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J4858B-C
- Description:
- Gigabit-SX-LC Mini-GBIC B Ver. HP Procurve Compatible
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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J4858B-C Overview
J4858B-C is a compact SFP+ transceiver engineered for 10G Ethernet applications. It uses an LC connector and supports a data rate of 10G over short-range multimode fiber links, making it ideal for high-density data center, enterprise network, and telecom deployments.
J4858B-C features a standard SFP+ form factor with precise physical dimensions designed for optimized performance in rack-mounted systems. With support for Ethernet protocols and compliance with industry temperature and voltage standards, this transceiver meets the rigorous demands of modern networking environments.
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J4858B-C Specifications
| Product Type | Transceiver |
| Form Factor | SFP+ |
| Data Rate | 10G |
| Connector Type | LC |
| Wavelength | 850 nm |
| Transmission Distance | Short-Range |
| Fiber Type | Multi-mode |
| Max Distance | 300 meters |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 3.5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | J4858B-C 10G SFP+ Transceiver |
| Height | 0.66 inches |
| Width | 0.6 inches |
| Depth | 1.1 inches |
| Weight | 0.2 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Depth | 1.1 inches | 1.50 inches | 1.2 inches | 0.5 inches | 1.1 inches |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Multi-mode | Multi-mode |
| Form Factor | SFP+ | SFP+ | SFP+ | SFP+ | SFP+ |
| Height | 0.66 inches | 0.65 inches | 0.50 inches | 0.25 inches | 0.28 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 300 meters | 10 km | 80 km | 300 meters | 300 meters |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 3.5W | 3.5 W | 3.5W | 1.5W | 3.5W |
| Product Name | J4858B-C 10G SFP+ Transceiver | J4859B-C 10G SFP+ Transceiver Module | J4860C-C Optical Transceiver Module | J4858D-C | J8177D-C 10G SFP+ Optical Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Short-Range | Short-Range |
| Wavelength | 850 nm | 1310 nm | 1310 nm | 850nm | 850nm |
| Weight | 0.2 lbs | 0.10 lbs | 0.1 lbs | 0.05 lbs | 0.05 lbs |
| Width | 0.6 inches | 0.65 inches | 1.0 inches | 0.65 inches | 0.87 inches |
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Questions & Answers
Q
What is the J4858B-C Gigabit-SX-LC Mini-GBIC B Ver HP ProCurve Compatible?
A
The J4858B-C is a hot-pluggable SFP (Mini-GBIC) transceiver module that delivers 1 Gbps over multimode fiber using LC connectors, fully compatible with HP ProCurve switches.
Q
Is the J4858B-C Mini-GBIC compatible with all HP ProCurve switch models?
A
Yes, the J4858B-C is engineered for seamless interoperability with HP ProCurve switch series that feature SFP slots, including 2510, 2520, 3400, 5400, and 8200 families.
Q
Which fiber type does the J4858B-C support?
A
The J4858B-C supports 50/125 µm and 62.5/125 µm multimode fiber (MMF), making it ideal for campus backbone and data-center links.
Q
What is the maximum transmission distance of the J4858B-C?
A
At 850 nm wavelength, the J4858B-C achieves reliable data transmission up to 550 meters over 50 µm MMF and up to 275 meters over 62.5 µm MMF.
Q
What wavelength does the J4858B-C Mini-GBIC operate on?
A
The module operates at an 850 nm nominal wavelength, optimized for short-reach multimode fiber applications.
Q
How do I install the J4858B-C Mini-GBIC module?
A
Simply align the LC connector latch, insert the module into the SFP slot until it clicks, and secure the fiber cable—no configuration changes are required.
Q
Does the J4858B-C support hot-swappable operation?
A
Yes, the J4858B-C can be inserted or removed from an active switch without powering down, ensuring uninterrupted network uptime.
Q
What data rate does the J4858B-C Mini-GBIC support?
A
The transceiver supports a full-duplex data rate of 1.25 Gbps (1 Gbps Ethernet) for Fibre Channel and Ethernet applications.
Q
Which connector type does the J4858B-C use?
A
It uses duplex LC connectors, providing a compact, reliable interface for multimode fiber links.
Q
What is the operating temperature range of the J4858B-C?
A
The module is rated for operation from 0 °C to 70 °C (32 °F to 158 °F), suitable for standard commercial environments.
Q
What warranty is included with the J4858B-C Mini-GBIC?
A
The J4858B-C comes with a one-year limited warranty covering manufacturing defects and functional performance.
Q
Can I use the J4858B-C with single-mode fiber?
A
No, the J4858B-C is optimized for multimode fiber only; single-mode fiber requires an 1310 nm or 1550 nm SFP transceiver.
Q
How much power does the J4858B-C consume?
A
The transceiver draws a maximum of 0.8 W, minimizing thermal load in high-density switch configurations.
Q
How does the J4858B-C ensure reliable network performance?
A
It features digital diagnostics monitoring (DDM) for real-time link parameters, enabling proactive maintenance and uptime assurance.
Q
Is the J4858B-C suitable for high-density switch environments?
A
Yes, its small form-factor and low power profile make it ideal for high-density 1 Gbps port aggregation in data centers and wiring closets.
Q
How does the J4858B-C compare to genuine HP transceivers?
A
The J4858B-C matches HP’s performance and interoperability at a lower cost, offering the same specifications and compatibility with HP ProCurve switches.
