Black Box - Switch - managed - 20 x 10/100/1000 + 4 x SFP+ + 4 x combo Gigabit Ethernet/Gigabit SFP - rack-mountable

Category: Managed Switches
Code: LGB5128A-R2
Brand: BlackBox
Warranty: Unknown
For illustrative purpose only
Stock Qty Est. Delivery Price
VAT
SYNCA 12 6/16/2026 unknown 1,829.69
SCNCA 0 unknown 2,077.16
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Product Description
Black Box - switch - 28 ports - managed - rack-mountable
Device Type
Switch - 28 ports - managed
Enclosure Type
Rack-mountable 1U
Subtype
Gigabit Ethernet
Ports
20 x 10/100/1000 + 4 x SFP+ + 4 x combo Gigabit Ethernet/Gigabit SFP
Max Transfer Distance
49.7 miles
Performance
Switching capacity: 128 Gbps
Capacity
Simultaneous VLANs: 4000
MAC Address Table Size
32K entries
Jumbo Frame Support
10056 bytes
Routing Protocol
IGMPv2, IGMP, IGMPv3, MLDv2, MLD
Remote Management Protocol
SNMP 1, RMON 1, RMON 2, SNMP, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, SSH, CLI
Features
VLAN support, Syslog support, port mirroring, IPv6 support, SNTP support, sFlow, Spanning Tree Protocol (STP) support, Access Control List (ACL) support, Quality of Service (QoS), MLD snooping, LLDP support, DHCP relay, Link Aggregation Control Protocol (LACP), DHCP client, static routing, IGMP proxy, GARP VLAN Registration Protocol (GVRP), VoIP support, IP source guard, dual image support, IGMP querier, VLAN Double Tagging (Q-in-Q), Voice VLAN, VLAN management, Private VLAN Edge (PVE), port-based VLAN, Layer 2 isolation
Compliant Standards
IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1x, IEEE 802.1ab (LLDP), IEEE 802.3az, UPnP
Power
AC 120/230 V (50/60 Hz)
Dimensions (WxDxH)
17.4 in x 8.3 in x 1.7 in
Weight
6.83 lbs
Device Type
Switch - 28 ports - managed
Enclosure Type
Rack-mountable 1U
Subtype
Gigabit Ethernet
Ports
20 x 10/100/1000 + 4 x SFP+ + 4 x combo Gigabit Ethernet/Gigabit SFP
Max Transfer Distance
49.7 miles
Performance
Switching capacity: 128 Gbps
Capacity
Simultaneous VLANs: 4000
MAC Address Table Size
32K entries
Jumbo Frame Support
10056 bytes
Routing Protocol
IGMPv2, IGMP, IGMPv3, MLDv2, MLD
Remote Management Protocol
SNMP 1, RMON 1, RMON 2, SNMP, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, SSH, CLI
Encryption Algorithm
SSL
Authentication Method
RADIUS
Features
VLAN support, Syslog support, port mirroring, IPv6 support, SNTP support, sFlow, Spanning Tree Protocol (STP) support, Access Control List (ACL) support, Quality of Service (QoS), MLD snooping, LLDP support, DHCP relay, Link Aggregation Control Protocol (LACP), DHCP client, static routing, IGMP proxy, GARP VLAN Registration Protocol (GVRP), VoIP support, IP source guard, dual image support, IGMP querier, VLAN Double Tagging (Q-in-Q), Voice VLAN, VLAN management, Private VLAN Edge (PVE), port-based VLAN, Layer 2 isolation
Compliant Standards
IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1x, IEEE 802.1ab (LLDP), IEEE 802.3az, UPnP
Interfaces
24 x 1000Base-T RJ-45 ¦ 4 x Gigabit / 10Gbit LAN SFP+ ¦ 1 x console DB-9 ¦ 4 x Gigabit LAN SFP
Installed Qty
2
Voltage Required
AC 120/230 V (50/60 Hz)
Included Accessories
4 rubber feet
Compliant Standards
FCC Part 15 A
Width
17.4 in
Depth
8.3 in
Height
1.7 in
Weight
6.83 lbs
Min Operating Temperature
32 °F
Max Operating Temperature
140 °F
Humidity Range Operating
10 - 90% (non-condensing)
Min Storage Temperature
-40 °F
Max Storage Temperature
185 °F
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