Comprehensive Product Summary: DMK525-17 / SMK525 1U Rackmount LCD Keyboard Drawer

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### 1. Product Overview

Product Name: DMK525-17
Model: SMK525
Series: 1U Rackmount Monitor–Keyboard Drawer
Article Number: DMK525-17
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan R.O.C.
Contact:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net
- Website: [www.rayontech.com](http://www.rayontech.com)

Product Description:
The DMK525-17 (also referenced as SMK525) is a professional-grade 1U rackmount LCD keyboard drawer designed for data centers, server rooms, and industrial control environments. It integrates a high-brightness TFT LCD monitor, a full mechanical keyboard with integrated touchpad, and a dual-rail sliding mechanism that allows independent operation of the display and keyboard. The unit is engineered to meet EIA-310C and IEC-3 rackmount standards, ensuring compatibility with standard 19-inch rack systems. Constructed from heavy-duty steel, the DMK525-17 provides durability, ergonomic operation, and efficient space utilization in high-density IT environments.

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### 2. Key Features

- 1U Rackmount Design: Compact 1U height (44.5 mm) for efficient use of rack space.
- Dual-Rail Mechanism: Independent sliding rails for the LCD and keyboard, allowing the display to remain visible while the keyboard is retracted.
- Integrated Components: Combines a 17-inch TFT LCD monitor, 105/108-key mechanical keyboard, and touchpad in a single assembly.
- High-Brightness Display: 17” TFT LCD with 1280 × 1024 resolution and 300 cd/m² brightness for clear image reproduction.
- Durable Construction: Heavy-duty steel chassis designed for long-term reliability in industrial and IT environments.
- Self-Locking Rail System: Built-in rail locking mechanism ensures stability and safety during operation and transport.
- Keyboard Options: Standard US layout with optional international layouts (DE, ES, FR, IT, RU, UK).
- Automatic Backlight Control: LCD backlight automatically turns off when the screen is folded down, extending panel life.
- Standard Connectivity: VGA video input and PS/2 connectors for keyboard and mouse; compatible with standard server interfaces.
- Compliance: Meets EIA-310C and IEC-3 specifications for rackmount equipment.
- Optional UL60950 Version: Available upon request for enhanced safety compliance.
- Long Backlight Life: LCD backlight rated for 30,000 hours MTBF at 25°C ±5°C.
- Integrated OSD Controls: On-screen display for brightness, contrast, and color adjustments.
- Security Features: Front panel keylock for access control and protection against unauthorized use.
- Auto-Switching Power Supply: Supports 100–240V AC input for global compatibility.

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### 3. Technical Specifications

Physical Dimensions:
- Width: 442.4 mm
- Height: 44.5 mm (1U)
- Depth: 480 mm

Weight:
- Approx. 9.5–10 kg (depending on configuration)

Construction Material:
- Heavy-duty steel chassis with powder-coated finish for durability and EMI shielding.

Display Specifications:
- Type: TFT LCD
- Diagonal Size: 17 inches (DMK525-17) / 15 inches (SMK525 variant)
- Resolution: 1280 × 1024 (17”) or 1024 × 768 (15”)
- Brightness: 250–300 cd/m² (nits)
- Contrast Ratio: 350:1 to 400:1
- Viewing Angle: 120° (typical)
- Color Depth: 262K to 16.7M colors (depending on panel version)
- Frequency: 60 Hz refresh rate
- Backlight MTBF: 30,000 hours at 25°C ±5°C
- Control: OSD (On-Screen Display) menu for brightness, contrast, and color settings.

Keyboard & Pointing Device:
- Type: Mechanical keyboard
- Keys: 105 or 108 keys (depending on layout)
- Layout: US standard (optional DE, ES, FR, IT, RU, UK)
- Integrated Touchpad: Yes, supports standard mouse functions
- Interface: PS/2 or USB (depending on configuration)

Electrical Characteristics:
- Power Supply: 100–240V AC, auto-switching
- Power Consumption: Typical <40W (LCD + keyboard + touchpad)
- Power Connector: Standard IEC power inlet
- Safety: Optional UL60950 compliant version available.

Environmental Conditions:
- Operating Temperature: 0°C to 50°C (32°F to 122°F)
- Storage Temperature: -20°C to 60°C (-4°F to 140°F)
- Relative Humidity: 10%–90% non-condensing
- Cooling: Passive air ventilation through chassis openings.

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### 4. Functionality

The DMK525-17 functions as an integrated console drawer for rack-mounted servers and network equipment. It allows administrators to access, monitor, and control multiple systems directly from the rack without the need for an external monitor, keyboard, or mouse.

Operation:
- The dual-rail design enables the LCD panel and keyboard to slide independently. The user can pull out the monitor for viewing while keeping the keyboard retracted, or extend both for full console operation.
- The LCD automatically powers down when folded to conserve energy and extend backlight life.
- The touchpad provides precise cursor control, eliminating the need for an external mouse.
- The OSD menu allows adjustment of display parameters such as brightness, contrast, and color balance.

Use Cases:
- Data centers and server rooms for direct server management.
- Industrial automation systems requiring integrated control interfaces.
- Network operation centers (NOCs) for monitoring and diagnostics.
- Laboratory and testing environments where space efficiency is critical.
- Embedded systems and control cabinets with limited front-panel space.

Compatibility:
- Compatible with standard VGA video output and PS/2 keyboard/mouse interfaces.
- Works with most rackmount KVM switches and server management systems.
- Suitable for 19-inch EIA-310C compliant racks.

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### 5. Components & Accessories

Included Items:
- 1 × DMK525-17 / SMK525 1U LCD Keyboard Drawer
- 2 × Extension Brackets (for adjustable rack depth)
- 1 × Power Cord (IEC type)
- 1 × D-Sub 15 VGA + PS/2 3-in-1 Cable (for video, keyboard, and mouse connections)
- 1 × Screw Package (mounting hardware)
- 1 × User Manual (installation and operation guide)

Optional Accessories:
- Alternate keyboard layouts (DE, ES, FR, IT, RU, UK)
- UL60950 certified version for enhanced safety compliance
- USB interface version (on request)
- KVM switch integration cables
- Rackmount cable management arm.

Connectors:
- VGA (D-Sub 15-pin) for video input
- PS/2 connectors for keyboard and mouse
- IEC power inlet for AC input.

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### 6. Installation & Setup

Rack Compatibility:
- Designed for standard 19-inch racks conforming to EIA-310C and IEC-3 specifications.
- Occupies 1U of vertical rack space.

Mounting Options:
- Dual-rail slide mechanism with adjustable mounting brackets to fit various rack depths.
- Self-locking rails prevent accidental movement during operation.
- Front panel keylock secures the drawer in closed position when not in use.

Installation Requirements:
- Minimum rack depth: approximately 480 mm
- Power source: 100–240V AC
- Video connection: VGA output from target system or KVM switch
- Keyboard/mouse connection: PS/2 or USB (depending on configuration)

Setup Procedure:
1. Attach the extension brackets to the drawer chassis.
2. Mount the assembly into the rack using the provided screws.
3. Connect the VGA and PS/2 cables to the target system or KVM switch.
4. Connect the power cord to the IEC inlet and power source.
5. Power on the unit and adjust display settings via the OSD menu.
6. Verify keyboard and touchpad functionality.

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### 7. Performance & Capabilities

Display Performance:
- High-brightness TFT LCD ensures clear visibility in various lighting conditions.
- 1280 × 1024 resolution (17”) provides sharp image quality suitable for server management and graphical interfaces.
- 60 Hz refresh rate ensures flicker-free operation.
- Wide 120° viewing angle allows comfortable use from different positions.

Keyboard & Input Performance:
- Mechanical key switches provide tactile feedback and long service life.
- Integrated touchpad offers precise cursor control without external peripherals.
- Full 105/108-key layout supports standard PC functions and numeric input.

Operational Efficiency:
- Dual-rail design enhances workflow by allowing independent use of display and keyboard.
- Automatic backlight shutoff reduces power consumption and extends LCD lifespan.
- Self-locking rails and keylock mechanism improve safety and security.

Limitations:
- Single VGA input (no digital DVI/HDMI support).
- PS/2 interface may require adapters for modern USB-only systems.
- Not designed for outdoor or high-vibration environments.

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### 8. Standards & Compliance

Mechanical Standards:
- EIA-310C and IEC-3 compliant for 19-inch rackmount installations.

Electrical & Safety Standards:
- Optional UL60950 version available for enhanced electrical safety compliance.
- Designed to meet international electrical and mechanical safety requirements.

Environmental Compliance:
- RoHS-compliant materials (lead-free construction).
- Designed for low power consumption and extended component life.

Quality Assurance:
- Manufactured under strict quality control by Rayon Technology Co., Ltd.
- Each unit tested for mechanical integrity, electrical safety, and display performance prior to shipment.

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### 9. Additional Information

Warranty:
- Standard manufacturer’s warranty (typically 1 year, extendable upon request).
- Covers defects in materials and workmanship under normal operating conditions.

Technical Support:
- Provided by Rayon Technology Co., Ltd. via email and phone.
- Online resources available at [www.rayontech.com](http://www.rayontech.com).

Maintenance:
- Periodic cleaning of LCD surface and keyboard recommended.
- Ensure proper ventilation to prevent overheating.
- Avoid exposure to moisture or corrosive environments.

Firmware & Updates:
- OSD firmware updates available through manufacturer support (if applicable).
- Configuration settings retained through power cycles.

Serviceability:
- Modular design allows replacement of LCD panel, keyboard, or touchpad if required.
- Power supply and cabling accessible for maintenance.

Product Lifecycle:
- Designed for long-term deployment in enterprise and industrial environments.
- Backlight rated for 30,000 hours MTBF ensures extended operational life.

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### Summary

The Rayon Technology DMK525-17 (SMK525) is a robust, space-efficient 1U rackmount LCD keyboard drawer engineered for professional IT and industrial applications. Combining a 17-inch high-brightness TFT LCD, mechanical keyboard, and integrated touchpad, it provides a complete console solution for server management within a compact form factor. Its dual-rail design, self-locking mechanism, and EIA-310C compliance make it ideal for data centers and control systems requiring reliability, ergonomics, and efficient space utilization. With standard VGA and PS/2 connectivity, auto-switching power supply, and optional international keyboard layouts, the DMK525-17 delivers flexibility and performance for a wide range of rackmount environments.

Built from heavy-duty steel and backed by Rayon Technology’s quality assurance, this unit offers long service life, ease of installation, and dependable operation—making it a trusted choice for IT administrators and system integrators worldwide.