The HPE Aruba Networking J4858D is a high-performance 1G SFP (Small Form-Factor Pluggable) transceiver module designed to provide reliable Gigabit Ethernet fiber connectivity for Aruba and compatible networking equipment.

This hot-swappable optical transceiver supports 1000BASE-SX Gigabit Ethernet over multimode fiber (MMF) using an 850nm wavelength and duplex LC connector. It delivers transmission distances up to 500 meters on OM2 fiber and up to 550 meters on OM3 fiber, making it ideal for enterprise LANs, campus networks, data centers, and aggregation deployments.

Built for enterprise networking environments, the J4858D supports low power consumption, high reliability, and seamless interoperability with Aruba switches and networking infrastructure. Its compact SFP form factor allows flexible deployment in switches, routers, and aggregation devices supporting Gigabit SFP uplinks.

KEY FEATURES & BENEFITS

✔ 1G Gigabit Ethernet SFP Module — Supports 1000BASE-SX fiber networking
✔ Multimode Fiber Support — Designed for OM2 and OM3 MMF infrastructure
✔ Up to 500m Reach on OM2 — Reliable short-range fiber connectivity
✔ LC Duplex Connector — Standard enterprise fiber interface
✔ 850nm Optical Wavelength — Optimized for multimode fiber applications
✔ Hot-Swappable SFP Design — Easy installation and replacement without downtime
✔ Enterprise-Grade Reliability — Stable performance for critical network links
✔ Low Power Consumption — Efficient operation for high-density deployments
✔ Aruba Switch Compatibility — Designed for Aruba and HPE networking platforms
✔ Compact SFP Form Factor — Flexible deployment in compatible switches and routers

TECHNICAL SPECIFICATIONS

PACKAGE CONTENTS

1 × HPE Aruba J4858D SFP Transceiver Module
Installation Documentation

IDEAL APPLICATIONS

Enterprise LAN fiber uplinks
Campus network infrastructure
Data center aggregation links
Fiber switch interconnections
Gigabit Ethernet backbone deployments
Aruba switch uplink connectivity
Short-range multimode fiber networking

INSTALLATION NOTES

Compatible SFP-enabled switch or router required
Use LC duplex multimode fiber patch cables
Recommended for OM2 / OM3 multimode fiber installations
Hot-swappable installation supported

WHY BUY FROM MULTILINK

✔ Genuine HPE Aruba Networking products
✔ Fast shipping & secure packaging
✔ Enterprise networking specialists
✔ Bulk & reseller pricing available
✔ Expert fiber networking support
✔ Trusted supplier for Aruba infrastructure solutions

FREQUENTLY ASKED QUESTIONS (FAQ)

Q: What fiber type does the J4858D support?

A: The J4858D supports multimode fiber (MMF) including OM2 and OM3 fiber cabling.

Q: What is the maximum transmission distance?

A: It supports up to 500 meters over OM2 MMF and up to 550 meters over OM3 MMF.

Q: Does this transceiver use LC connectors?

A: Yes, the J4858D uses duplex LC optical connectors.

Q: Is the module hot-swappable?

A: Yes, the SFP module supports hot-swappable installation and replacement.

Q: Is this compatible with Aruba switches?

A: Yes, the J4858D is designed for Aruba and compatible HPE networking switches.