- Overview
- Specification
- Ordering Information
- Dimension
- Resources
HENGSION Managed MNB28-24S-4G-MIB provides 24*100Base FX SFP fiber optic ports, 2*1000Base Combo ports, and 2 *1000Base SFP fiber optic ports. Support Ethernet redundant Ring protocol( recovery time<20ms), with complete security and QoS policies; Support VLAN division, port mirroring, and port rate limiting; Support broadcast storm suppression, flow control, and centralized management and configuration by WEB,CLI,SNMP.
This Series has a wealth of operational features which can meet user’s networking requirements of multi-service integration, security, scalability and manageability. Its wide operating temperature range and port surge protection design are ideal for application in large flow real-time outdoor environment, and are widely used for occasions including enterprise, intelligent building, cafe, community access or gathering etc., and for industries like finance, education and government etc.
Technology |
Standards | IEEE 802.3,802.3u,802.3x, 802.3ab, 802.3z; IEEE802.1Q,802.1p,802.1D,802.1w,802.1s,802.1X,802.1ab |
Protocols | Ring, MSTP, IGMP Snooping, GMRP,VLAN,PVLAN, Telnet, HTTP, HTTPS, RMON,SNMPv1/v2/v3,LLDP,SNTP,DHCP server,SSH,SSL,ACL,FTP,ARP,QoS |
Interface |
Megabit Fiber port | 100Base-FX SFP port (LC) |
Gigabit Ethernet port | 10/100/1000Base-TX auto-adaptive RJ45 |
Gigabit Fiber port | 1000Base-SFP FX port (LC) |
RS232 Serial Console port | RS232 in RJ45 connector with console cable |
Power port | 100-240VAC @ 12VDC Power plug |
Switching Features |
Processing Type | Store & forward, wire speed switching |
Switching bandwidth | 19.6Gbps |
Packet forwarding speed | 11Mpps |
MAC Address | 8K |
Buffer Memory | 384KB |
Priority Queue | 4 |
VLAN number | 4K |
VLAN ID | 1-4096 |
Multicast groups | 256 |
Software Features |
VLAN | 802.1Q,Vlan(4K), Port-based VLAN, Q-in-Q |
Storm Suppression | Broadcast, multicast, and unknown unicast storm suppression |
Flow control | IEEE802.3X negotiation, CAR function, rate limiting step 64K |
Multicast protocol | IGMPv1/2/3 Snooping |
Port Management | Support port mirroring, port isolation, port trunking |
DHCP Management | Support DHCP Snooping, option 82 |
QoS (Quality of Service) | 802.1p; Support port default priority tags, at least 4 different priority queues per port |
Security features | MAC address filtering, dynamic or static MAC address learning, Loop detection and Port+ IP+MAC binding |
Traffic Management | Port traffic monitoring and fault event alarming |
Management | SNMP v1/v2/v3, CLI,WEB |
Management Access | Support Console, Telnet |
System Maintenance | RMON,PDP Discovery Protocol(CDP compliant),AST |
File transfer | Support Log output, configuration file backup and input |
LED Indicator for |
Power, Device running status, Ethernet port connection & running status |
Power |
Input Voltage Range | 100-240VAC |
Idle Consumption | 2.41A@12VDC(Max) |
Full -load Consumption | 3.5A@12VDC(Max) |
Connection | Power plug |
Protection | Overload Current Protection |
Mechanical |
Casing | 19“ standard 1Umetal casing |
Protection grade | IP30 |
Dimension(L*W*H) | 440*295*44mm |
Installation | 1U Rack Mount |
Weight | 3.25Kg |
Environmental |
Operating Temperature | -20℃~+70℃ |
Storage Temperature | -45℃~+85℃ |
Relative Humidity | 5~95%,non-condesing |
Industry Approvals |
EMI | FCC Part 15,CISPR(EN55022) class A |
EMS | EN61000-4-2(ESD), Level 4 |
EN61000-4-3(RS),Level 3 |
EN61000-4-4(EFT),Level 4 |
EN61000-4-5(Surge),Level 4 |
EN61000-4-6(CS),Level 3 |
EN61000-4-8,Level 5 |
Shock | IEC 60068-2-27 |
Free Fall | IEC 60068-2-32 |
Vibration | IEC 60068-2-6 |
Warranty |
Warranty Period | 3 years |
Connection Topology

Available Models | Port Interface |
1000Base FX SFP | 1000Base Combo | 100Base F(X) SFP | 100Base T(X) |
MNB28-24S-4G-MIB | 2 | 2 | 24 | 0 |
Optional Accessories (can be purchased separately)
• SFP-G-3155-J , 1Gbps SFP optical transceiver(T:1310nm/R:1550nm), single mode ,single fiber,20km
• SFP-G-5531-J , 1Gbps SFP optical transceiver(T:1550nm/R:1310nm), single mode ,single fiber,20km
• SFP-G-4-4955-J , 1Gbps SFP optical transceiver(T:1490nm/R:1550nm), single mode ,single fiber,40km
• SFP-G-4-5549-J , 1Gbps SFP optical transceiver(T:1550nm/R:1490nm), single mode ,single fiber,40km
• SFP-G-6-4955-J, 1Gbps SFP optical transceiver(T:1490nm/R:1550nm), single mode ,single fiber,60km
• SFP-G-6-5549-J , 1Gbps SFP optical transceiver(T:1550nm/R:1490nm), single mode ,single fiber,60km
• EM-SFP-GE-A, 1.25Gbps Copper SFP transceiver,10/100/1000Mbps,SGMI interface,100m.
• OM-SFP-G-D-31-J, 1.5Gbps SFP optical transceiver(1310nm), single mode ,dual fiber,20km
• SFP-M-3155-J , 100Mbps SFP optical transceiver(T:1310nm/R:1550nm), single mode ,single fiber,20km
• SFP-M-5531-J , 100Mbps SFP optical transceiver(T:1550nm/R:1310nm), single mode ,single fiber,20km

Remarks: Old model# is MIB28-24S-4G-U, the current model number# is MNB28-24S-4G-MIB.