Cisco GLC-SX-MMD Multimode SFP Module | Refurbished SFP

Cisco GLC-SX-MMD Multimode SFP Module | Refurbished SFP

Product Description

The Cisco GLC-SX-MMD Multimode SFP Module is a high-performance refurbished Gigabit Ethernet transceiver designed for reliable short-range fiber optic networking over multimode fiber (MMF). Built for Cisco switches, routers, and networking equipment with SFP ports, this hot-swappable module supports 1000BASE-SX Gigabit connectivity with an 850nm wavelength and Digital Optical Monitoring (DOM/DDM) functionality. It is ideal for enterprise networks, ISPs, telecom infrastructures, and data centers requiring stable high-speed fiber uplinks with cost-effective refurbished hardware solutions.

Key Features & Specifications

• Speed: 1.25Gbps Gigabit Ethernet
• Ports: Dual LC Optical Connector
• Wireless Standard: Not applicable
• CPU/RAM: Not applicable
• Switching Capacity: 1Gbps
• Forwarding Rate: 1.25Gbps Full Duplex
• PoE Standard & Budget (if applicable): Not applicable
• Additional Features:
  • 1000BASE-SX multimode SFP transceiver
  • 850nm VCSEL laser technology
  • Supports multimode fiber (MMF)
  • Transmission distance up to 550m on OM2 MMF
  • Supports up to 1km on OM3/OM4 laser-optimized MMF
  • Hot-swappable SFP form factor
  • Digital Optical Monitoring (DOM/DDM) support
  • Compliant with IEEE 802.3z standards
  • Low power consumption
  • Plug-and-play installation
  • Compatible with Cisco switches and routers
  • Durable metal housing
  • Operating temperature: 0°C to 70°C
  • Refurbished enterprise-grade module

Performance & Use Case

Ideal for:

• Enterprise fiber backbone networking
• Data center uplink connectivity
• ISP fiber infrastructure
• Cisco switch and router deployment

Handles:

• Stable Gigabit fiber transmission
• Short-range multimode optical networking
• High-speed LAN backbone connectivity
• Switch-to-switch fiber uplinks

⚠️ Not recommended for:

• Long-distance single-mode fiber deployment
• 10Gbps networking environments
• Copper Ethernet networking
• Non-SFP compatible devices

Pros & Cons

✅ Pros

• Reliable Gigabit optical performance
• Supports DOM/DDM monitoring
• Hot-swappable easy installation
• Compatible with Cisco networking devices
• Cost-effective refurbished solution
• Stable multimode fiber transmission

❌ Cons

• Limited to short-range MMF applications
• Not suitable for 10G networking
• Requires multimode fiber infrastructure
• Refurbished condition may vary slightly

Summary

The Cisco GLC-SX-MMD Multimode SFP Module | Refurbished SFP is an excellent choice for businesses, ISPs, and network professionals who need reliable and affordable Gigabit fiber connectivity for Cisco networking environments. Its stable performance, DOM support, and compatibility with multimode fiber networks make it a practical solution for enterprise and data center deployments.

Contact Information

• Phone: 01877-778074, 01877-778075
• Email: centurycomputers534@yahoo.com
• Address: Century Computers is located at 1103/B, Level-11, Multiplan Center, New Elephant Road, Dhaka-1205, Bangladesh.