Comprehensive Product Summary – SMK920-19 Rackmount 1U 19" LCD Keyboard USB Drawer

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### 1. Product Overview

Product Name: Rackmount 1U 19" LCD Keyboard USB Drawer
Model Number: SMK920-19
Series: SMK920 Series (available in 17" and 19" LCD variants)
Article Number: SMK920-19
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact Information:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net
- Websites: [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon), [www.rayontech.com](http://www.rayontech.com)

Product Description:
The SMK920-19 is a professional-grade 1U rackmount LCD keyboard drawer integrating a 19-inch TFT LCD display, a full 105-key keyboard with integrated touchpad, and USB/VGA connectivity. Designed for data centers, server rooms, and industrial control environments, it provides a compact, space-saving interface solution for system administrators and IT professionals. The unit features a heavy-duty steel construction, tempered glass LCD protection, and a self-locking rail mechanism for secure operation within standard 19-inch rack systems.

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### 2. Key Features

- 1U Rackmount Design: Compact single-unit height (1U) drawer suitable for standard 19-inch rack installations.
- Integrated Display: Built-in 19-inch TFT LCD panel with 1280 × 1024 resolution, offering sharp image quality for server monitoring and configuration.
- High Brightness and Contrast: 300 cd/m² brightness and 500:1 contrast ratio ensure clear visibility in various lighting conditions.
- Wide Viewing Angles: 150° horizontal and 130° vertical viewing angles for flexible operation and readability.
- Full-Size Keyboard: 105-key Cherry switch keyboard with integrated touchpad for precise cursor control.
- International Layout Options: Standard US layout with optional DE (German), ES (Spanish), FR (French), IT (Italian), RU (Russian), and UK (United Kingdom) layouts available.
- USB Interface: USB connectivity for both keyboard and mouse functions, ensuring compatibility with modern server systems.
- VGA Video Input: Standard D-Sub 15-pin VGA connector for video signal input from servers or KVM switches.
- Self-Locking Rail Mechanism: Built-in rail self-locking device prevents accidental drawer movement during operation.
- Tempered Glass Protection: Reinforced tempered glass panel protects the LCD screen from impact and scratches.
- Heavy-Duty Construction: Fabricated from durable steel for long-term reliability in demanding environments.
- Auto-Switching Power Supply: Supports AC 110/220V auto-switching input and DC 125V/250V operation.
- UL60950 Version Available: Optional version compliant with UL60950 safety standard upon request.
- CE and FCC Approved: Meets international safety and electromagnetic compatibility standards.
- Long Backlight Life: LCD backlight rated for 30,000 hours MTBF, ensuring extended operational lifespan.
- Compact and Lightweight: Approximately 12–16 kg total weight, optimized for rack integration.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model | SMK920-19 |
| Display Type | 19-inch TFT LCD |
| Resolution | 1280 × 1024 pixels (SXGA) |
| Brightness | 300 cd/m² |
| Contrast Ratio | 500:1 |
| Viewing Angle | 150° (H) / 130° (V) |
| Backlight MTBF | 30,000 hours |
| Keyboard Type | 105-key Cherry switch keyboard with integrated touchpad |
| Keyboard Layouts | US (standard), optional DE, ES, FR, IT, RU, UK |
| Interface | USB for keyboard and mouse; VGA (D-Sub 15-pin) for video |
| Power Supply | AC 110/220V auto-switching; DC 125V/250V supported |
| Construction Material | Heavy-duty steel chassis |
| Screen Protection | Tempered glass |
| Dimensions (W × H × D) | 442.4 × 44 × 500 mm |
| Weight | Approx. 12–16 kg |
| Mounting Type | 1U rackmount, single-rail sliding drawer |
| Certifications | CE, FCC; UL60950 version available |
| Manufacturer | Rayon Technology Co., Ltd. |
| Operating Temperature | Standard room temperature operation (typical for rack environments) |
| Color | Industrial black finish |
| Power Connector | Standard IEC power inlet |
| Video Connector | D-Sub 15-pin male VGA |
| USB Connector | USB Type-A for keyboard/mouse interface |

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### 4. Functionality

The SMK920-19 functions as an integrated rackmount console combining display, keyboard, and pointing device in a single 1U drawer. It connects directly to a server or KVM switch via VGA and USB interfaces, providing a local control point for system management.

Operational Workflow:
1. The drawer slides out from the rack on precision rails.
2. The self-locking mechanism secures the drawer in the open position during use.
3. The 19-inch LCD displays the connected system’s video output via the VGA interface.
4. The built-in keyboard and touchpad provide direct input through the USB interface.
5. When not in use, the drawer slides back into the rack, minimizing space usage.

Use Cases and Applications:
- Data centers and server rooms for direct server access and maintenance.
- Industrial automation systems requiring integrated human-machine interfaces (HMI).
- Network operation centers (NOCs) for monitoring and configuration.
- Laboratory and testing environments where space efficiency is critical.
- Embedded control systems and telecommunications racks.

Compatibility:
- Compatible with all major operating systems supporting USB HID (Human Interface Device) standards.
- Works with standard VGA video output from servers, PCs, and KVM switches.
- Suitable for 19-inch rack systems conforming to EIA-310-D standards.

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### 5. Components & Accessories

Included Components:
- SMK920-19 rackmount LCD keyboard drawer unit.
- Integrated 19-inch TFT LCD display.
- Built-in 105-key keyboard with touchpad.
- Power cable (AC 110/220V).
- VGA and USB connection cables.
- Mounting rails and hardware for 1U rack installation.
- User manual and installation guide.

Optional Accessories:
- K102 Cable: 6-foot 2-in-1 cable for USB PC connection, combining VGA (15 HD male) and USB connectors for simplified cabling.
- Alternate Keyboard Layouts: Optional language-specific keyboard configurations (DE, ES, FR, IT, RU, UK).
- UL60950 Certified Version: Available upon request for installations requiring specific safety compliance.
- Extended Power Options: DC 125V/250V configurations for specialized industrial or telecom applications.

Connectors:
- Video Input: D-Sub 15-pin male VGA connector.
- USB Interface: USB Type-A connectors for keyboard and mouse functions.
- Power Input: Standard IEC AC power inlet supporting auto-switching voltage.

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### 6. Installation & Setup

Rack Requirements:
- Standard 19-inch rack width compliant with EIA-310-D.
- Minimum 1U (44.45 mm) vertical space required.
- Depth clearance of approximately 500 mm for full drawer extension.

Installation Steps:
1. Mount the sliding rails into the rack using the provided hardware.
2. Insert the SMK920-19 drawer into the rails and secure it.
3. Connect the VGA cable to the server or KVM switch video output.
4. Connect the USB cable to the server’s USB port for keyboard and touchpad functionality.
5. Connect the power cable to an AC outlet or DC power source as applicable.
6. Power on the unit and adjust display settings as needed.

Configuration:
- The display automatically detects VGA input resolution up to 1280 × 1024.
- Keyboard and touchpad are plug-and-play via USB; no additional drivers required.
- Optional keyboard layout selection can be configured at the factory or via replacement modules.

Mounting Options:
- Single-rail sliding mechanism allows the entire drawer to slide out for operation.
- Self-locking feature ensures stability during use.
- Compact design allows installation above or below other rack-mounted equipment.

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### 7. Performance & Capabilities

Display Performance:
- The 19-inch TFT LCD provides crisp, high-resolution output suitable for text-based server consoles and graphical interfaces.
- 300 cd/m² brightness ensures visibility in dimly lit server rooms.
- 500:1 contrast ratio delivers clear differentiation between light and dark areas.
- Wide viewing angles (150° H / 130° V) allow multiple users to view the screen simultaneously.

Input Performance:
- Cherry switch keyboard ensures tactile feedback and long key life.
- Integrated touchpad provides precise cursor control without requiring an external mouse.
- USB interface ensures low-latency input response.

Power Efficiency:
- Auto-switching power supply optimizes energy use across varying input voltages.
- Low power consumption typical of TFT LCD technology.

Mechanical Performance:
- Heavy-duty steel chassis provides rigidity and vibration resistance.
- Smooth rail operation supports frequent drawer access.
- Self-locking mechanism enhances operational safety.

Limitations:
- Single-user access (not a multi-user KVM switch).
- VGA-only video input (no DVI/HDMI support).
- Fixed 1280 × 1024 resolution (non-scalable beyond SXGA).
- Designed for indoor, controlled environments (not weatherproof).

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### 8. Standards & Compliance

Certifications:
- CE (Conformité Européenne): Ensures compliance with European safety, health, and environmental protection standards.
- FCC (Federal Communications Commission): Meets U.S. electromagnetic interference (EMI) and radio frequency (RF) emission standards.
- UL60950 (Optional): Safety standard for information technology equipment, available upon request.

Industry Standards:
- EIA-310-D: Rackmount dimension standard ensuring compatibility with 19-inch rack systems.
- USB HID Compliance: Conforms to USB Human Interface Device specifications for plug-and-play operation.
- VGA Signal Standard: Compatible with analog RGB video signals via D-Sub 15-pin connector.

Environmental and Safety Compliance:
- Designed for safe operation in data center environments.
- Tempered glass protection enhances durability and user safety.
- Heavy-duty steel construction meets industrial-grade mechanical standards.

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### 9. Additional Information

Warranty:
Standard manufacturer warranty (typically one year, extendable upon request) covering defects in materials and workmanship.

Technical Support:
Rayon Technology provides technical assistance via email and phone. Product documentation and installation guides are available through the manufacturer’s website.

Maintenance:
- Periodic cleaning of the LCD screen with non-abrasive materials recommended.
- Regular inspection of rail mechanisms and connectors to ensure smooth operation.
- Keyboard and touchpad require minimal maintenance; avoid exposure to dust and liquids.

Software & Firmware Updates:
No firmware updates required for standard operation; plug-and-play functionality ensures compatibility with most systems.

Serviceability:
Modular design allows replacement of LCD, keyboard, or touchpad components if necessary.
Factory service and spare parts available through authorized Rayon Technology distributors.

Product Lifecycle:
Designed for long-term deployment in enterprise and industrial environments, with durable materials and components ensuring extended operational life.

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### Summary

The Rayon Technology SMK920-19 Rackmount 1U 19" LCD Keyboard USB Drawer is a robust, space-efficient console solution engineered for professional IT and industrial applications. Combining a high-quality 19-inch TFT LCD display, a full-size Cherry switch keyboard, and an integrated touchpad within a single 1U rackmount chassis, it delivers reliable performance and ergonomic operation. With its heavy-duty steel construction, tempered glass protection, and self-locking rail system, the SMK920-19 is built for durability and ease of use in demanding environments such as data centers, network operations, and industrial control systems. Its compliance with CE, FCC, and optional UL60950 standards ensures safety and reliability, while its plug-and-play USB and VGA interfaces guarantee broad compatibility across platforms.

This model exemplifies Rayon Technology’s commitment to quality, precision engineering, and user-focused design in rackmount console solutions.