Comprehensive Product Summary – DMK525 / SMK525 1U Rackmount LCD Keyboard Drawer

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### 1. Product Overview

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

Product Description:
The DMK525 (also referenced as SMK525) is a 1U rackmount dual-rail LCD keyboard drawer designed for professional IT environments, data centers, and industrial control systems. It integrates a 15-inch high-brightness TFT LCD monitor, a full mechanical keyboard with integrated touchpad, and a self-locking dual-rail slide mechanism. The unit provides a compact, space-saving solution for server management, offering both visual display and input control within a single rackmount enclosure.

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### 2. Key Features

- 1U Rackmount Design: Compact 1U height (44.5 mm) suitable for standard 19-inch EIA-310C and IEC-3 compliant racks.
- Dual-Rail Mechanism: Independent sliding rails allow the LCD monitor and keyboard/touchpad to operate separately, enhancing flexibility during maintenance or monitoring.
- Integrated Components: Combines a 15” TFT LCD display, 105/108-key mechanical keyboard, and touchpad into a single modular drawer.
- High-Brightness Display: 250 cd/m² brightness with 1024×768 resolution for clear, sharp visuals in various lighting conditions.
- Durable Construction: Heavy-duty steel chassis ensures mechanical stability and long-term reliability in demanding environments.
- Self-Locking Rail System: Built-in rail self-locking device prevents accidental movement or drawer slippage during operation.
- Automatic Backlight Control: LCD backlight automatically turns off when the screen is folded down, extending display life and reducing power consumption.
- International Keyboard Layouts: Standard US layout with optional DE (German), ES (Spanish), FR (French), IT (Italian), RU (Russian), and UK (United Kingdom) layouts available.
- Standard Connectivity: VGA video input and PS/2 connectors for keyboard and mouse compatibility.
- Safety and Compliance: UL60950 version available upon request for enhanced safety compliance.
- Ease of Integration: Uses standard keyboard, mouse, and VGA cables for straightforward installation and compatibility with most server systems.

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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)

Display Specifications:
- Type: 15-inch TFT LCD
- Resolution: 1024 × 768 (XGA)
- Brightness: 250 nits (cd/m²)
- Contrast Ratio: 350:1 to 400:1 (model dependent)
- Viewing Angle: 120° (typical)
- Color Depth: 262K to 16.7M colors (native)
- Refresh Rate: 60 Hz
- Backlight MTBF: 30,000 hours at 25°C ±5°C
- Control Interface: On-Screen Display (OSD) menu for brightness, contrast, and color adjustments

Keyboard & Pointing Device:
- Type: Mechanical keyboard
- Keys: 105 or 108 keys (depending on model)
- Layout: US standard (optional DE, ES, FR, IT, RU, UK)
- Integrated Touchpad: Yes, with two-button control
- Keylock Protection: Front panel keylock for security

Power Supply:
- Input Voltage: 100–240V AC, auto-switching
- Frequency: 50/60 Hz
- Power Consumption: Low power design (typical <40W)

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

Material & Finish:
- Chassis: Heavy-duty steel construction
- Finish: Black powder-coated surface for corrosion resistance

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### 4. Functionality

The DMK525/SMK525 functions as an integrated rackmount console, combining display and input control in a single sliding drawer. It is designed for direct server access in rack environments, allowing administrators to monitor, configure, and troubleshoot systems without requiring an external monitor or keyboard.

Operational Concept:
- The dual-rail design allows the LCD monitor and keyboard/touchpad to slide independently. The user can pull out the monitor for viewing while keeping the keyboard retracted, or extend both for full operation.
- The LCD automatically powers down when folded, conserving energy and extending backlight life.
- The OSD (On-Screen Display) provides intuitive control over display parameters such as brightness, contrast, and color balance.
- The integrated touchpad replaces the need for an external mouse, offering precise cursor control within the confined rack space.

Use Cases & Applications:
- Data centers and server rooms for direct rack-level management.
- Industrial automation systems requiring integrated control interfaces.
- Network operation centers (NOCs) for monitoring and diagnostics.
- Test and measurement environments where space efficiency is critical.
- Telecommunications and broadcast equipment racks.

Compatibility:
- Compatible with standard VGA video output from servers, KVM switches, or computers.
- Keyboard and mouse interfaces via PS/2 connectors (USB versions may be supported via adapters).
- Fits standard 19-inch rackmount enclosures conforming to EIA-310C and IEC-3 standards.

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### 5. Components & Accessories

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

Optional Accessories:
- Alternate keyboard layouts (DE, ES, FR, IT, RU, UK)
- UL60950-compliant version for enhanced safety certification
- USB interface conversion cables (optional)
- Rackmount KVM switch integration kits

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

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### 6. Installation & Setup

Rack Compatibility:
- Designed for 19-inch rack systems compliant with EIA-310C and IEC-3 standards.
- Occupies 1U of vertical rack space.

Mounting Options:
- Dual-rail slide mechanism with self-locking feature for secure positioning.
- Adjustable mounting brackets accommodate various rack depths.
- Front panel keylock provides physical security against unauthorized access.

Installation Steps (General):
1. Attach the extension brackets to the rack rails using the provided screws.
2. Slide the drawer assembly into the rack and secure it using the front mounting ears.
3. Connect the VGA and PS/2 cables to the corresponding server or KVM switch ports.
4. Connect the AC power cord to the power inlet and verify voltage compatibility (100–240V).
5. Power on the unit and adjust display settings via the OSD menu.
6. Test keyboard and touchpad functionality to ensure proper operation.

Configuration:
- Display parameters adjustable via OSD.
- Keyboard and touchpad are plug-and-play with most operating systems (Windows, Linux, UNIX).
- No additional drivers required for standard PS/2 operation.

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### 7. Performance & Capabilities

Display Performance:
- Provides clear, high-contrast visuals suitable for text-based server consoles and graphical interfaces.
- 250 nits brightness ensures readability in both dim and moderately lit environments.
- 1024×768 resolution supports standard VGA output from most servers and KVM switches.

Input Performance:
- Mechanical keyboard offers tactile feedback and durability for frequent use.
- Integrated touchpad ensures precise cursor control without external peripherals.

Operational Efficiency:
- Dual-rail design allows independent operation of display and keyboard, improving workflow efficiency.
- Automatic backlight shutoff reduces power consumption and extends display life.
- Self-locking rails enhance safety and stability during operation.

Limitations:
- Resolution limited to 1024×768 (XGA), not suitable for high-resolution graphical applications.
- PS/2 interface may require adapters for modern USB-only systems.
- Designed primarily for indoor, controlled environments (not outdoor-rated).

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### 8. Standards & Compliance

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

Electrical & Safety Standards:
- UL60950 version available upon request for compliance with international safety standards.
- CE and FCC compliance (typical for Rayon Technology rackmount products).

Environmental Compliance:
- RoHS-compliant materials used in construction.
- Designed for energy efficiency and reduced environmental impact.

Quality Assurance:
- Manufactured under ISO-certified quality management systems.
- Each unit tested for electrical safety, display performance, and mechanical integrity before 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.
- Documentation and firmware updates available through the official website.

Maintenance:
- Periodic cleaning of LCD surface and keyboard recommended.
- Avoid exposure to excessive dust, moisture, or vibration.
- Replace backlight after extended use if brightness degradation occurs (after ~30,000 hours).

Product Lifecycle & Updates:
- Designed for long-term availability and compatibility with existing rackmount infrastructure.
- Future models may include USB interface options and higher-resolution LCD panels.

Manufacturer Commitment:
Rayon Technology Co., Ltd. specializes in rackmount display and input solutions for industrial and IT applications. The DMK525/SMK525 exemplifies the company’s focus on durability, ergonomic design, and compliance with international standards.

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### Summary

The DMK525 / SMK525 1U Rackmount LCD Keyboard Drawer from Rayon Technology Co., Ltd. is a robust, space-efficient console solution integrating a 15-inch TFT LCD monitor, full mechanical keyboard, and touchpad into a single 1U rackmount chassis. Engineered for data centers, industrial control systems, and network environments, it offers high reliability, ergonomic operation, and compliance with global rackmount standards. With its dual-rail independent sliding mechanism, self-locking rails, and automatic backlight control, the DMK525 delivers both operational convenience and long-term durability. Its compatibility with standard VGA and PS/2 interfaces ensures seamless integration into existing infrastructures, making it a practical choice for IT administrators and system integrators seeking a dependable rackmount console solution.