BUFFALO Giga Switching Hub 24-Port LSW3-GT-24NSR User Manual

1. Úvod

The BUFFALO Giga Switching Hub LSW3-GT-24NSR is a 24-port Gigabit Ethernet switch designed for high-speed network environments. It is ideal for small to medium-sized offices and workplaces requiring robust and reliable network connectivity. This device supports full Gigabit speeds across all ports, ensuring efficient data transfer.

Key features include a fanless design for silent operation and enhanced reliability, as well as a loop detection function to prevent network disruptions caused by accidental network loops.

2. Bezpečnostné informácie

Please read and understand the following safety precautions before using the device to prevent injury or damage.

• Napájanie: Používajte iba dodaný napájací adaptér. Uistite sa, že elektrická zásuvka spĺňa stanovené napätie.tage požiadavky.
• Vetranie: Neblokujte vetracie otvory. Zabezpečte dostatočné prúdenie vzduchu okolo zariadenia, aby ste predišli prehriatiu.
• Prostredie: Avoid exposing the device to water, high humidity, extreme temperatures, or direct sunlight.
• Manipulácia: Do not drop or subject the device to strong impacts. Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
• káble: Ensure all network cables are properly connected and secured.

3. Obsah balenia

Overte, či sú v balení všetky položky:

• BUFFALO Giga Switching Hub LSW3-GT-24NSR Unit
• Napájací kábel
• Rack Mount Brackets (if included with your model)
• Gumové nožičky (pre umiestnenie na stole)

4. Nastavenie

4.1 Fyzická inštalácia

The LSW3-GT-24NSR can be installed on a desktop or mounted in a 19-inch equipment rack.

Umiestnenie na pracovnej ploche:

1. Attach the included rubber feet to the bottom of the unit to prevent slipping and provide stability.
2. Place the unit on a flat, stable surface with adequate ventilation.

Montáž do racku:

1. Attach the rack mount brackets to the sides of the unit using the provided screws.
2. Secure the unit into a standard 19-inch equipment rack using appropriate rack screws (not included).

4.2 Pripojenie sieťových káblov

Connect your network devices (computers, servers, other switches) to any of the 24 RJ-45 ports on the front panel using standard Ethernet cables (Category 5e or higher recommended for Gigabit speeds).

Obrázok 1: Predný panelview with 24 Ethernet Ports and Status LEDs.

4.3 Pripojenie napájania

1. Connect the power cable to the AC IN port on the rear of the device.
2. Zapojte druhý koniec napájacieho kábla do vhodnej elektrickej zásuvky.
3. The device will power on automatically. The POWER LED on the front panel should illuminate.

Obrázok 2: Zadný panel nadview with AC IN Power Port.

5. Návod na obsluhu

5.1 LED indikátory

The front panel features several LED indicators to monitor the status of the switch and its ports.

Obrázok 3: Detailný view of LED Indicators and Loop Detection Switch.

5.2 Loop Detection Function

The LSW3-GT-24NSR features a hardware switch for enabling or disabling the loop detection function. This function helps prevent network instability caused by accidental network loops.

Figure 4: Loop Detection Switch (ON/OFF).

• ZAPNUTÉ: Loop detection is active. If a loop is detected, the corresponding port will be automatically shut down to prevent network broadcast storms, and the LOOP DETECT LED will illuminate.
• VYPNUTÉ: Loop detection is disabled.

It is recommended to keep the loop detection function ON for network stability.

6. Údržba

6.1 Čistenie zariadenia

Pre udržanie optimálneho výkonu pravidelne čistite vonkajšiu stranu prepínača.

• Pred čistením odpojte napájací kábel.
• Na utretie povrchu použite mäkkú suchú handričku.
• Do not use liquid cleaners, aerosols, or solvents, as these may damage the casing alebo vnútorné komponenty.

6.2 Úvahy o životnom prostredí

Ensure the device is operated within its specified environmental conditions:

• teplota: 0 °C až 40 °C (32 °F až 104 °F)
• vlhkosť: 10 % až 85 % (bez kondenzácie)

7. Riešenie problémov

If you encounter issues with your BUFFALO Giga Switching Hub, refer to the following common problems and solutions.

7.1 Bez napájania

• Príznak: LED POWER nesvieti.
• Riešenie: Check if the power cable is securely connected to both the device and the power outlet. Ensure the power outlet is functional.

7.2 No Link or Slow Speed on a Port

• Príznak: The LINK/ACT LED for a connected port is off, or the 1000/100/10M LED indicates a lower speed than expected (e.g., 100M instead of 1000M).
• Riešenie:
  • Skontrolujte, či je ethernetový kábel bezpečne pripojený na oboch koncoch.
  • Try a different Ethernet cable. Ensure it is a Category 5e or higher cable for Gigabit speeds.
  • Pripojte zariadenie k inému portu na prepínači.
  • Check the network adapter settings on the connected device (computer, server) to ensure it is configured for auto-negotiation or the correct speed.

7.3 Network Instability / LOOP DETECT LED is On

• Príznak: The LOOP DETECT LED is illuminated, and network performance is degraded or unstable.
• Riešenie:
  • A network loop has been detected. This typically occurs when two ports on the same switch (or different switches) are connected to each other, creating an infinite data path.
  • Carefully inspect your network cabling to identify and remove any redundant connections that form a loop.
  • If the loop detection switch is ON, the affected port will be automatically shut down. Once the loop is resolved, the port should resume normal operation.

8. Špecifikácie

9. Záruka a podpora

This BUFFALO product is covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official BUFFALO webpodrobné záručné podmienky nájdete na stránke.

For technical support, product registration, or further assistance, please visit the official BUFFALO support webalebo kontaktujte ich oddelenie služieb zákazníkom. Kontaktné informácie sa zvyčajne nachádzajú na stránke výrobcu webmieste alebo na obale produktu.