Juniper Networks PB-4GE-SFP-B 4-Port Ethernet 1000Base-X SFP Module

Overview
The Juniper Networks PB-4GE-SFP-B is a versatile 4-Port Ethernet 1000Base-X SFP module designed to deliver high-performance fiber connectivity for modern data center and campus environments. This compact, hot-swappable module supports up to four independent 1 Gbps links, allowing network engineers to consolidate bandwidth while maintaining flexibility and scalability.

Key Features

• Four independent 1 Gbps SFP ports in a single form factor
• Supports 1000Base-X standards for multimode and single-mode fiber
• Hot-swappable design for zero-downtime upgrades
• Low power consumption for energy-efficient operation
• Compatible with Juniper EX and QFX series switches
• Robust metal housing for reliable deployment in harsh environments

Technical Specifications

• Port type: 4 x SFP (LC connector)
• Data rate: 1 Gbps per port
• Supported wavelengths: 850 nm (multimode) and 1310 nm (single-mode)
• Maximum reach: 550 meters multimode, 10 km single-mode
• Power consumption: typical 2.5 W
• Operating temperature: 0 to 70 deg C
• Dimensions: 56 mm x 30 mm x 13 mm (HxWxD)
• Weight: approx 30 g

Applications
The PB-4GE-SFP-B is ideal for a wide range of networking scenarios, including:

• Data center top-of-rack and end-of-row switches
• Campus backbone and aggregation layers
• High-density server farm connections
• Industrial and outdoor deployments where space and power are limited
• Any environment that requires reliable 1 Gbps fiber links with easy scalability

By integrating this module, organizations can simplify cabling, reduce equipment footprint, and ensure consistent, high-speed connectivity across their network infrastructure.