LGB5052A - Network switch Black Box - Free user manual and instructions
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| Product Type | Managed Network Switch |
| Model | LGB5052A |
| Ports | 48 x 10/100/1000Base-T (RJ-45) + 4 x 10G SFP+ |
| Switching Capacity | 176 Gbps |
| Forwarding Rate | 130.9 Mpps |
| MAC Address Table | 16K entries |
| VLAN Support | Yes, up to 4096 VLANs |
| Layer 3 Features | Static routing, RIP, OSPF |
| Management | Web GUI, SNMP, CLI, Telnet, SSH |
| Power Supply | AC 100-240V, 50/60Hz, internal |
| Power Consumption | Max 60W |
| Dimensions (W x D x H) | 17.3 x 10.6 x 1.7 inches (440 x 270 x 44 mm) |
| Weight | 10.6 lbs (4.8 kg) |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Humidity | 10% to 90% non-condensing |
| Cooling | Internal fan, variable speed |
| Mounting | 19-inch rack mountable (brackets included) |
| Safety Compliance | UL, CE, FCC Class A |
| Warranty | Limited lifetime warranty |
| Maintenance | Keep clean and dry; use compressed air for vents |
| Repairability | Field-replaceable fan and power supply; no user serviceable parts inside |
Frequently Asked Questions - LGB5052A Black Box
What is the default IP address of the LGB5052A switch?
The default management IP address is 192.168.1.1 with subnet mask 255.255.255.0.
How do I reset the switch to factory defaults?
Press and hold the Reset button on the front panel for at least 10 seconds until the System LED blinks. The switch will reboot with factory settings.
Can I stack multiple LGB5052A switches?
This model does not support physical stacking. However, you can manage them as a virtual stack using protocols like MLAG or configure them individually.
What SFP+ modules are compatible?
The switch supports standard 10G SFP+ modules and 1G SFP. For best performance, use Black Box or third-party modules compliant with SFF-8431.
How do I enable PoE on this switch?
The LGB5052A does not provide Power over Ethernet (PoE). It is a data-only switch. Use external PoE injectors if needed.
Does it support VLAN tagging?
Yes, the switch supports 802.1Q VLAN tagging with up to 4096 VLANs. VLAN configuration is done via the web interface or CLI.
What is the maximum cable length for twisted-pair ports?
The RJ-45 ports support up to 100 meters (328 feet) on standard Cat5e/6 cabling.
How do I update the firmware?
Download the latest firmware from the Black Box support site. Log into the web interface, go to Maintenance > Firmware Upgrade, and upload the file. Do not power off during the update.
What is the operating temperature range?
The switch operates in temperatures from 32°F to 122°F (0°C to 50°C). Ensure adequate ventilation.
Does it support SNMP monitoring?
Yes, the switch supports SNMP v1/v2c/v3. You can configure trap receivers and community strings in the Management > SNMP menu.
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USER MANUAL LGB5052A Black Box
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Product information
Brand : Black Box
Model : LGB5052A
Category : Network switch