Juniper Networks 740-011782 Mini 100Base-SX SFP Transceiver

Overview
The Juniper Networks Mini 100Base-SX SFP Transceiver (part number 740-011782) is a compact, hot-swappable optical module designed for high-density fiber deployments in enterprise and carrier networks. Engineered to deliver reliable 100 Mbps Ethernet over multimode fiber, this SFP provides a cost-effective solution for extending LAN segments up to 300 meters while maintaining the small form factor required for modern switches and routers.

Key Features

• Mini form factor for high port density applications
• Supports 100Base-SX Ethernet at 100 Mbps
• Operates over multimode fiber (MMF) with LC duplex connector
• Maximum link length of 300 meters on OM1/OM2 fiber
• Hot-swappable design for zero-downtime maintenance
• Compatible with Juniper EX and QFX series devices
• Low power consumption for efficient operation

Technical Specifications

• Wavelength: 850 nm
• Transmit power: -9.5 dBm typical
• Receiver sensitivity: -22 dBm typical
• Operating temperature: 0 to 70 deg C
• Storage temperature: -40 to 85 deg C
• Dimensions: 13.4 mm x 56.5 mm x 8.5 mm
• Weight: 7 grams
• Power draw: less than 1 watt

Applications
The Mini 100Base-SX SFP Transceiver is ideal for:

• Campus and office network extensions where fiber is required for distance or interference immunity
• Data center top-of-rack switches needing high port density
• Industrial environments that demand rugged, reliable fiber connectivity
• Telecom back-haul links that use multimode fiber infrastructure
• Any Juniper network equipment that supports SFP modules and requires 100 Mbps Ethernet over short-reach fiber

By choosing the Juniper Mini 100Base-SX SFP Transceiver, network designers gain a flexible, space-saving optical solution that delivers consistent performance and simplifies upgrades across a wide range of deployment scenarios.