolerance:
Integrated 60W auto-switching power supply (100–240 VAC) with wide operating temperature range (-20°C to 70°C for power supply, 0°C to 50°C for operation).

- Compliance and Standards:
Meets EIA-310C and IEC-3 rackmount specifications, ensuring compatibility with standard 19-inch rack systems.

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3. Technical Specifications

| Parameter | DMK208-17 |
|----------------|----------------|
| KVM Switch Type | 8-Port Combo KVM (USB or PS/2) |
| Drawer Design | 1U, Dual-rail, self-locking mechanism |
| Construction Material | Heavy-duty steel |
| Dimensions (W × H × D) | 442.4 × 44 × 590 mm |
| Weight | Approx. 13 kg |
| Power Supply | Built-in 60W, 100–240 VAC auto-switching |
| 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 | 0–90% RH (non-condensing) |
| LCD Display Size | 17-inch TFT LCD |
| Resolution | 1280 × 1024 pixels |
| Brightness | 300 cd/m² |
| Contrast Ratio | 800:1 |
| Viewing Angle (H/V) | 160° / 160° |
| Display Colors | 16.7 million |
| Keyboard Type | 104-key notebook-style keyboard with touchpad |
| Keyboard Layouts | US (default), optional DE, ES, FR, IT, RU, UK |
| Monitor Rotation | Up to 130° |
| Physical Security | Key-locking mechanism |
| Screen Protection | Tempered glass |
| Compliance | EIA-310C, IEC-3 |
| Optional Version | UL60950-compliant version available on request |

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4. Functionality

The DMK208-17 functions as an integrated rackmount console and KVM switch, enabling administrators to manage multiple servers directly from the rack without the need for external peripherals.

- Operation:
The user slides out the drawer to reveal the keyboard and touchpad, while the LCD monitor can be independently extended for viewing. The dual-rail design allows the display to remain visible even when the keyboard is retracted, optimizing space in high-density rack environments.

- KVM Switching:
The built-in 8-port Combo KVM switch allows seamless switching between connected servers via keyboard hotkeys or on-screen display (OSD). Both USB and PS/2 interfaces are supported, ensuring compatibility with a wide range of server hardware.

- Daisy-Chaining:
When connected to CKVM108 or CKVM116 expansion boxes, multiple KVM units can be linked, allowing centralized control of dozens of servers from a single console.

- Security:
The key-lock mechanism physically secures the drawer, while the KVM’s dual-password system restricts access to authorized users only.

- Applications:
Ideal for data centers, network operation centers (NOCs), server farms, and industrial control rooms where space efficiency, centralized management, and security are critical.

- Compatibility:
Supports standard VGA video connections and USB or PS/2 keyboard/mouse interfaces. Compatible with most major server platforms and operating systems.

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5. Components & Accessories

Included Components:
- DMK208-17 main unit (1U rackmount drawer with integrated LCD, keyboard, touchpad, and KVM switch)
- Built-in 60W power supply (100–240 VAC)
- Mounting rails and hardware
- Key set for locking mechanism
- User manual and installation guide

Standard Connectors:
- Video Input: VGA (15-pin HD male)
- Keyboard/Mouse Input: USB or PS/2 (combo interface)
- Power Input: IEC AC inlet (100–240 VAC)

Optional Accessories:
- K102 Cable: 6-foot 2-in-1 cable for USB PC connection (VGA + USB)
- K103 Cable: 6-foot cable with HDB15 connector for PS/2 PC connection (VGA + PS/2 keyboard/mouse)
- Remote Console Module: Optional CAT5 or IP-based remote console for extended access
- Daisy-Chain Modules: CKVM108 or CKVM116 expansion boxes for multi-unit chaining

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6. Installation & Setup

Rack Installation:
- Designed for standard 19-inch EIA-310C racks.
- Occupies 1U of vertical rack space.
- Dual-rail slide mechanism allows independent movement of the LCD and keyboard sections.
- Includes self-locking rails to secure the drawer in open or closed positions.

Power Requirements:
- Operates on 100–240 VAC, 50/60 Hz input.
- Built-in auto-switching 60W power supply eliminates the need for external adapters.

Configuration:
- Connect each server to the KVM switch using the appropriate K102 (USB) or K103 (PS/2) cable.
- Configure the KVM OSD for server naming, password protection, and hotkey preferences.
- Optional daisy-chain setup allows linking multiple KVM units for expanded control.

Environmental Considerations:
- Ensure adequate ventilation within the rack.
- Operate within the specified temperature and humidity ranges for optimal performance.

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7. Performance & Capabilities

- Switching Capacity:
Controls up to 8 servers directly; expandable via daisy-chain to manage multiple racks.

- Display Performance:
The 17-inch TFT LCD provides 1280 × 1024 resolution, 300 cd/m² brightness, and 800:1 contrast ratio, ensuring clear and sharp visuals for server monitoring and configuration tasks.

- Power Efficiency:
Consumes only 3 watts in standby and 25 watts during operation, minimizing energy usage in continuous operation environments.

- Operational Flexibility:
The dual-rail design allows the monitor to remain visible while the keyboard is retracted, supporting real-time monitoring without occupying additional rack space.

- Security and Reliability:
The combination of key-locking, password protection, and tempered glass screen ensures both physical and data security.

- Limitations:
The DMK208-17 supports analog VGA video input only; digital video interfaces (DVI, HDMI, DisplayPort) are not supported. Remote access requires optional modules.

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8. Standards & Compliance

- Rackmount Standards:
Complies with EIA-310C and IEC-3 specifications for 19-inch rackmount equipment.

- Electrical Safety:
UL60950-compliant version available upon request, ensuring adherence to international safety standards for IT equipment.

- Environmental Compliance:
Designed for operation within 0–50°C and 0–90% RH, suitable for controlled data center environments.

- Quality Assurance:
Built using A-grade LCD panels and industrial-grade steel chassis for long-term reliability.

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9. Additional Information

- Warranty:
Typically supplied with a standard manufacturer’s warranty (duration dependent on distributor or region). Covers defects in materials and workmanship under normal use.

- Support:
Technical support available through authorized Rayon service centers or distributors. Firmware updates and configuration utilities may be provided for KVM management.

- Maintenance:
Minimal maintenance required. Periodic cleaning of the LCD screen (using non-abrasive materials) and inspection of rail mechanisms recommended. Ensure ventilation openings remain unobstructed.

- Upgrade Options:
- Optional 19-inch LCD version (DMK208-19) with identical specifications except for display size and viewing angle (170°H / 160°V).
- Optional remote console modules for IP-based management.
- Daisy-chain expansion for large-scale server environments.

- Use Case Summary:
The DMK208-17 is ideal for IT administrators managing multiple servers in confined rack environments. It consolidates display, input, and switching functions into a single, secure, and space-efficient unit, reducing clutter and improving operational efficiency.

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Summary

The Rayon DMK208-17 Rackmount Dual Rail LCD Keyboard Drawer is a high-performance, space-saving console solution integrating an 8-port Combo KVM switch for USB and PS/2 systems. With its 17-inch high-resolution LCD, durable steel construction, dual-rail self-locking design, and comprehensive security features, it provides a robust and efficient interface for centralized server management. Its expandability, multi-language keyboard options, and compliance with industry standards make it a versatile choice for enterprise data centers, industrial control systems, and network management facilities seeking reliability, security, and ergonomic efficiency in a compact 1U form factor.