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HP J4858B 1.25Gb/s SFP 550m 850nm Duplex LC MMF Transceiver
- Form Factor: SFP (Small Form-factor Pluggable)
- Data Rate: 1.25 Gigabit Ethernet (1.25Gb/s)
- Fiber Type: Multi-Mode Fiber (MMF)
- Wavelength: 850nm
- Connector Type: Duplex LC
- Maximum Distance: 550 meters
- Hot-swappable
- Designed for short-to-medium reach fiber links
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Typically 1-2 handling + 3-7 transit days
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For government, enterprise, data center, and small business customers.
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Product Overview
The HP J4858B is a 1.25Gb/s SFP (Small Form-factor Pluggable) transceiver module for multi-mode fiber (MMF) connections. It operates at 850nm and supports distances up to 550 meters using duplex LC connectors.
Technical Information
| SKU | J4858B |
| Brand | HP |
| Form Factor | SFP |
| Data Rate | 1.25Gb/s |
Additional Specifications
| Fiber Type | Multi-Mode Fiber (MMF) |
| Wavelength | 850nm |
| Connector | Duplex LC |
| Max Distance | 550 meters |
Product Description
The HP J4858B is a versatile SFP (Small Form-factor Pluggable) transceiver module designed for 1.25Gb/s Ethernet connections over multi-mode fiber (MMF) optic cables. This module is optimized for short-to-medium reach applications, commonly found in enterprise networks, data centers, and campus backbones where fiber connectivity is required between switches, servers, or other network devices. Operating at a wavelength of 850nm, the J4858B is suitable for use with OM1, OM2, OM3, and OM4 multi-mode fiber. It features a duplex LC connector, which is the standard for modern fiber optic connections, ensuring a secure and reliable physical link. The module supports a maximum transmission distance of 550 meters, providing ample reach for most in-building and intra-campus network segments. As a hot-swappable device, the J4858B can be installed or removed from network equipment without interrupting network traffic, facilitating easier network management and upgrades. This HP SFP transceiver is designed to meet stringent industry standards, ensuring compatibility with a wide range of networking hardware that supports the SFP form factor, offering a reliable and cost-effective solution for 1.25GbE fiber deployments.
