Name: J4858A HP 1000Base-SX Multimode SFP Transceiver Gigabit Ethernet
Brand: HP
SKU: J4858A
Price: 97.60 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The HP J4858A 1000Base-SX multimode SFP transceiver enables Gigabit Ethernet connections over multimode fiber cable. Designed as a small form-factor pluggable module, it supports data transmission distances up to 550 meters and operates at an 850 nm wavelength, fitting into compatible HP networking devices.

General Information
Brand	HP

Technical Information
Form Factor	SFP
Media	MMF
Type	VCSEL
Protocols	1000Base-SX
Connector	LC Duplex
DOM Support	No

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The HP J4858A is a 1000Base-SX Small Form-factor Pluggable (SFP) transceiver designed for multimode fiber optic networks. It converts electrical signals into optical signals for Gigabit Ethernet applications, supporting connections typically used in enterprise network environments. This transceiver is commonly used by network administrators and IT professionals to enable fiber connectivity in switches, routers, and other networking equipment. It is suitable for installations requiring moderate-distance fiber links within data centers or campus networks. Key Features Supports 1000Base-SX Gigabit Ethernet over multimode fiber Operates on wavelengths around 850 nm Small Form-factor Pluggable (SFP) design for hot-swappable flexibility Reach up to 550 meters depending on fiber type Compatible with HP networking hardware The HP J4858A provides a practical solution for connecting network devices across multimode fiber cabling infrastructure. Its SFP form factor allows for easy upgrades and maintenance without powering down equipment. It is typically deployed where fiber optic links are required to extend network reach while maintaining data integrity.

Use Cases
The HP J4858A transceiver is commonly used in enterprise networking environments requiring fiber optic connectivity for Gigabit Ethernet. It is suitable for data centers, campus networks, and telecom closets where multimode fiber links are standard. How It's Used: Connecting switches and routers within data centers using multimode fiber Extending network reach in campus LAN environments Enabling fiber connections in telecom rooms with compatible HP equipment Supporting Gigabit Ethernet links in high-traffic enterprise networks Replacing or upgrading existing fiber transceivers in HP devices This transceiver plays a key role in facilitating fiber-based network links that require moderate distances and Gigabit speeds. It integrates into HP hardware to provide reliable optical connectivity for various enterprise applications.

FAQ's
What fiber type does the HP J4858A support? The HP J4858A supports multimode fiber, typically used for short to medium distance Gigabit Ethernet connections within network infrastructures. What is the maximum transmission distance of the J4858A transceiver? This transceiver supports distances of up to approximately 550 meters over multimode fiber, depending on the fiber specifications and network environment. Which wavelength does the HP J4858A operate on? The HP J4858A operates at an optical wavelength around 850 nanometers, standard for 1000Base-SX multimode fiber communications. Can the J4858A be hot-swapped in networking equipment? Yes, the J4858A is an SFP module designed for hot-swappable installation, allowing replacement or upgrades without powering down the host device. Is the J4858A compatible with all HP switches? The J4858A is compatible with HP networking devices that support 1000Base-SX SFP modules. Compatibility depends on the specific device model and firmware. What type of Ethernet does this transceiver support? The HP J4858A supports Gigabit Ethernet (1000Base-SX) over multimode fiber connections for network data transmission.

J4858A HP 1000Base-SX Multimode SFP Transceiver Gigabit Ethernet

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases

FAQ's