StarTech.com J4859CST Gigabit SFP transceiver module with metal housing and blue LC connector interface

Enterprise-Grade Gigabit SFP Module with Extended Range Capability

The StarTech.com J4859CST SFP transceiver showcases its robust metal housing and precise engineering designed for reliable gigabit connectivity. This HP-compatible module features Class 1 laser technology operating at 1310nm wavelength, enabling high-speed data transmission across extended distances. The compact form factor and industry-standard certifications make it an ideal solution for enterprise network infrastructure.

Technical Specifications

  • 1.25 Gbps maximum data transfer rate for high-bandwidth applications
  • 1310nm wavelength optimized for long-distance transmission
  • Hot-swappable design for seamless network maintenance

Applications

  • Data center interconnect applications requiring reliable gigabit connectivity
  • Enterprise network backbone infrastructure deployment
  • Campus-wide network installations requiring extended reach
Close-up view of the dual LC connector interface on the StarTech.com SFP module showing the fiber optic ports

Dual LC Interface for Reliable Fiber Connectivity

The precision-engineered LC duplex interface ensures secure fiber optic connections for both transmit and receive channels. The blue-coded connector housing provides quick visual identification for single-mode fiber applications, while the rugged metal construction maintains signal integrity. The duplex port design enables simultaneous bi-directional data flow essential for full-duplex network operations.

Technical Specifications

  • Dual LC connector interface for secure fiber connections
  • Compatible with standard LC patch cables and infrastructure
  • Supports both single-mode and multi-mode fiber applications

Applications

  • High-speed data center interconnections
  • Core network infrastructure deployment
  • Long-distance network links up to 10km
Internal view of the StarTech.com SFP module showing the circuit board and gold connector interface

Industrial-Grade Circuit Design with MSA Compliance

The internal circuitry reveals the module's adherence to Multi-Source Agreement (MSA) standards, ensuring broad compatibility across network equipment. The gold-plated connector interface and professional-grade PCB assembly demonstrate the attention to quality and reliability. Digital diagnostics monitoring capabilities provide real-time oversight of module performance and network health.

Technical Specifications

  • MSA-compliant architecture for broad compatibility
  • Digital diagnostics monitoring for performance tracking
  • Industrial-grade components rated for 24/7 operation

Applications

  • Mission-critical network infrastructure deployment
  • Enterprise-level network monitoring and management
  • Data center expansion and upgrades

Product details

General Information
Manufacturer

StarTech.com

Manufacturer Part Number

J4859CST

Brand Name

StarTech.com

Product Name

HP J4859C Compatible SFP Transceiver Module - 1000BASE-LX

Packaged Quantity

1

Product Type

SFP (mini-GBIC)

Technical Information
Application/Usage

Data Networking
Optical Network

Interfaces/Ports
Total Number of Ports

1

Connector Type

LC

Interfaces/Ports Details

1 x LC Duplex 1000Base-LX Network

Media & Performance
Media Type Supported

Optical Fiber

Fiber Mode Supported

Multi-mode
Single-mode

Ethernet Technology

1.25 Gigabit Ethernet

Network Technology

1000Base-LX

Physical Characteristics
Form Factor

Hot-pluggable
Hot-swappable

Height

0.5

Width

0.6

Depth

2.2

Weight (Approximate)

0.04 lb

Miscellaneous
Compatibility

  • MSA Compliant
  • HPE Routers

HPE Switches:

  • 1400
  • 1700
  • 1820
  • 2520
  • 2530

Environmentally Friendly

Yes

Environmental Certification

WEEE
REACH
RoHS

Country of Origin

China

Warranty
Limited Warranty

Lifetime

FAQs

What is the maximum data transfer rate of the StarTech.com J4859CST SFP transceiver?
The StarTech.com J4859CST SFP transceiver supports a maximum data transfer rate of 1.25 Gbps (Gigabits per second), making it suitable for 1000Base-LX Gigabit Ethernet networks. This speed capability ensures reliable high-speed data transmission for enterprise networking applications.
What is the maximum transmission distance for this SFP module?
The J4859CST SFP transceiver supports a maximum transmission distance of 10 kilometers (6.2 miles) on single-mode fiber, and up to 550 meters on multi-mode fiber. This long-range capability makes it ideal for both campus networks and metropolitan area network (MAN) applications.
Which HP switches is this SFP module compatible with?
This SFP module is compatible with several HP/HPE switch series including the 1400, 1700, 1820, 2520, and 2530 series switches. It's designed as a direct replacement for the HP J4859C transceiver and is MSA (Multi-Source Agreement) compliant, ensuring broad compatibility with HP networking equipment.
What type of fiber connector does this SFP module use?
The StarTech.com J4859CST uses an LC Duplex connector type for 1000Base-LX network connectivity. This industry-standard connector type ensures secure and reliable fiber optic connections while maintaining compatibility with existing fiber infrastructure.
Does this SFP module support both single-mode and multi-mode fiber?
Yes, the J4859CST SFP transceiver supports both single-mode and multi-mode fiber operations. This dual-mode capability provides flexibility in network design and implementation, allowing it to work with either type of fiber optic infrastructure.

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