HPE J4858C - Aruba Transceiver
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J4858C
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J4858C Overview
Aruba X121 1G SFP LC SX Transceiver J4858C
Overview
J4858C Overview
Aruba X121 1G SFP LC SX Transceiver J4858C
HPE J4858C is a HP X121 1G SFP LC SX Transceiver. It’s a small form-factor pluggable (SFP) Gigabit SX transceiver that provides a full-duplex Gigabit solution up to 550 m on multimode fiber.
Quick Specs
This figure shows the appearance.
Product Number | J4858C |
Type | HP X121 1G SFP LC SX Transceiver |
Ports | 1 LC 1000Base-SX port (IEEE 802.3z Type 1000Base-SX), Duplex: full only |
Cabling distance (maximum) | 2-220 m (62.5 µm core diameter, 160 MHz*km bandwidth), 2-275 m (62.5 µm core diameter, 200 MHz*km bandwidth), 2-500 m (50 µm core diameter, 400 MHz*km bandwidth), 2-550 m (50 µm core diameter, 500 MHz*km bandwidth) |
Dimensions | 2.24 width x 0.54 depth x 0.486 in. height |
Weight | 0.04 lb. |
Compare to Similar Item
Product Number | J4858C | |
Type | HPE X111 100M SFP LC FX Transceiver | HP X121 1G SFP LC SX Transceiver |
Ports | 1 LC 100BASE-FX port (IEEE 802.3u Type 100BASE-FX); Duplex: half or full | 1 LC 1000Base-SX port (IEEE 802.3z Type 1000Base-SX), Duplex: full only |
Summary Description
HPE X121 1G SFP LC SX Transceiver, 13.7 mm, 56.9 mm, 12.2 mm, 20 g
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Specification
J4858C Specification
J4858C Specifications | |
Type | HP X121 1G SFP LC SX Transceiver |
Ports | 1 LC 1000Base-SX port (IEEE 802.3z Type 1000Base-SX), Duplex: full only |
Cabling distance (maximum) | 2-220 m (62.5 µm core diameter, 160 MHz*km bandwidth), 2-275 m (62.5 µm core diameter, 200 MHz*km bandwidth), 2-500 m (50 µm core diameter, 400 MHz*km bandwidth), 2-550 m (50 µm core diameter, 500 MHz*km bandwidth) |
Dimensions | 2.24 width x 0.54 depth x 0.486 in. height |
Weight | 0.04 lb. |
Frequently Asked Questions
What is the primary function of the Aruba J4858C SFP module? +
The Aruba J4858C is an X121 1G SFP LC SX transceiver designed to provide high-speed fiber optic connectivity. It facilitates 1 Gigabit Ethernet data transmission over multi-mode fiber cabling, making it an essential component for linking network switches, routers, and other infrastructure devices within short-to-medium range campus or data center environments.
Does the J4858C support multi-mode fiber optic cabling? +
Yes, this transceiver is specifically engineered for use with multi-mode fiber (MMF). It utilizes 850nm wavelength technology to ensure reliable data transmission over short distances. It is typically deployed with standard LC duplex connectors to interface with your existing structured cabling architecture for seamless network integration.
Which Aruba switch series are compatible with the J4858C transceiver? +
The J4858C is designed for broad compatibility across the Aruba and HPE networking portfolio. It is standard-compliant and functions with most Aruba switches featuring SFP ports. To ensure full operational support, always verify your specific switch model’s documentation or datasheet to confirm the transceiver is listed as a supported media type.
What is the maximum effective transmission range of the J4858C? +
As an SX (short-range) transceiver, the J4858C is optimized for performance over multi-mode fiber. While exact distances can fluctuate based on the specific type of fiber cable used, such as OM2, OM3, or OM4, it is generally intended for links spanning up to 550 meters, providing high-fidelity connections for internal building networking.
Is the Aruba J4858C hot-swappable during normal network operation? +
Yes, this transceiver supports hot-swapping. You can install or remove the module from an SFP port on a powered-on switch without requiring a system reboot or downtime. This feature is critical for enterprise environments where maintaining constant network uptime and performing rapid physical layer maintenance are essential priorities for the IT infrastructure team.
What type of physical interface does the J4858C module utilize? +
This module features a standard LC duplex interface. This small form-factor connector allows for efficient cable management and high-density port usage on your networking hardware. When installing, simply ensure the fiber patch cable uses matching LC connectors to establish a secure and reliable physical layer connection between your devices.
How does the J4858C perform in high-density enterprise environments? +
The J4858C is built for reliability and consistent performance in demanding enterprise deployments. By utilizing high-quality optical components, it minimizes signal degradation and latency, ensuring stable 1Gbps throughput. Its compact SFP form factor allows network administrators to populate high-density switch configurations effectively, supporting growing bandwidth requirements in modern office and data center network designs.
What should I consider regarding the optical budget for the J4858C? +
When deploying the J4858C, ensure your fiber path is clean and within the specified link budget to maintain signal integrity. Excessive loss from dirty connectors or improper cabling bends can impact the effective range. Regularly inspecting and cleaning your fiber terminations remains a best practice to keep your 1G link performing at optimal levels.
Can I receive a discount for a large-volume order of J4858C modules? +
At BuyRouterSwitch.com, we specialize in supporting enterprise-scale infrastructure projects. If you are planning a large-volume deployment and require multiple units, our sales team is ready to provide a customized bulk quote. Contact us directly to discuss your project requirements and take advantage of our competitive pricing structure for high-quantity network hardware procurement.
Why should I choose BuyRouterSwitch.com for my Aruba hardware needs? +
BuyRouterSwitch.com is a trusted source for professional-grade networking equipment. We focus on providing seamless access to genuine enterprise hardware, ensuring that your supply chain remains reliable. Our experienced sales staff understands the technical nuances of Aruba products and is dedicated to helping you secure the exact components you need to keep your business operations running efficiently.
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