D-LINK SFP Module DEM-311GT is a high-quality 1000BASE-LX single-mode fiber transceiver designed for long-distance, high-speed networking. Built to deliver reliable Gigabit Ethernet connectivity over single-mode fiber (SMF), this SFP module ensures robust and uninterrupted data transfer up to 10 kilometers, making it ideal for enterprise networks, data centers, and campus backbones.
Featuring a compact and hot-swappable design, the DEM-311GT fits into any standard SFP port and uses an LC duplex connector. It operates at a 1310nm wavelength, providing consistent transmission quality over long distances.
This SFP module is MSA-compliant and compatible with a wide range of network switches, media converters, and routers—making it a versatile choice for fiber-based infrastructure.
✅ Specifications:
| Specification | Details |
|---|---|
| Brand | D-LINK |
| Model | DEM-311GT |
| Form Factor | SFP (Small Form-factor Pluggable) |
| Type | 1000BASE-LX |
| Connector Type | LC Duplex |
| Fiber Type | Single-mode fiber (SMF) |
| Wavelength | 1310nm |
| Max Transmission | Up to 10km |
| Data Rate | 1.25 Gbps |
| Hot Swappable | Yes |
| Compliance | IEEE 802.3z, MSA Compatible |
| Operating Temp. | 0°C to 70°C |
| Compatibility | D-LINK switches, routers, SFP ports |
🔹 Frequently Asked Questions (FAQs)
Q1: What devices are compatible with DEM-311GT?
A1: It works with most D-LINK switches and routers, and any device that supports standard MSA-compliant SFP modules.
Q2: Does this module support multi-mode fiber?
A2: No, DEM-311GT is designed for single-mode fiber only.
Q3: What is the maximum distance it can cover?
A3: It can transmit data up to 10 kilometers on single-mode fiber.
Q4: Can I hot-swap this module without rebooting my switch?
A4: Yes, it is fully hot-swappable, allowing easy replacement or upgrades.
Q5: Is the D-LINK DEM-311GT suitable for home use?
A5: It is typically used in enterprise or data center environments where fiber infrastructure is present.
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