Comprehensive Product Summary – CKVM108 Industrial Grade Combo KVM Switch

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### 1. Product Overview

Product Name: CKVM108 Combo KVM Switch
Model Number: CKVM108
Series: CKVM Industrial Combo KVM Series (also available as CKVM116 for 16-port configuration)
Article Number: CKVM108
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact Information:
- Telephone: +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 Rayon CKVM108 is an 8-port industrial-grade combo KVM (Keyboard, Video, Mouse) switch designed for professional server management environments. It supports both PS/2 and USB interfaces, allowing flexible connectivity across a wide range of servers and computing devices. Built with military-grade industrial standards, the CKVM108 provides robust performance, high reliability, and long-term durability for data centers, industrial control rooms, and enterprise IT infrastructures.

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### 2. Key Features

- 8-Port Combo KVM Switch: Supports up to eight servers or computers through a single console (keyboard, monitor, and mouse).
- Dual Interface Compatibility: Compatible with both PS/2 and USB server connections using dedicated cables (K103 for PS/2, K102 for USB).
- Integrated OSD (On-Screen Display): Built-in OSD interface for intuitive server selection, configuration, and management.
- High Video Bandwidth: Provides superior video quality with up to 200 MHz bandwidth, ensuring clear and stable VGA output.
- Daisy Chain Expansion: Supports cascading up to 128 servers using K301 daisy chain cables, enabling scalable system expansion without occupying additional server ports.
- Industrial-Grade Construction: Manufactured to military industrial-grade standards for enhanced durability and reliability in demanding environments.
- Password Protection: Built-in security feature allows password protection and server naming for controlled access.
- Hot-Pluggable Design: Enables adding or removing servers without system downtime or rebooting.
- Multiple Control Methods: Server selection via front-panel push buttons, keyboard hotkeys, or OSD menu.
- Auto Scan Mode: Configurable auto-scan interval (5–99 seconds) for continuous monitoring of connected servers.
- LED Status Indicators: Front-panel LED display provides real-time port and connection status.
- Audible Feedback: Integrated buzzer confirms server switching operations.
- Keyboard State Retention: Automatically restores keyboard status when switching between servers.
- No Software Required: Hardware-based switching eliminates the need for additional software installation.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model | CKVM108 |
| Type | 8-Port Combo KVM Switch |
| Supported Interfaces | PS/2 and USB |
| Video Connector | VGA HD-15 Female |
| Video Bandwidth | 200 MHz |
| Maximum Resolution | Up to 1920 × 1440 (typical for 200 MHz bandwidth) |
| Daisy Chain Capability | Up to 128 servers (via K301 cable) |
| Auto Scan Interval | Adjustable from 5 to 99 seconds |
| Power Supply | External 12V DC, 1A adapter |
| Dimensions (W × D × H) | 410 × 165 × 45 mm |
| Weight | Approx. 1.5–2.0 kg (typical for 8-port metal chassis) |
| Material | Industrial-grade metal enclosure |
| Operating Temperature | 0°C to 50°C (typical) |
| Storage Temperature | -20°C to 60°C (typical) |
| Humidity | 0–80% RH, non-condensing |
| Color | Industrial black or metallic gray finish |
| Manufacturer | Rayon Technology Co., Ltd. |

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### 4. Functionality

The CKVM108 functions as a centralized control unit that allows a single user console—comprising a monitor, keyboard, and mouse—to manage up to eight connected servers or computers. Each server connects to the KVM switch via either a PS/2 or USB interface, depending on the system’s configuration.

Operation Modes:
- Manual Switching: Users can select active servers using front-panel push buttons.
- Hotkey Switching: Keyboard shortcuts enable rapid switching between connected systems.
- OSD Menu Navigation: The integrated On-Screen Display provides a graphical interface for selecting servers, configuring settings, and managing security options.

Use Cases and Applications:
- Data Centers: Centralized management of multiple rack-mounted servers.
- Industrial Automation: Control of multiple industrial PCs or embedded systems in manufacturing environments.
- Network Operations Centers (NOCs): Efficient monitoring and control of network servers.
- Testing and Development Labs: Simplified access to multiple test systems from a single console.
- Enterprise IT Infrastructure: Streamlined server maintenance and troubleshooting.

Compatibility:
- Compatible with all major operating systems (Windows, Linux, UNIX, macOS) that support standard PS/2 or USB input devices.
- Works with standard VGA monitors and supports analog video output.
- Fully compatible with Rayon’s K-series cables (K102, K103, K301).

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### 5. Components & Accessories

Included Items:
- 1 × CKVM108 8-Port Combo KVM Switch
- 1 × 12V DC, 1A External Power Adapter
- 1 × User Manual or Quick Installation Guide
- 1 × Rack Mounting Kit (optional, depending on package)

Required/Optional Cables:
- K102 Cable: USB-type KVM connection cable for USB servers.
- K103 Cable: PS/2-type KVM connection cable for PS/2 servers.
- K301 Cable: Daisy chain cable for connecting multiple KVM units (up to 128 servers).

Connectors:
- Console Ports: 1 × VGA HD-15 Female, 2 × PS/2 (Keyboard/Mouse) or USB Type-A ports.
- Server Ports: 8 × Combo KVM ports (supporting PS/2 or USB via appropriate cable).
- Daisy Chain Port: 1 × HD-15 Female for cascading additional KVM units.
- Power Connector: DC barrel jack for 12V input.

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### 6. Installation & Setup

Requirements:
- Standard VGA monitor, PS/2 or USB keyboard and mouse.
- Appropriate KVM cables (K102 or K103) for each connected server.
- 12V DC power source (included adapter).

Mounting Options:
- Desktop Installation: The compact 410 × 165 × 45 mm chassis allows placement on a desktop or control console.
- Rack Mounting: Optional rack-mount brackets enable installation in standard 19-inch server racks.

Setup Procedure:
1. Power Off Servers: Before connecting, ensure all servers are powered down.
2. Connect Console Devices: Attach the monitor, keyboard, and mouse to the console ports on the CKVM108.
3. Connect Servers: Use K102 (USB) or K103 (PS/2) cables to connect each server to the corresponding KVM port.
4. Power On the KVM Switch: Connect the 12V DC adapter and power on the unit.
5. Power On Servers: Turn on all connected servers.
6. Configure via OSD: Use the OSD menu to assign server names, set passwords, and configure scan intervals.

Configuration Options:
- Server Naming: Assign unique identifiers for each connected system.
- Password Protection: Enable access control for secure operation.
- Auto Scan Interval: Adjust scanning time between 5 and 99 seconds.
- Hotkey Customization: Define preferred key combinations for switching.

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### 7. Performance & Capabilities

Switching Performance:
- Instantaneous switching between servers with minimal latency.
- Hot-pluggable design ensures uninterrupted operation during server maintenance.
- Audible buzzer feedback confirms successful switching actions.

Video Performance:
- 200 MHz video bandwidth supports high-resolution VGA output up to 1920 × 1440 pixels.
- Stable signal transmission ensures flicker-free display even over extended cable lengths.

Capacity & Scalability:
- Supports up to 8 servers directly.
- Expandable to 128 servers through daisy chaining multiple CKVM units using K301 cables.

Efficiency:
- Reduces hardware clutter by consolidating multiple server controls into a single console.
- Simplifies system management and reduces operational costs.

Limitations:
- Analog VGA interface only (no DVI/HDMI support).
- Single-user console (no multi-user simultaneous access).
- Requires proprietary cables (K102/K103/K301) for optimal performance.

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### 8. Standards & Compliance

Certifications and Compliance:
- Electrical Safety: Complies with CE and FCC Class A standards for electromagnetic compatibility (typical for industrial KVM devices).
- RoHS Compliance: Manufactured in accordance with Restriction of Hazardous Substances directives.
- Industrial Grade Manufacturing: Built to military industrial-grade production standards for enhanced durability and reliability.
- Quality Assurance: Each unit undergoes rigorous testing for signal integrity, switching reliability, and environmental endurance.

Industry Standards Supported:
- VGA (Video Graphics Array) analog video standard.
- PS/2 and USB Human Interface Device (HID) protocols.
- Daisy chain architecture compatible with standard KVM cascading topologies.

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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.

Technical Support:
- Provided by Rayon Technology Co., Ltd. via email and telephone.
- Online resources available through official websites for product documentation and firmware updates.

Maintenance:
- Periodic cleaning of connectors and ventilation openings recommended.
- Ensure stable power supply and avoid exposure to excessive humidity or dust.
- Firmware updates (if applicable) can be applied via OSD or service interface.

Product Lifecycle & Updates:
- Designed for long-term industrial deployment with extended product availability.
- Backward compatibility with previous Rayon KVM models ensures seamless integration into existing infrastructures.

Environmental Considerations:
- Energy-efficient design with low power consumption (12V, 1A).
- Compliant with environmental safety standards for industrial electronics.

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### Summary

The Rayon CKVM108 is a robust, industrial-grade 8-port combo KVM switch engineered for professional server management environments requiring high reliability, flexible connectivity, and scalable expansion. Supporting both PS/2 and USB interfaces, it enables seamless control of multiple servers through a single console. With its integrated OSD, 200 MHz video bandwidth, daisy chain capability for up to 128 servers, and industrial-grade construction, the CKVM108 delivers exceptional performance and durability.

Ideal for data centers, industrial automation systems, and enterprise IT infrastructures, this KVM switch combines ease of use, security, and scalability in a compact, efficient design. Its hardware-based switching, password protection, and hot-pluggable architecture make it a dependable solution for mission-critical applications where uptime and reliability are paramount.

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Manufacturer: Rayon Technology Co., Ltd.
Model: CKVM108
Type: 8-Port PS/2 & USB Industrial Combo KVM Switch
Dimensions: 410 × 165 × 45 mm
Power: 12V DC, 1A
Video Bandwidth: 200 MHz
Expansion: Daisy chain up to 128 servers
Interfaces: PS/2, USB, VGA
Country of Origin: Taiwan