Description
The Zyxel SFP-SX-D is a high-performance 1000Base-SX transceiver designed for reliable Gigabit Ethernet connectivity over multi-mode fiber. Engineered for seamless integration with Zyxel switches and other industry-standard networking hardware, this Small Form-factor Pluggable (SFP) module supports distances up to 550 meters. It utilizes an 850nm wavelength and a duplex LC interface to deliver stable, low-latency data transmission essential for modern backbone infrastructures.
This product is for:
- IT Administrators managing small to medium-sized enterprise (SME) server rooms.
- Network Engineers looking for reliable fiber uplinks between floor switches.
- Data Center operators requiring high-density Gigabit connectivity.
- Educational institutions upgrading campus-wide high-speed internet backbones.
- System Integrators building cost-effective fiber-to-the-desk solutions.
Detailed specifications:
- Standards: IEEE 802.3z 1000Base-SX
- Connector Type: Duplex LC
- Fiber Type: Multi-Mode Fiber (MMF)
- Maximum Distance: 550 meters (50/125 µm) / 220 meters (62.5/125 µm)
- Data Rate: 1.25 Gbps
- Wavelength: 850 nm
- Form Factor: SFP (Mini-GBIC)
- Operational Temperature: 0°C to 70°C
Deploying the Zyxel SFP-SX-D is a straightforward plug-and-play experience. Its hot-swappable design allows for installation or replacement without powering down the switch, minimizing network downtime. In real-world environments, the module maintains consistent throughput even under heavy traffic loads, making it an ideal choice for connecting core switches to edge devices. The robust metal housing provides excellent EMI shielding, ensuring signal purity across the fiber link.
Compared to standard copper RJ45 connections, the SFP-SX-D offers significantly higher immunity to electromagnetic interference and supports much longer distances than the 100-meter limit of Cat6 cabling. While Single-Mode (LX) modules are better suited for multi-kilometer runs, this Multi-Mode (SX) module is the more cost-effective solution for intra-building connections and short-range campus links, providing the necessary bandwidth without the premium cost of long-haul optics.
Q&A:
- Is the Zyxel SFP-SX-D hot-swappable? Yes, it can be plugged in or removed while the switch is powered on.
- What type of cable is required for this module? It requires a multi-mode fiber optic cable with duplex LC connectors.
- Can this module reach 550 meters on all fiber types? It reaches 550m on 50/125 µm fiber and 220m on 62.5/125 µm fiber.
- Does this module support Digital Diagnostics Monitoring (DDM)? The "D" in the model name indicates support for DDM/DOM for real-time monitoring.
- Is it compatible with non-Zyxel switches? While optimized for Zyxel, it follows MSA standards for broad compatibility with SFP-compliant ports.
