1. Product Overview

Product Name: Rackmount Dual Rail LCD Keyboard Drawer with 8-Port Combo KVM Switch
Model Number: DMK208-19
Series: DMK208 Series (available in 17" and 19" LCD variants)
Article Number: DMK208-19
Manufacturer: [Not explicitly stated in source; presumed OEM/ODM manufacturer of rackmount KVM solutions]

The DMK208-19 is a professional-grade, rackmountable 1U 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, this unit combines a high-resolution 19-inch TFT LCD display, a full 104-key laptop-style keyboard with integrated touchpad, and a robust mechanical design optimized for 19-inch rack installations. The DMK208-19 provides centralized control of up to eight servers or computers, with optional daisy-chaining capability for expanded system management.

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2. Key Features

- 1U Rackmount Dual-Rail Design: The DMK208-19 occupies only 1U of rack space, featuring independent sliding rails for the LCD monitor and keyboard/touchpad assembly. This allows the display to remain visible while the keyboard is retracted, optimizing workspace efficiency.
- Integrated 8-Port Combo KVM Switch: Supports both USB and PS/2 connections, enabling flexible integration with a wide range of server hardware.
- Daisy-Chain Expandability: Compatible with CKVM108 and CKVM116 KVM expansion boxes, allowing multiple units to be linked for extended port capacity.
- High-Quality 19" TFT LCD Display: Offers a native resolution of 1280 × 1024 pixels, brightness of 300 cd/m², and contrast ratio of 800:1, ensuring clear and sharp image reproduction suitable for server monitoring and configuration tasks.
- Wide Viewing Angles: 170° horizontal and 160° vertical viewing angles provide excellent visibility from various positions.
- Tempered Glass Protection: The LCD panel is protected by a tempered glass cover, enhancing 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 Layout Options: Standard US layout with optional DE (German), ES (Spanish), FR (French), IT (Italian), RU (Russian), and UK (British) layouts available.
- Security Features: Key-locking mechanism prevents unauthorized access to the drawer; KVM switch supports two-layer password protection and server name search functionality.
- Self-Locking Rail Mechanism: Built-in rail locks secure the drawer in open or closed positions, preventing accidental movement during operation.
- Monitor Rotation: Up to 130° rotation angle for ergonomic viewing adjustment.
- Built-in Power Supply: Integrated 60W auto-switching power supply supports 100–240 VAC input range.
- Compliance: Meets EIA-310C and IEC-3 rackmount specifications; UL60950 version available upon request.

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3. Technical Specifications

| Parameter | Specification (DMK208-19) |
|----------------|--------------------------------|
| Form Factor | 1U Rackmount Dual-Rail Drawer |
| KVM Switch Type | 8-Port Combo (USB and PS/2) |
| Display Size | 19-inch 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 with integrated touchpad |
| Keyboard Layouts | US (standard), optional DE/ES/FR/IT/RU/UK |
| Construction Material | Heavy-duty steel chassis |
| 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) |
| Compliance Standards | EIA-310C, IEC-3, UL60950 (optional) |
| Security | Key-locking mechanism, password protection |
| Protection | Tempered glass LCD cover |
| Rotation Angle | Up to 130° |
| Color/Finish | Industrial black powder-coated steel |
| Cooling | Passive air ventilation through chassis openings |

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4. Functionality

The DMK208-19 functions as an integrated console and KVM management station for rack-mounted servers. The dual-rail design allows independent operation of the display and keyboard/touchpad assembly, enabling flexible access configurations.

Operation:
- The user slides out the keyboard tray and/or LCD monitor as needed.
- The built-in KVM switch allows selection between up to eight connected computers via front-panel buttons, on-screen display (OSD), or keyboard hotkeys.
- The combo interface supports both USB and PS/2 connections, ensuring compatibility with legacy and modern systems.
- The LCD provides real-time video output from the selected server, while the keyboard and touchpad provide direct input control.

Use Cases:
- Data centers and server rooms requiring centralized management of multiple servers.
- Network operation centers (NOCs) for monitoring and maintenance.
- Industrial control systems where space-efficient operator consoles are needed.
- IT environments requiring secure, rack-integrated access to multiple systems.

Compatibility:
- Compatible with standard 19-inch EIA-310C racks.
- Supports both USB and PS/2 keyboard/mouse interfaces.
- Works with Windows, Linux, UNIX, and other operating systems supporting standard HID input devices.
- Daisy-chain compatible with CKVM108 and CKVM116 expansion boxes for multi-rack scalability.

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5. Components & Accessories

Included Components:
- DMK208-19 main unit (LCD + keyboard/touchpad + KVM switch)
- Built-in 60W power supply (100–240 VAC)
- Mounting rails and brackets for 19" rack installation
- Key set for drawer lock
- User manual and installation guide

Standard Connectors:
- VGA (HDB15) for video input
- USB and PS/2 ports for keyboard/mouse connections
- Power input (IEC standard connector)

Optional Accessories:
- K102 Cable: 6-foot 2-in-1 cable for USB PC connection (HDB15 male + USB male).
- K103 Cable: 6-foot HDB15 connector to PS/2 PC connection (HDB15 male + PS/2 keyboard/mouse male).
- Remote Console Modules: Optional CAT5 or IP-based remote console for remote management.
- Daisy-Chain Expansion Units: CKVM108 or CKVM116 boxes for extended port capacity.

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6. Installation & Setup

Rack Requirements:
- Standard 19-inch rack compliant with EIA-310C and IEC-3 standards.
- Minimum depth of approximately 590 mm to accommodate the drawer assembly.
- 1U vertical rack space allocation.

Mounting Options:
- Dual-rail sliding mechanism allows independent movement of LCD and keyboard trays.
- Self-locking rails secure the unit in open or closed positions.
- Front-mount brackets attach directly to rack posts using standard rack screws.

Setup Procedure:
1. Mount the unit into the designated 1U rack space using the provided rails and brackets.
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 connected servers.
5. Use the OSD or front-panel buttons to select and control the desired server.
6. Configure password protection and server naming as needed.

Configuration:
- OSD menu allows configuration of display settings, password management, and port naming.
- Supports hotkey switching between connected systems.
- Optional remote console setup via CAT5 or IP module for remote access.

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7. Performance & Capabilities

Display Performance:
- The 19-inch TFT LCD delivers crisp 1280×1024 resolution suitable for BIOS-level and OS-level management.
- Brightness of 300 cd/m² ensures visibility in various lighting conditions.
- 800:1 contrast ratio provides clear differentiation between dark and light areas.
- Wide viewing angles (170° H / 160° V) allow multiple operators to view the screen simultaneously.

KVM Switching Performance:
- Supports up to eight directly connected servers.
- Daisy-chain capability allows expansion to manage dozens of systems through CKVM108/116 units.
- Fast switching between ports with minimal latency.
- Two-layer password protection enhances security for multi-user environments.
- Server name search function simplifies management in large installations.

Power Efficiency:
- Low standby power consumption (3 W) and moderate active power draw (25 W).
- Auto-switching power supply ensures stable operation across global voltage ranges.

Mechanical Performance:
- Heavy-duty steel construction ensures structural rigidity and long-term durability.
- Self-locking rails prevent accidental movement during operation.
- Key-lock mechanism adds physical security against unauthorized access.

Limitations:
- Designed for indoor, controlled environments (0–50°C operating range).
- Not intended for outdoor or high-vibration industrial use.
- Limited to 8 direct ports without daisy-chain expansion.

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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 Conditions: Designed for operation within 0–50°C and 0–90% RH non-condensing environments.
- EMC/EMI Compliance: Meets general industrial and IT equipment electromagnetic compatibility requirements (implicit in design).
- RoHS/CE Compliance: While not explicitly stated, typical for this class of equipment; confirm with manufacturer for certification details.

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9. Additional Information

Warranty:
- Standard manufacturer warranty (duration not specified; typically 1–3 years for similar products).
- Warranty covers defects in materials and workmanship under normal operating conditions.

Support:
- Technical support available through manufacturer or authorized distributor.
- Firmware and OSD updates may be provided for enhanced compatibility and performance.

Maintenance:
- Periodic cleaning of LCD screen with non-abrasive materials recommended.
- Ensure adequate ventilation and dust-free environment for optimal performance.
- Inspect rail mechanisms and locks periodically for smooth operation.

Upgrade & Expansion Options:
- Daisy-chain expansion via CKVM108/116 boxes for additional server connections.
- Optional remote console modules (CAT5/IP) for remote management.
- Alternate keyboard layouts available for international deployments.
- UL60950-compliant version available for markets requiring specific safety certification.

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Summary

The DMK208-19 Rackmount Dual Rail LCD Keyboard Drawer is a robust, space-efficient, and feature-rich console solution for professional IT environments. Combining a 19-inch high-resolution LCD, full keyboard with touchpad, and integrated 8-port Combo KVM switch, it enables centralized management of multiple servers from a single 1U rack space. Its dual-rail design, tempered glass protection, and heavy-duty steel construction ensure durability and ergonomic operation. With support for both USB and PS/2 interfaces, daisy-chain expandability, and optional remote access, the DMK208-19 delivers flexibility, security, and performance for modern data centers and enterprise server infrastructures.