L2+ Managed Rack mount 24-Port 10/100/1000T + 4-Port 1000X SFP Ethernet Switch
Overview
The LNK-424M-SFP is a Layer 2+ managed rackmount switch featuring
24× 10/100/1000Base-T RJ45
ports and 4× 1000Base-X SFP fiber slots, designed for
high-performance network deployments.
Key Features:
✔ 24 Copper Ports – Support 10/100/1000Mbps auto-negotiation,
full/half-duplex, and auto MDI/MDI-X
✔ 4 SFP Slots – Compatible with single-mode or multi-mode fiber
(1/2 core) for long-distance uplinks
✔ Advanced Management – L2+ features including VLAN, QoS, IGMP
snooping, and security protocols
✔ Robust & Scalable– Ideal for IP surveillance, wireless access
points, and distributed networks
✔ Rackmount Design – Compact 1U form factor for easy integration
into enterprise networks
Applications:
IP Camera Systems– Reliable connectivity for surveillance networks
Enterprise & Industrial Networks – High-speed backbone for mixed
media environments
Fiber Uplinks – Extend network reach between remote locations
Built for stability and ease of use, the LNK-424M-SFP ensures
seamless integration of copper and fiber
devices in demanding environments.
Feature
► Support 24x10/100/1000Base-T + 4x1000Base-X SFP
► 10/100/1000Mbps RJ45 Port supports Full/Half-duplex,
Auto-negotiation, Auto MDI/MDIX
► Support connecting USB-C port for easy management, without the
need to access the RS232
serial port at all
► 9K Bytes Jumbo Frame
► IEEE 802.3az Energy Efficient Ethernet (EEE)
► Supports 1U 19” Rack mount installation
Application
Technical Indexes
| Ethernet |
| Standards: | IEEE802.3 10BASE-T |
| IEEE802.3u 100BASE-TX/FX |
| IEEE802.3ab 1000BASE-T |
| IEEE802.3z 1000BASE-X |
| Forward & Filtering Rate: | 14,880pps (10Mbps) |
| 148,800pps (100Mbps) |
| 1,488,000pps (1000Mbps) |
| Packet Buffer Memory: | 12M bits |
| Processing Type: | Store-and-Forward |
| Backplane bandwidth | 110Gbps |
| Max Packet Length: | 9K Bytes Jumbo Frame |
| Address Table Size: | 8K MAC Addresses |
| Interface |
| Ethernet Port: | 24 x 10/100/1000Base-T RJ45 |
| Optical Port: | 4 x 1000Base-X SFP |
| Management Port: | 1 x USB-C |
| Environmental |
| Operating Temperature: | 0°C to 55°C (-40°F to 176°F) |
| Storage Temperature: | -40°C to 75°C (-40°F to 185°F) |
| Relative Humidity: | 5% to 95% non-condensing |
| MTBF | > 200,000 hrs |
| Electrical and Mechanical |
| Input Power: | 12~48V DC, Redundant Power (4-pin Terminal Block) |
| Power Consumption: | 15W Max. |
| DIP Switch |
4-digit DIP switch function 
| DIP | Function | Settings |
| SW 1 | Reserved | ON - Reserved | OFF - Reserved |
| SW 2 | Ring Management | ON - Disabled | OFF - Enabled |
| SW 3 | Reserved | ON - Reserved | OFF - Reserved |
| SW 4 | Reserved | ON - Reserved | OFF - Reserved |
| LED Indicators: |
| PWR: | Power Status |
| SYS | System Status |
| Ethernet: | Link/Activity, 1~24 |
| Fiber: | Gigabit SFP Port: F25~F28 |
| Hardware: |
| Dimensions (L x W x H): | 440mm x 300mm x 45mm |
| Weight: | 3.1Kg |
| Casing: | Metal Case |
| Mounting Options: | Rackmount |
| Management Features |
| System Status | Device Information, Device Status |
| Port Config | Port Config, DDM, Rate Control, Storm Control, PoE |
| Link Layer | QoS, VLAN, MAC VLAN, VLAN MAP, IP VLAN, Pro VLAN, IGMP Snooping, Static Multicast List, LLDP, Port Isolate, Port Protect, MAC ACL, IP ACL, Black & White Lists |
| Link Backup | ERPS, Port Trunking, RSTP, LACP |
| Access Control | User Password, Access Control, Port Authentication, Authentication DB, MAC Port Locking, MAC Learn Limit |
| Remote Monitor | SNMP Config |
| Statistics | Receive Frame, Send Frame, Sum Statistics, MAC Address List |
| Network Diagnosis | Port Mirroring, Network Diagnosis |
| Management | Time Config, Device Address, System Information, System Log, File Management |
| Default IP | 192.168.40.253 |
| Default User Name | admin |
| Default Password | admin |
| Regulatory Approvals |
| ISO9001, CE, RoHS, FCC |
Ordering Information
| Model | Description |
| LNK-424M-SFP | L2+ Rack mount 24-Port 10/100/1000T + 4-Port 1000X SFP Managed
Ethernet Switch |
| SFP Options | ► SFP option. Please select your SFP on our SFP Options Page |
| ► SFP module is to be purchased separately. |
| Mounting Options | ► Rack mount, mounting clip is included. |
| Power Options | ► Open Wire for Terminal Block. |
