Black Box LGB5028A-R3 network switch Managed Gigabit Ethernet (10/100/1000) Desktop

24 x 10/100/1000-Mbps Copper RJ45, 4 x 100/1000-Mbps SFP+, 1 x DB9 Console, 44 x 442 x 211 mm

Key Features

• Full SNMP management plus Web-based management and console port
• Support for VLAN and QoS
• Supports IEEE 802.1x port-based network access control
• 802.3az Energy-Efficient Ethernet saves on power costs
• Overview
• Tech Specs
• Warranty
• Accessori

Description

This high-performance switch uses LACP and IEEE 1588v2 to optimize network operations.

LACP is used in high-availability and performance environments, such as data centers or enterprise networks, to aggregate links between switches, servers, or routers. It simplifies management by treating multiple links as one, and improves resilience by avoiding single points of failure. LACP scales network capacity without upgrading individual links.

IEEE 1588v2, also known as Precision Time Protocol (PTP), is a standard protocol used to precisely synchronize clocks across a network. This is important in applications that require highly accurate timing, such as telecommunications, industrial automation, power systems, and financial services.

Fully manageable
The switch is fully managed, supporting SNMP version 1, 2c, and 3. The embedded RMON software agents support RMON groups 1 (history), 2 (statistics), 3 (alarms), and 9 (events). The integral Web server enables Web-based management via a Web browser. This GUI interface enables switch configuration, system dashboard, maintenance, and monitoring, and includes a wide range of management and support features.

Support for VLAN and QoS
Support for up to four simultaneous VLANs segments traffic with port-based, 802.1Q tag-based, or MAC-based VLANs. 802.1p Layer 2 quality of service (QoS) prioritizes time-sensitive applications such as VoIP and video.

Secure
Enterprise-class security features include 802.1X port-based network access control to authenticate devices connecting to your network. The switch also supports SNMPv3 cryptographic security, SSH, and SSL. Plus, you can set up a guest VLAN that enables visitors to access the Internet without also giving them access to the corporate network.

Green
IEEE 802.3az energy-efficient Ethernet scales down power consumption during periods of low data activity, saving 50% energy. Cable length detection adjusts signal strength to the cable length, reducing power consumption on shorter cable runs.

Specifications

Management features
Switch type	Managed
Web-based management	Yes
Quality of Service (QoS) support	Yes
Ports & interfaces
SFP+ module slots quantity	4
Basic switching RJ-45 Ethernet ports quantity	24
Basic switching RJ-45 Ethernet ports type	Gigabit Ethernet (10/100/1000)
Installed SFP modules quantity	0
Installed SFP+ modules quantity	0
Gigabit Ethernet (copper) ports quantity	24
Network
Cable length detection	Yes
Networking standards	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
VLAN support	Yes
Number of VLANs	4
Link aggregation	Yes
10G support	No
IGMP snooping	Yes
Data transmission
Jumbo frames	10240
Switching capacity	128 Gbit/s
Jumbo frames support	Yes
Forwarding rate	95 Mpps
Number of VLANs	4
Security
SSH/SSL support	Yes
Security algorithms	SNMPv3, SSH
IGMP snooping	Yes
Protocols
Management protocols	SNMP v1, SNMP v2c, SNMP v3
Supported network protocols	LLDP, sFlow, UPnP, IPv6
Design
Form factor	Desktop
Product colour	Black
LED indicators	Activity, Link, Power
Country of origin	Taiwan
Power
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Power source	AC
Power over Ethernet (PoE)
Power over Ethernet (PoE)	No
Operational conditions
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 50 °C
Operating relative humidity (H-H)	5 - 95%
Virtual LAN features
VLAN support	Yes
Number of VLANs	4
Weight & dimensions
Width	17.4" (442 mm)
Depth	8.31" (211 mm)
Height	1.73" (44 mm)
Weight	8.38 lbs (3.8 kg)
Technical details
Form factor	Desktop
Product colour	Black
Indication
LED indicators	Activity, Link, Power
Other features
Country of origin	Taiwan
Logistics data
Country of origin	Taiwan