1. Product Overview

Product Name: Rackmount 1U 16-Port KVM Keyboard Drawer with 19" TFT LCD
Model Number: SMK990-19
Series: SMK990 Series (Available in 17" and 19" LCD variants)
Article Number: SMK990-19
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact:
- 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)

The SMK990-19 is a professional-grade rackmount 1U KVM (Keyboard, Video, Mouse) drawer integrating a 19-inch TFT LCD display, a 105-key keyboard with integrated touchpad, and a 16-port combo USB & PS/2 KVM switch. Designed for data centers, server rooms, and IT management environments, it provides centralized control of up to 16 computers or servers from a single console, with the ability to daisy-chain up to eight levels for managing as many as 128 systems.

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2. Key Features

- Integrated 1U Rackmount Design: Combines a 19" TFT LCD monitor, keyboard, and touchpad into a single 1U-high sliding drawer for space-efficient rack integration.
- 16-Port Combo KVM Switch: Supports both USB and PS/2 interfaces, allowing flexible connection to a wide range of servers and computers.
- Daisy Chain Capability: Expandable up to 8 levels, enabling control of up to 128 connected systems through a single console.
- High-Resolution Display: 19-inch TFT LCD with 1280 × 1024 resolution, 300 cd/m² brightness, 500:1 contrast ratio, and wide 150° (H) / 130° (V) viewing angles.
- Durable Construction: Heavy-duty steel chassis with tempered glass protection for the LCD screen ensures long-term durability in demanding environments.
- User-Friendly Operation: Supports front-panel push buttons, keyboard hotkeys, and on-screen display (OSD) for intuitive system selection and management.
- Security Features: Two-layer password protection and server name search functionality enhance system security and ease of management.
- Self-Locking Rail Mechanism: Built-in rail self-locking device ensures safe and stable drawer positioning during operation or maintenance.
- Multi-Language Keyboard Options: Standard US layout with optional DE (German), ES (Spanish), FR (French), IT (Italian), RU (Russian), and UK (United Kingdom) layouts.
- Optional Remote Console Support: Can be configured with an additional remote console via CAT5 or IP connection for off-site management.
- No Software Required: Plug-and-play operation without the need for additional drivers or software installation.
- UL60950 Version Available: Optional version compliant with UL60950 safety standards for specific regulatory environments.

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3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model | SMK990-19 |
| Form Factor | 1U Rackmount, Single Rail |
| Display Type | 19" TFT LCD |
| Display Resolution | 1280 × 1024 pixels (SXGA) |
| Brightness | 300 cd/m² |
| Contrast Ratio | 500:1 |
| Viewing Angle | 150° (Horizontal) / 130° (Vertical) |
| Backlight MTBF | 30,000 hours |
| Keyboard | 105-key Cherry switch keyboard with integrated touchpad |
| Keyboard Layouts | US (standard), optional DE, ES, FR, IT, RU, UK |
| KVM Switch Type | 16-Port Combo (USB & PS/2) |
| Daisy Chain Capability | Up to 8 levels (maximum 128 PCs) |
| Console Ports | 1 local console (standard), 1 optional remote console (CAT5/IP) |
| Video Interface | VGA (HDB15 connector) |
| Mouse Interface | USB or PS/2 (combo support) |
| Power Supply | AC 110/220V Auto Switch, 125VDC/250VDC |
| Power Consumption | Approx. 30–40W (typical) |
| Construction Material | Heavy-duty steel |
| Screen Protection | Tempered glass |
| Dimensions (W × H × D) | 442.4 × 44 × 600 mm |
| Weight | Approx. 14 kg |
| Color | Black (industrial finish) |
| Operating Temperature | 0°C to 50°C (typical) |
| Storage Temperature | -20°C to 60°C |
| Humidity | 10%–90% non-condensing |
| Certifications | CE, FCC (UL60950 optional) |

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4. Functionality

The SMK990-19 functions as an integrated KVM console drawer, allowing administrators to manage multiple servers directly from a rack-mounted interface. The unit slides out from the rack on a single-rail mechanism, revealing the LCD display, keyboard, and touchpad.

Operation:
- The user can switch between connected systems using front-panel push buttons, keyboard hotkeys, or the on-screen display (OSD) menu.
- The combo KVM switch supports both USB and PS/2 connections, making it compatible with a wide range of legacy and modern systems.
- The daisy-chain feature allows multiple KVM units to be linked, enabling centralized control of up to 128 computers.
- The optional remote console (via CAT5 or IP) extends management capabilities to remote locations, ideal for distributed IT environments.

Applications:
- Data centers and server farms
- Network operation centers (NOCs)
- Industrial control systems
- Enterprise IT infrastructure
- Test and development labs
- Telecommunications and broadcasting facilities

Compatibility:
- Compatible with major operating systems including Windows, Linux, UNIX, and macOS (via standard USB/PS/2 interfaces).
- Works with standard VGA video output and USB/PS2 keyboard/mouse interfaces.

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5. Components & Accessories

Included Components:
- SMK990-19 main unit (1U rackmount KVM drawer with 19" LCD)
- Integrated 105-key keyboard with touchpad
- Power cable (AC 110/220V auto-switching)
- Mounting brackets for standard 19" rack installation
- User manual and quick installation guide

Optional Accessories:
- K102 Cable: 6-foot 2-in-1 cable for USB PC connection (integrated VGA + USB connectors).
- K103 Cable: 6-foot HDB15 connector to PS/2 PC cable (for PS/2 keyboard and mouse).
- Remote Console Module: Optional CAT5 or IP-based remote access unit.
- Daisy Chain Expansion Box: Compatible with CKVM108/116 BOX for extended system connectivity.

Connectors:
- VGA (HDB15) for video input
- USB and PS/2 combo ports for keyboard/mouse input
- Power input (AC 110/220V auto-switching)

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6. Installation & Setup

Rack Installation:
- Designed for standard 19-inch rack systems.
- Occupies 1U of rack height (44 mm).
- Single-rail sliding mechanism allows the drawer to be pulled out for operation and pushed back for storage.
- Built-in self-locking rail device ensures stability and prevents accidental movement.

Setup Procedure:
1. Mount the SMK990-19 into the desired rack position using the included brackets.
2. Connect the power cable to an AC outlet (110/220V auto-switching).
3. Connect the VGA and USB/PS2 cables from each server to the corresponding KVM ports.
4. Power on the unit and connected systems.
5. Use the front-panel buttons, hotkeys, or OSD to select and control connected computers.
6. For daisy-chained configurations, connect additional KVM units using the designated daisy-chain ports and cables.

Configuration:
- OSD menu allows naming of connected servers, password setup, and system configuration.
- Supports two-level password protection for secure access.
- No software installation required; plug-and-play operation.

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7. Performance & Capabilities

Display Performance:
- The 19" TFT LCD provides crisp, high-resolution output at 1280 × 1024 pixels, suitable for detailed server management tasks.
- Brightness of 300 cd/m² and contrast ratio of 500:1 ensure clear visibility even in low-light environments.
- Wide viewing angles (150° horizontal, 130° vertical) allow comfortable operation from various positions.

Switching Performance:
- Instant switching between connected systems via OSD, hotkeys, or front-panel buttons.
- Supports daisy-chaining up to 8 levels, maintaining stable signal integrity across all connected units.
- Minimal latency and no perceptible delay during switching operations.

Keyboard & Touchpad:
- 105-key Cherry switch keyboard provides tactile feedback and long service life.
- Integrated touchpad offers precise cursor control without requiring an external mouse.
- Optional international keyboard layouts accommodate global deployment.

Electrical & Mechanical Performance:
- Auto-switching power supply supports global voltage ranges (110/220V AC, 125/250V DC).
- Heavy-duty steel construction ensures mechanical rigidity and vibration resistance.
- Tempered glass screen protection enhances durability against scratches and impacts.

Limitations:
- Local console operation is standard; remote console requires optional module.
- Maximum daisy-chain capacity limited to 8 levels (128 systems).
- Designed for VGA video; does not support digital video interfaces (DVI/HDMI).

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8. Standards & Compliance

- CE Certified: Conforms to European safety, health, and environmental protection standards.
- FCC Certified: Meets U.S. Federal Communications Commission requirements for electromagnetic interference (EMI).
- UL60950 (Optional): Available version compliant with UL60950 safety standard for information technology equipment.
- RoHS Compliance: Manufactured using environmentally responsible materials (lead-free, compliant with RoHS directives).
- Industry Standards:
- Compatible with EIA RS-310C rackmount standards.
- VGA video interface compliant with VESA standards.
- USB and PS/2 interfaces conform to respective industry specifications.

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9. Additional Information

Warranty:
- Standard manufacturer warranty (typically 1–2 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.

Support:
- Technical support available via email and phone through Rayon Technology Co., Ltd.
- Online resources, manuals, and firmware updates accessible through the manufacturer’s website.

Maintenance:
- Periodic cleaning of the LCD screen with non-abrasive materials recommended.
- Ensure adequate ventilation in rack environments to maintain optimal operating temperature.
- Inspect cables and connectors periodically for wear or damage.

Firmware & Updates:
- Firmware updates available for KVM switch functionality and OSD enhancements.
- Updates can be applied via manufacturer’s support channels.

Serviceability:
- Modular design allows replacement of LCD, keyboard, or KVM components if required.
- Compatible with standard rackmount accessories and cable management systems.

Environmental Considerations:
- Designed for continuous operation in controlled environments such as data centers.
- Low power consumption and long backlight life (30,000 hours MTBF) contribute to reduced maintenance and operational costs.

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### Summary

The Rayon SMK990-19 Rackmount 1U 16-Port KVM Keyboard Drawer is a robust, space-efficient solution for centralized server management. Combining a high-quality 19" TFT LCD display, a full-featured keyboard with touchpad, and a 16-port combo KVM switch, it enables administrators to control multiple systems from a single console. Its daisy-chain capability, durable steel construction, and intuitive OSD interface make it ideal for enterprise data centers, industrial control rooms, and IT infrastructure environments requiring reliability, scalability, and ease of use.

With CE and FCC certifications, optional UL60950 compliance, and compatibility with both USB and PS/2 interfaces, the SMK990-19 delivers professional-grade performance and flexibility. Its modular design, optional remote console support, and multilingual keyboard options further enhance its adaptability for global deployment.

In summary, the SMK990-19 represents a comprehensive, high-performance KVM management solution engineered for demanding IT environments where space efficiency, reliability, and operational control are paramount.