LGB408A-R2 - Network switch Black Box - Free user manual and instructions
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| Product Type | Network Switch |
| Brand | Black Box |
| Model | LGB408A-R2 |
| Ports | 8 x 10/100/1000 Mbps Gigabit Ethernet |
| Switching Capacity | 16 Gbps |
| MAC Address Table Size | 8K entries |
| Jumbo Frame Support | Up to 9K bytes |
| Form Factor | Desktop or Rack-mountable |
| Rack Height | 1U |
| Dimensions (W x D x H) | 20 x 12 x 4.4 cm (7.87 x 4.72 x 1.73 in) |
| Weight | 0.6 kg (1.32 lbs) |
| Power Supply | External AC adapter, 5V DC, 1A |
| Power Consumption | 4.5W (max) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| LED Indicators | Power, Link/Activity per port |
| Management | Unmanaged (plug-and-play) |
| Standards Compliance | IEEE 802.3, 802.3u, 802.3ab, 802.3x |
| Housing Material | Metal |
| Cooling | Fanless (passive) |
| Safety Certifications | CE, FCC |
Frequently Asked Questions - LGB408A-R2 Black Box
How do I set up the Black Box LGB408A-R2 switch?
Simply connect the power adapter, then connect your devices using Ethernet cables to any of the 8 Gigabit ports. No configuration is needed for unmanaged switches.
Does the LGB408A-R2 support Power over Ethernet (PoE)?
No, this model is a standard Gigabit switch and does not support PoE. You will need separate power for connected devices.
Can I mount this switch on a rack?
Yes, the LGB408A-R2 is 1U rack-mountable. However, rack-mount brackets are sold separately.
What is the maximum cable length supported?
The switch supports standard Ethernet cable lengths up to 100 meters (328 feet) per port.
How do I troubleshoot if a port is not working?
Check the LED indicators: a solid green light means link is established, blinking indicates activity. Ensure cables are securely connected and try a different port or cable.
Is this switch compatible with 100Mbps devices?
Yes, it auto-negotiates speeds between 10, 100, and 1000 Mbps, so it works with older devices.
What is the switching capacity of the LGB408A-R2?
The switching capacity is 16 Gbps, allowing for non-blocking performance across all ports.
Does the switch come with a power adapter?
Yes, an external AC power adapter is included in the package.
How do I clean the switch?
Unplug the power, then use a dry, soft cloth to wipe the exterior. Avoid using liquids or sprays.
What is the warranty period for this device?
Black Box typically offers a 2-year limited warranty. Check the manual or contact support for details.
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USER MANUAL LGB408A-R2 Black Box
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Product information
Brand : Black Box
Model : LGB408A-R2
Category : Network switch