• Aruba J4858C 1G SFP SX transceiver module 1000BASE-SX 850nm
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Aruba

Aruba J4858C | 1G SFP | 1000BASE-SX | 850nm MMF | up to 550m | LC duplex | IEEE 802.3z

J4858C

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Description

High-reliability 1G SX SFP for short-range multimode links in wiring closets, access switches, and server NICs.

Features

- Cost-effective short-reach 1G links
- Simple LC MMF cabling
- Hot-plug deployment
- MSA compliance for interoperability
- Energy-efficient operation

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Form factor: SFP (1G)
- Data rate: 1 Gigabit Ethernet
- Standard: 1000BASE-SX (IEEE 802.3z)
- Wavelength: 850 nm
- Fiber type: Multimode (OM2/OM3/OM4)
- Reach: up to 550 m on 50/125 µm MMF; up to 220 m on 62.5/125 µm MMF
- Connector: LC duplex
- Optical interface: VCSEL transmitter, PIN receiver
- Compliance: MSA-compliant SFP
- Hot-swappable, low power consumption

FAQs

Q: What distances can I expect on OM3 and OM4?
A: Typical reach is up to 550 m on OM3/OM4 for 1000BASE-SX.

Q: Does it require a specific brand of switch?
A: No. It is MSA-compliant and designed for broadly compatible 1G SFP ports.

Q: Can I mix this SX with an LX module on the far end?
A: No. Both ends must use the same standard and wavelength (SX-to-SX).

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