🛍️ Product Name
D-Link DIS‑300G‑12SW 8 × 10/100/1000Base‑T + 4 × 100/1000Mbps SFP DIN‑Rail Gigabit Managed Industrial Switch (MAC Address 8K, ‑40~75°C, PSU not included)
📦 Product Overview
The D-Link DIS‑300G‑12SW is a rugged managed industrial Gigabit switch designed for mission‑critical networks. Featuring 8 copper Gigabit ports and 4 SFP slots for fiber uplinks, it supports advanced Layer 2 management, robust security, and redundancy features. With DIN‑rail mounting, fanless design, and wide operating temperature from ‑40°C to 75°C, it is ideal for smart city, transportation, and industrial automation applications where reliability and durability are essential.
🌟 Top Highlights
⚡ 12 Gigabit Interfaces – 8 copper ports plus 4 fiber SFP slots
🔒 Managed Layer 2 Features – VLANs, QoS, IGMP Snooping, and security controls
🌡️ Wide Temperature Range – Operates reliably from ‑40°C to 75°C
🧩 DIN‑Rail Mounting – Simplifies installation in industrial enclosures
💡 Fanless Design – Silent operation with convection cooling
📐 Technical Details
| Specification | Details |
|---|---|
| Model | DIS‑300G‑12SW |
| Switch Type | Managed Industrial Gigabit Switch |
| Copper Ports | 8 × 10/100/1000Base‑T RJ‑45 |
| Fiber Ports | 4 × 100/1000Mbps SFP slots |
| MAC Address Table | 8K entries |
| Switching Capacity | 32 Gbps |
| Forwarding Rate | 23.8 Mpps |
| Operating Temperature | ‑40°C to +75°C |
| Storage Temperature | ‑40°C to +85°C |
| Humidity | 5% to 95% non‑condensing |
| Cooling | Fanless, convection cooling |
| Mounting | DIN‑Rail |
| Power Supply | External PSU required (not included) |
| Management Features | VLAN, QoS, IGMP Snooping, Port Mirroring, Storm Control |
| Security Features | 802.1X, Access Control Lists, Port Security |
| Certifications | CE, FCC, UL, Industrial EMC compliance |
| Warranty | 2‑Year Manufacturer Warranty |
💡 Why You Should Buy It
✅ Provides reliable managed Gigabit connectivity with copper and fiber options
✅ Rugged design for industrial and outdoor environments
✅ Advanced Layer 2 features for secure and efficient traffic management
✅ Backed by manufacturer warranty and support
🎯 Recommended Use Cases
➤ Industrial automation and control systems
➤ Smart city and outdoor infrastructure
➤ Transportation and logistics networks
➤ Harsh environment deployments requiring managed Gigabit connectivity
🤝 Customer Assurance
🛡️ Warranty / Guarantee: 2‑Year manufacturer coverage
🔄 Returns Policy: Returns accepted as per reseller terms
🚚 Shipping Info: Reliable logistics with tracking support
📞 Customer Support: Assistance via official D‑Link support channels
👉 Call to Action
Empower your industrial network with the D‑Link DIS‑300G‑12SW — engineered for rugged reliability.

Thanks for choosing
– YOUR TRUSTED IT PARTNER.
