1. Úvod
The Raritan Dominion KX III DKX3-808 is an 8-port, 8-user KVM-over-IP switch designed to provide secure, remote access and control of servers and other IT devices. This device supports DVI local console access and offers virtual media capabilities, along with dual power for enhanced reliability. This manual provides essential information for the proper installation, operation, and maintenance of your KVM switch.

Obrázek 1: Přední strana view of the Raritan Dominion KX III DKX3-808 KVM-over-IP Switch. This image shows the general appearance of the device, typically featuring status indicators and branding.
2. Bezpečnostní informace
Please read and understand all safety instructions before installing or operating the device. Failure to follow these instructions may result in electric shock, fire, or damage to the equipment.
- Zajistěte napájení objtage matches the rating specified on the device label.
- Připojte zařízení k uzemněné elektrické zásuvce.
- Neotevírejte zařízení casing. Veškerý servis svěřte kvalifikovanému personálu.
- Keep the device away from water, moisture, and excessive heat.
- Zajistěte dostatečné větrání kolem zařízení, aby se zabránilo přehřátí.
3. Obsah balení
Ověřte, zda jsou v balení přítomny všechny položky:
- Raritan Dominion KX III DKX3-808 KVM-over-IP Switch
- Rackmount kit
- Power cords (x2)
- Documentation (Quick Setup Guide, Safety Information)
- KVM cables (may be sold separately depending on configuration)
4. Physical Description: Rear Panel Overview
The rear panel of the DKX3-808 provides all necessary connections for power, network, local console, and target servers. Understanding these ports is crucial for proper setup.
Figure 2: Rear panel layout of the Raritan Dominion KX III DKX3-808 KVM-over-IP Switch. This diagram illustrates the various ports and connectors on the back of the device.
- Power Inputs (1 & 2): Dual AC power inlets for redundant power supply. Each input has an associated power switch.
- Chladicí ventilátory: Integrované ventilátory pro regulaci teploty.
- Resetovací tlačítko: Slouží k resetování zařízení.
- LAN Ports (LAN 1 & LAN 2): Two Ethernet ports for network connectivity, supporting redundant network paths.
- Local User Ports:
- USB porty: For connecting a local keyboard and mouse.
- Port DVI-D: For connecting a local DVI monitor.
- Port modemu: For out-of-band access via a modem.
- Tier Port: Used for cascading multiple KVM switches.
- KVM Ports (1-8): RJ-45 ports for connecting to target servers using KVM cables. These ports are numbered 1 through 8.
5. Nastavení
5.1. Montáž do racku
The DKX3-808 is designed for standard 19-inch rack mounting. Use the included rackmount kit to secure the device in your server rack. Ensure sufficient space for airflow and cable management.
5.2. Připojení napájení
- Connect the provided power cords to the dual power inputs (1 and 2) on the rear panel.
- Plug the other ends of the power cords into separate, grounded AC power outlets or uninterruptible power supplies (UPS) for redundancy.
- Flip the power switches above each power input to the 'ON' position.
5.3. Síťové připojení
- Connect Ethernet cables from your network switch(es) to the LAN 1 and LAN 2 ports on the rear panel. Using both ports provides network redundancy.
- Ensure your network is configured to provide IP addresses to the KVM switch (DHCP or static IP).
5.4. Připojení k lokální konzoli (volitelné)
To use a local console:
- Connect a DVI monitor to the DVI-D port.
- Connect a USB keyboard and USB mouse to the USB ports labeled 'LOCAL USER'.
5.5. Connecting to Target Servers
Connect your servers to the KVM ports (1-8) using appropriate KVM cables (e.g., DVI/VGA/HDMI to RJ-45 KVM dongles, depending on server video output).
- Connect one end of the KVM cable to a KVM port (1-8) on the DKX3-808.
- Connect the other end of the KVM cable to the corresponding video, USB keyboard/mouse, and optional audio ports on your target server.
6. Návod k obsluze
6.1. Počáteční přístup
After powering on, the device will boot up. You can access the KVM switch via:
- Lokální konzole: If connected, the local monitor will display the KVM switch's console interface.
- Vzdálený přístup k IP adrese: Otevřete a web browser and enter the IP address of the KVM switch (default or DHCP assigned). Log in with the default credentials (refer to the Quick Setup Guide for initial login details).
6.2. Přepínání mezi servery
From the KVM switch interface (local or remote), you can select the desired server to control. The method for switching typically involves a graphical user interface (GUI) or hotkey commands.
- GUI Selection: Use the on-screen display (OSD) or web interface to navigate and select the server port.
- Příkazy klávesových zkratek: Specific keyboard combinations (e.g., Scroll Lock + Scroll Lock) can be used to activate the OSD or switch directly between ports. Consult the full user manual for specific hotkey sequences.
6.3. Virtuální média
The Dominion KX III supports virtual media, allowing you to map a local CD/DVD drive or ISO image to a remote server. This is useful for software installation, patching, or system recovery.
- Access the virtual media feature through the remote KVM session interface.
- Select the local drive or ISO file to be mapped.
- The remote server will detect the mapped media as if it were locally connected.
7. Údržba
7.1. Čištění
To maintain optimal performance, periodically clean the exterior of the device with a soft, dry cloth. Do not use liquid cleaners or aerosols directly on the unit.
7.2. Aktualizace firmwaru
Raritan periodically releases firmware updates to improve performance, add features, or address security vulnerabilities. Check the official Raritan support website for the latest firmware for your DKX3-808 model and follow the provided instructions for updating.
7.3. Ohledy na životní prostředí
Ensure the operating environment is within the specified temperature and humidity ranges. Maintain clear airflow around the device to prevent overheating.
8. Řešení problémů
8.1. Bez napájení
- Verify both power cords are securely connected to the device and to live power outlets.
- Ensure the power switches on the rear panel are in the 'ON' position.
- Zkontrolujte zásuvky jiným zařízením, abyste se ujistili, že jsou funkční.
8.2. No Video on Local Console or Remote Session
- Lokální konzole: Check DVI cable connection to the monitor and the KVM switch. Ensure the monitor is powered on and set to the correct input.
- Remote Session: Verify network connectivity to the KVM switch. Ensure the target server is powered on and its video output is functional. Check KVM cable connections to the server.
8.3. Klávesnice/myš nereaguje
- Lokální konzole: Ensure USB keyboard and mouse are connected to the 'LOCAL USER' USB ports. Try different USB ports.
- Remote Session: Verify the KVM cable connection to the target server's USB ports. Ensure the remote viewer application has focus.
8.4. Problémy s připojením k síti
- Check Ethernet cable connections to LAN 1 and LAN 2 ports and to the network switch.
- Verify network settings (IP address, subnet mask, gateway) are correct.
- Ping the KVM switch's IP address from a connected computer.
8.5. Resetování zařízení
If the device is unresponsive, a soft reset can be performed by pressing the 'RESET' button on the rear panel. For a factory reset, consult the full user manual or Raritan support documentation.
9. Specifikace
| Funkce | Specifikace |
|---|---|
| Číslo modelu | DKX3-808 |
| Značka | Raritan |
| Number of KVM Ports | 8 |
| Number of Remote Users | 8 |
| Local Console Connector Type | DVI |
| Provozní režim | Automatický |
| Kontrolní metoda | Vzdálený |
| Kompatibilní zařízení | Computers with DVI input and remote control capabilities |
| Rozměry položky (DxŠxV) | 21.61 x 17.64 x 5.04 palce |
| Hmotnost položky | 14.64 libry |
| Materiál | Hliník |
| Barva | Černý |
10. Záruka a podpora
For detailed warranty information, please refer to the warranty card included with your product or visit the official Raritan website. For technical support, product registration, or to download the latest drivers and firmware, please visit the Raritan support portal.
Raritan Webmísto: www.raritan.com





