StarTech. com J4859CST HPE J4859C Compatible SFP Transceiver - 1000BASE-LX 1GbE Fiber Module - LC Connector - Single/Multi Mode - 10km Distance
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Product Features
Technical Overview
Engineered for high-performance optical networking, the J4859CST transceiver operates at 1.25 Gigabit Ethernet speeds using 1310nm wavelength technology. It features a single LC duplex port that supports distances up to 10 kilometers, making it suitable for both short-range and extended fiber runs.
The module's MSA-compliant design ensures mechanical and electrical compatibility with a wide range of networking devices. DDM support allows network administrators to monitor temperature, voltage, laser bias current, and optical power through SNMP management tools, providing valuable insights for proactive network maintenance.
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.
Key Product Advantages
This SFP transceiver combines certified compatibility with HPE equipment, versatile fiber support, and robust monitoring features in a compact, reliable package. Its lifetime warranty and technical support provide long-term value and peace of mind for network deployments.
Verified HPE Compatibility
Extensively tested to work flawlessly with HPE 1400, 1700, 1820, 2520, and 2530 series switches and routers, ensuring reliable performance without voiding OEM warranties.
Dual Fiber Mode Support
Operates with both single-mode and multi-mode fiber cables, offering deployment flexibility across different network infrastructure types and distances.
Comprehensive Diagnostic Monitoring
Digital Diagnostic Monitoring provides real-time performance data accessible through SNMP tools, enabling proactive network management and troubleshooting.
Deployment / Use Cases
The J4859CST SFP transceiver is ideal for expanding or upgrading fiber optic network segments in various environments. Its 10-kilometer reach makes it suitable for connecting buildings across campuses, linking data center racks, or extending network backbones in enterprise settings.
Common deployment scenarios include integrating with HPE switch stacks for unified management, connecting to MSA-compliant switches from vendors like Ubiquiti, D-Link, or Netgear in mixed-vendor environments, and implementing fiber uplinks in network closets or distribution layers. The hot-swappable design allows for easy installation and replacement during network maintenance windows.
Campus Network Extension
Connect multiple buildings across a campus using single-mode fiber for distances up to 10 km, maintaining high-speed Gigabit Ethernet connectivity between network segments.
Data Center Interconnect
Establish reliable fiber links between server racks or data center zones, leveraging the transceiver's compatibility with enterprise-grade switching equipment and diagnostic capabilities.
Physical Profile
The compact SFP form factor measures 0.50" (12.70 mm) in height, 0.60" (15.24 mm) in width, and 2.20" (55.88 mm) in depth, with a lightweight design at approximately 0.60 oz (17.01 g). This small footprint allows high-density installation in switch ports without obstructing adjacent modules or airflow. The hot-pluggable interface enables installation and removal without powering down networking equipment, supporting efficient network maintenance and upgrades.
- Width
- 0.60" (15.24 mm)
- Depth
- 2.20" (55.88 mm)
- Height
- 0.50" (12.70 mm)
- Weight
- 0.60 oz (17.01 g)
Highlights
- 100% compatible with HPE J4859C and tested with HPE 1400, 1700, 1820, 2520, 2530 series switches
- 1000BASE-LX Gigabit Ethernet SFP transceiver supporting 1.25 Gbps speeds
- Works with both single-mode and multi-mode fiber cables using LC duplex connector
- Supports distances up to 10 km (6.2 miles) for extended network runs
- Hot-swappable, hot-pluggable design for easy installation and maintenance
- Digital Diagnostic Monitoring (DDM) for real-time performance tracking via SNMP
- MSA compliant for broad compatibility with switches from Ubiquiti, D-Link, Netgear, and more
- Lifetime warranty on the transceiver module with technical support available
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | J4859CST |
| Brand Name | StarTech.com |
| Product Name | HP J4859C Compatible SFP Transceiver Module - 1000BASE-LX |
| Product Type | SFP (mini-GBIC) |
| Packaged Quantity | 1 Each |
| Technical Information | |
| Application/Usage | Optical Network,Data Networking |
| 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 | 0.50" (12.70 mm) |
| Width | 0.60" (15.24 mm) |
| Depth | 2.20" (55.88 mm) |
| Weight (Approximate) | 0.60 oz (17.01 g) |
| Miscellaneous | |
| Compatibility | MSA Compliant HPE Routers HPE Switches: 1400 1700 1820 2520 2530 |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What HPE switch models is this SFP transceiver compatible with?
This StarTech.com J4859CST transceiver is 100% compatible with HPE J4859C and has been tested with HPE 1400, 1700, 1820, 2520, and 2530 series switches and routers. It works seamlessly with these models without voiding OEM warranties, providing a reliable fiber optic connection for Gigabit Ethernet networks.
Does this SFP module support both single-mode and multi-mode fiber?
Yes, the transceiver supports both single-mode and multi-mode fiber cables. It uses an LC duplex connector and operates at 1310nm wavelength, making it versatile for different network infrastructure types. This dual-mode support allows deployment flexibility across various distances and cable installations.
What is the maximum distance this transceiver can achieve?
The J4859CST SFP transceiver supports distances up to 10 kilometers (approximately 6.2 miles) over fiber optic cable. This extended reach makes it suitable for connecting network segments across buildings, campuses, or data center environments while maintaining Gigabit Ethernet performance.
What is Digital Diagnostic Monitoring (DDM) and how does it work?
Digital Diagnostic Monitoring is a feature that provides real-time performance data about the transceiver's operation. It monitors parameters like temperature, voltage, laser bias current, and optical power, reporting this information to SNMP-based network management tools. This enables proactive maintenance, troubleshooting, and performance optimization without physical inspection.
Is this SFP module hot-swappable?
Yes, the transceiver features a hot-pluggable, hot-swappable design. This allows you to install or remove the module without powering down the networking equipment, minimizing network downtime during maintenance, upgrades, or replacements. It ensures seamless integration into live network environments.
What warranty does this SFP transceiver come with?
StarTech.com provides a lifetime warranty on the J4859CST SFP transceiver module. This warranty covers the life of the module itself and is backed by technical support available through their advisory team. The module is designed not to void OEM warranties on compatible networking equipment.