HPE Compatible J4858C X121 1G SFP LC SX Transceiver

The HPE Compatible J4858C X121 1G SFP LC SX Transceiver is a high-performance, cost-effective optical transceiver designed for Gigabit Ethernet applications. It is fully compatible with HPE Aruba switches and routers, offering reliable connectivity for multi-mode fiber networks.

Advantages

This transceiver provides seamless integration with HPE equipment, ensuring network stability and performance. It supports hot-plug capability, allowing for easy installation and replacement without network downtime. With digital diagnostics monitoring (DDM), you can proactively manage your fiber optic links.

Suitable for

• Enterprise data centers requiring 1G connectivity over multi-mode fiber
• Network upgrades from 100BASE-FX to Gigabit Ethernet
• Short to medium distance links up to 550 meters
• HPE Aruba switch and router deployments

Key specifications

• Form Factor: SFP
• Data Rate: 1 Gbps
• Transceiver Type: 1000BASE-SX
• Wavelength: 850 nm
• Connector Type: LC Duplex
• Fiber Type: Multi-mode Fiber (MMF)
• Max Distance: 550 m (on OM2/OM3 fiber)
• Digital Diagnostics: Yes (DDM/DOM Support)
• Compatibility: HP J4858C (X121 1G SFP LC SX)
• Hot-Swappable: Yes
• Power Consumption: < 1 W
• Operating Temperature: 0°C to 70°C (Commercial)
• Compliance: MSA Compliant
• Laser Type: VCSEL
• Voltage: 3.3 V
• Application: Gigabit Ethernet, Fiber Channel
• Cable Type: Duplex LC Multi-mode Fiber

Recommendations

For optimal performance, use with OM3 or OM4 multi-mode fiber cables. This transceiver is an ideal replacement for HPE J4858C original modules, offering the same reliability at a lower cost.