Name: 40-km Gigabit Ethernet SFP - Single Mode Fiber Optic Transceiver
Brand: Juniper Networks
Availability: InStock

Juniper Networks SFPGE40KMB 40-km Gigabit Ethernet SFP - Single Mode Fiber Optic Transceiver

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In Stock: 3
Manufacturer: Juniper Networks
Model or Part: SFPGE40KMB
Condition: New
Weight: 22.00lb

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Description

Overview

The Juniper Networks SFPGE40KMB is a 40 km single-mode Gigabit Ethernet Small Form-factor Pluggable (SFP) transceiver designed for long haul fiber links. It delivers reliable 1 Gbps connectivity over distances up to 40 kilometers using standard LC connectors and operates on the 1310 nm wavelength, making it ideal for carrier grade networks, data center interconnects and enterprise backbones.

Key Features

Supports 1 Gbps Ethernet, Fibre Channel and OTN applications
Extended reach of up to 40 km on standard single-mode fiber (OS2)
LC duplex connector with hot-pluggable design for easy installation
Low power consumption - typical 0.5 W per module
Built-in digital diagnostic monitoring (DDM) for real time performance tracking
Fully compliant with IEEE 802.3z and Juniper QFX, MX and EX series platforms

Technical Specifications

Transmission speed: 1 Gbps
Wavelength: 1310 nm
Maximum link distance: 40 km (single-mode OS2)
Connector type: LC duplex
Form factor: SFP (small form-factor pluggable)
Power consumption: typical 0.5 W, max 1.0 W
Operating temperature: -40 to 85 degrees C
Differential transmit output power: -9 dBm min, +0 dBm max
Receive sensitivity: -27 dBm typical
Digital diagnostic monitoring: Tx bias current, Tx power, Rx power, Temperature

Typical Applications

Metro Ethernet and carrier transport networks requiring long reach without repeaters
Data center interconnects linking campus or regional sites
Enterprise WAN extensions for branch office connectivity
High availability storage area network (SAN) links over single-mode fiber
Utility and smart grid communications where distance and reliability are critical

The SFPGE40KMB combines robust performance with easy deployment, allowing network architects to extend gigabit Ethernet services across large geographic areas while maintaining low latency and high data integrity.