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StarTech. com EXSFP1GESXST Juniper EX-SFP-1GE-SX Compatible SFP Module - 1000BASE-SX 1GbE Multimode Fiber Optic Transceiver - 550m DDM

SKU: EXSFP1GESXST
UPC: 065030868631
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MSRP: $71.74
$71.95
$58.95
Save: $12.79 (17.78%)
Warranty Information: Lifetime
Condition: New
Width: 1.27 (cm)
Height: 1.27 (cm)
Depth: 5.59 (cm)
Availability: Canada: High Availability
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Product Features

Description

Product Overview

The StarTech.com EXSFP1GESXST is a Juniper EX-SFP-1GE-SX compatible SFP transceiver module designed for reliable Gigabit Ethernet connectivity over optical fiber. This hot-pluggable module supports 1000BASE-SX technology, delivering data transfer rates up to 1.25 Gbit/s across multimode fiber with a reach of up to 550 meters.

Built to MSA standards, this transceiver ensures seamless integration with compatible Juniper switches and routers, providing a cost-effective upgrade path for existing network infrastructure. The module features LC connectors and supports digital diagnostics monitoring (DDM) for real-time performance tracking.

Relevant factors for this section include Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Signal
LC
Signal Type
Ports: 1Hot-pluggable,Hot-swappable
Compatibility & Standards
CompatibilityMSA Compliant Juniper Switches And Routers
Form FactorHot-pluggable, Hot-swappable SFP (mini-GBIC)
Environmental ComplianceRoHS, REACH, WEEE
Performance & Media
Network Technology1000BASE-SX
Maximum Data Transfer Rate1.25 Gbit/s
Fiber Mode SupportedMulti-mode
Physical & Connectivity
Connector TypeLC
Total Number of Ports1
Interfaces/Ports Details1 x LC Duplex 1000Base-SX Network

Technical Overview

This SFP module operates on the 1000BASE-SX standard, which is optimized for short-wavelength multimode fiber applications. It uses LC duplex connectors to maintain signal integrity and minimize insertion loss, making it suitable for high-density networking environments where space and reliability are critical.

The transceiver supports full-duplex Gigabit Ethernet, ensuring efficient bidirectional data flow. Its hot-swappable design allows for installation and replacement without powering down network equipment, reducing downtime during maintenance or upgrades.

Relevant factors for this section include Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Maximum Data Transfer Rate1.25 Gbit/s
Fiber Reach550m
Ports1
1000BASE-SXMultimode FiberLC ConnectorHot-pluggable

Key Product Advantages

This transceiver offers several advantages for network deployments requiring fiber optic connectivity. Its compatibility with Juniper EX-SFP-1GE-SX hardware ensures broad applicability in enterprise and data center environments, while the MSA compliance guarantees interoperability with third-party equipment.

Reliable Performance

The 1000BASE-SX technology provides stable Gigabit Ethernet speeds over multimode fiber, with DDM capabilities enabling proactive network management.

  • Up to 1.25 Gbit/s transfer rate
  • 550m reach on multimode fiber
  • Digital diagnostics monitoring

Easy Integration

Hot-pluggable design and standard LC connectors simplify installation and maintenance, reducing network downtime.

  • Hot-swappable without shutdown
  • LC duplex connectors
  • MSA compliant for broad compatibility

Deployment / Use Cases

This SFP module is ideal for extending Gigabit Ethernet networks over fiber optic cabling within buildings or campuses. Its 550m reach on multimode fiber makes it suitable for connecting network switches, routers, or servers across different floors or adjacent buildings.

Common applications include data center interconnects, backbone links for office networks, and upgrades for existing copper-based infrastructure where longer distances or electrical isolation are required. The module supports data networking and optical network applications, including audio/video transmission over IP networks.

Data Center Connectivity

Use for linking switches and servers within a data center, leveraging fiber's immunity to electromagnetic interference.

  • High-density environments
  • EMI-free performance
  • Hot-swappable for easy maintenance

Building Backbone Links

Deploy for connecting network equipment across different floors or wings, utilizing multimode fiber's cost-effectiveness for short to medium distances.

  • Up to 550m reach
  • Multimode fiber economy
  • LC connectors for reliable connections

Physical Profile

The transceiver has a compact form factor measuring 0.50" (12.70 mm) in height, 0.50" (12.70 mm) in width, and 2.20" (55.88 mm) in depth, with an approximate weight of 0.50 oz (14.17 g). This small size allows for high-density installations in network switches and routers without occupying excessive space.

Dimensions
Width
0.50" (12.70 mm)
Depth
2.20" (55.88 mm)
Height
0.50" (12.70 mm)
Weight
0.50 oz (14.17 g)
[custom-highlights]

Highlights

  • Juniper EX-SFP-1GE-SX compatible SFP transceiver module
  • 1000BASE-SX technology for Gigabit Ethernet over multimode fiber
  • LC duplex connectors for reliable optical connectivity
  • Hot-pluggable, hot-swappable design for easy installation
  • Up to 550m reach on multimode fiber optic cable
  • Maximum data transfer rate of 1.25 Gbit/s
  • MSA compliant for broad interoperability
  • Digital diagnostics monitoring (DDM) support
  • RoHS, REACH, and WEEE environmental compliance
  • Compact dimensions: 0.50" x 0.50" x 2.20"
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerStarTech.com
Manufacturer Part NumberEXSFP1GESXST
Brand NameStarTech.com
Product NameJuniper EX-SFP-1GE-SX Compatible SFP Transceiver Module - 1000BASE-SX
Product TypeSFP (mini-GBIC)
Packaged Quantity1 Each
Technical Information
Application/UsageData Networking,Optical Network
Interfaces/Ports
Total Number of Ports1
Connector TypeLC
Interfaces/Ports Details1 x LC Duplex 1000Base-SX Network
Media & Performance
Media Type SupportedOptical Fiber
Fiber Mode SupportedMulti-mode
Ethernet TechnologyGigabit Ethernet
Network Technology1000Base-SX
Maximum Data Transfer Rate1.25 Gbit/s
Physical Characteristics
Form FactorHot-pluggable,Hot-swappable
Height0.50" (12.70 mm)
Width0.50" (12.70 mm)
Depth2.20" (55.88 mm)
Weight (Approximate)0.50 oz (14.17 g)
Miscellaneous
CompatibilityMSA Compliant Juniper Switches And Routers
Country of OriginChina
Environmental ComplianceRestriction of Hazardous Substances (RoHS),Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE)
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What is the maximum distance this SFP transceiver supports?

This transceiver supports distances up to 550 meters on multimode fiber optic cable using 1000BASE-SX technology. This makes it suitable for building backbone links, data center interconnects, and other short to medium-distance applications where fiber optic performance is required.

Which Juniper equipment is this SFP module compatible with?

The EXSFP1GESXST is compatible with Juniper switches and routers that support the EX-SFP-1GE-SX transceiver and are MSA compliant. It is designed as a direct replacement for Juniper's original module, ensuring seamless integration in existing network infrastructure without requiring configuration changes.

What type of fiber connector does this transceiver use?

This SFP module uses LC duplex connectors, which are standard for high-density fiber optic applications. The LC connector type provides reliable connections with low insertion loss, making it ideal for enterprise networking environments where signal integrity is critical.

Can this transceiver be installed without shutting down the network equipment?

Yes, this transceiver features a hot-pluggable and hot-swappable design, allowing installation or replacement without powering down the network switch or router. This capability minimizes downtime during maintenance or upgrades, supporting continuous network operation.

What is the data transfer rate of this SFP module?

The transceiver supports a maximum data transfer rate of 1.25 Gbit/s, which aligns with Gigabit Ethernet standards. This provides full-duplex 1GbE performance over multimode fiber, suitable for data networking, optical network applications, and audio/video transmission.

Does this SFP transceiver support digital diagnostics monitoring?

Yes, this module includes digital diagnostics monitoring (DDM) capabilities, allowing real-time tracking of performance parameters such as temperature, voltage, and optical power levels. This feature enables proactive network management and troubleshooting for maintaining optimal fiber link performance.

[/custom-faq]
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StarTech. com EXSFP1GESXST Juniper EX-SFP-1GE-SX Compatible SFP Module - 1000BASE-SX 1GbE Multimode Fiber Optic Transceiver - 550m DDM
MSRP: $71.74
$71.95
$58.95
Save: $12.79 (17.78%)
Available & Ready to Ship