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J4858A-C
Gigabit-SX-LC Mini-GBIC A Ver. HP Procurve Compatible
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J4858A-C is a 10GBASE-SR optical transceiver module designed for high-speed data communications. This SFP+ transceiver supports a 10G data rate and features LC duplex connectors, enabling short-range transmission over multi-mode fiber with a maximum distance of up to 300 meters.
J4858A-C is ideal for data centers, enterprise networks, and telecom applications that demand reliable 10Gbps Ethernet connectivity. Its precise form factor, adherence to industry standards, and compatibility with leading platforms such as Cisco, Juniper, Huawei, and Arista make it a trusted solution for modern high-performance networks.
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| J4858A-C |  C8S75A-1P-C |  J4860B-C |  J4860D-C |  J4860A-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP | SFP+ | SFP+ | SFP+ |
| Data Rate | 10G | 1G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850 nm | 1310 nm | 850 nm | 850 nm | 1310nm |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | Multi-mode | Single-mode |
| Max Distance | 300 meters | 10 km | 300 meters | 300 meters | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 1.2 W | 2.5W | 3.5W | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | J4858A-C 10GBASE-SR SFP+ Transceiver | C8S75A-1P-C | J4860B-C 10G SFP+ Transceiver Module | J4860D-C 10G SFP+ Transceiver | J4860A-C 10G SFP+ Optical Transceiver |
| Height | 0.35 inches | 0.65 inches | 0.25 inches | 0.33 inches | N/A |
| Width | 1.18 inches | 0.81 inches | 0.70 inches | 0.63 inches | N/A |
| Depth | 0.72 inches | 1.95 inches | 0.85 inches | 2.22 inches | N/A |
| Weight | 0.1 lbs | 0.1 lbs | 0.1 lbs | 0.10 lbs | N/A |
Revitalized our older Procurve switches. These SX modules are perfectly compatible with the A-version firmware. Steady gigabit speeds and zero downtime.
Finding reliable legacy modules is tough, but these work flawlessly. Recognized instantly by our HP gear. Solid short-range multi-mode performance.
Perfect fit for our legacy stack. The performance is identical to the original HP Mini-GBICs. Easy to install and very stable.
Reliable 1000Base-SX connectivity. No 'unsupported transceiver' errors in the console. Great for maintaining our existing network infrastructure without a full overhaul.
Solid build and reliable signaling. We used these for critical server uplinks on older hardware, and they haven't missed a beat.
Excellent ROI. These modules provide the same quality as OEM at a fraction of the cost. Perfect for budget-conscious enterprise maintenance.
The Gigabit-SX-LC Mini-GBIC A Ver. (SKU J4858A-C) is an HP Procurve compatible transceiver module designed for 1000BASE-SX multimode fiber links with LC connectors.
The J4858A-C supports 50/125 µm and 62.5/125 µm multimode fiber using duplex LC connectors for 1000 Mbps data transmission.
The module supports distances up to 550 meters over 50/125 µm multimode fiber at 850 nm wavelength.
Yes, the Gigabit-SX-LC Mini-GBIC A Ver. (J4858A-C) is hot-swappable, allowing insertion or removal without powering down the switch.
The module is compatible with most HP Procurve series switches, including 2600, 2800, 3500yl, 5400zl, 2910al, and 2920 models.
It operates at an 850 nm wavelength, optimized for short-reach multimode fiber applications.
No, the J4858A-C is a standard SX transceiver and does not include Digital Optical Monitoring (DOM) features.
Simply insert the transceiver firmly into the switch’s GBIC slot until it clicks, then connect your duplex LC fiber cables.
The module operates reliably between 0 °C and 70 °C, making it suitable for most data center environments.
It supports a data rate of up to 1.25 Gbps on 1000BASE-SX multimode fiber.
It’s ideal for short-reach LAN backbone connections, data center interconnects, and campus network links up to 550 meters.
The J4858A-C is a cost-effective, fully compatible third-party alternative offering the same specifications and interoperability as HP’s original transceiver.
Most vendors offer a limited lifetime warranty and full technical support for the J4858A-C transceiver.
Yes, as long as the switch firmware supports third-party modules, you can mix J4858A-C with other compatible GBICs.
You can buy it from authorized networking resellers, online marketplaces, or specialty fiber optic retailers.
Check your switch’s release notes or transceiver compatibility list on HP’s support site to confirm support for third-party 1000BASE-SX modules.