Name: J4858B HP 1000Base-SX 850nm LC SFP Transceiver Multimode Fiber
Brand: HP
SKU: J4858B
Price: 110.40 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The HP J4858B is a 1000Base-SX SFP transceiver that facilitates Gigabit Ethernet over multimode fiber using an 850nm wavelength and LC connector. It fits standard SFP slots on HP networking equipment, offering short-range fiber optic connectivity compliant with industry standards.

General Information
Brand	HP

Technical Information
Form Factor	SFP
Media	MMF
Type	VCSEL
Power Consumption	0.85 W
Protocols	1000Base-SX,Gigabit Ethernet
Connector	LC Duplex
DOM Support	No

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The HP J4858B is a 1000Base-SX Small Form-factor Pluggable (SFP) transceiver designed for multimode fiber optic communication at 850nm wavelength. It enables Gigabit Ethernet connectivity over short distances within data centers and enterprise networks. This transceiver module fits into SFP slots on HP switches and routers, providing flexibility and scalability in network infrastructure for IT professionals and system administrators. Key Features Compliance with 1000Base-SX IEEE 802.3z standard Supports multimode fiber transmission using 850nm wavelength LC duplex connector interface for fiber optic cable attachment SFP form factor compatible with HP networking devices Designed for short-range Gigabit Ethernet communication The J4858B transceiver serves as an essential component for enabling fiber optic connectivity that supports high-speed data transfer within localized network environments. Its modular design allows network operators to adapt their infrastructure to evolving connectivity requirements.

Use Cases
The HP J4858B transceiver is typically deployed in data centers, enterprise LANs, and campus networks where short-range fiber optic connections are required. It supports environments requiring 1 Gbps Ethernet links over multimode fiber optic cabling. How It's Used: Connecting HP switches and routers via multimode fiber for Gigabit Ethernet links Establishing short-distance fiber links within data centers or wiring closets Upgrading existing copper-based connections to fiber optic for reduced interference Implementing network segmentation or dedicated fiber links for critical systems Facilitating flexible network configurations with pluggable SFP modules This transceiver plays a practical role in providing manageable and standardized fiber optic connectivity solutions for IT environments that need scalable networking options. It supports network designs where fiber optics are preferred for bandwidth and electromagnetic interference considerations.

FAQ's
What type of fiber does the J4858B support? The J4858B supports multimode fiber optic cables operating at an 850nm wavelength, suitable for short-range Gigabit Ethernet connections. Which connector interface does the HP J4858B use? This transceiver uses an LC duplex connector interface for fiber optic cable connections, standard in many networking setups. Is the J4858B compatible with all HP switches? The J4858B is designed for HP networking devices with SFP slots supporting 1000Base-SX transceivers; compatibility depends on specific device models. What is the maximum distance supported by the 1000Base-SX standard? The 1000Base-SX standard typically supports distances up to 550 meters over multimode fiber, depending on fiber type and quality. Can the J4858B be used for single-mode fiber? No, the J4858B is specifically designed for multimode fiber and operates at an 850nm wavelength incompatible with single-mode fiber transmission. Does the J4858B support Gigabit Ethernet speeds? Yes, the transceiver supports Gigabit Ethernet speeds compliant with the 1000Base-SX IEEE 802.3z standard.

J4858B HP 1000Base-SX 850nm LC SFP Transceiver Multimode Fiber

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases

FAQ's