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StarTech.com HPE J4858C Compatible SFP Module - 1000BASE-SX - 1GE Gigabit Ethernet SFP 1GbE Multi Mode (MMF) Fiber Optic Transceiver 550m
- 100% HPE J4858C COMPATIBLE: Works with HPE switches like 1400, 1700, 1820, 2520, 2530 and others
- TECHNICAL SPECS: 1000BASE-SX | 1Gbps | Multi Mode (MMF) | LC Connector | 850nm | Digital Diagnostic Monitoring (DDM) | Distances up to 550m (1804ft)
- TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in HPE routers and switches; DDM support reports the transceiver's status to most SNMP network management tools
- LIFETIME WARRANTY: Backed by a lifetime warranty on the life of the module itself - not the life of your switch. Our modules won't void your OEM warranty and supported by our Tech Advisors 5/24
- WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules
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Overview
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100% HP J4858C compatible guaranteed - Lifetime Warranty on all SFP modules - Ne
Warranty & Returns
Warranty, Returns, And Additional Information
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
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The StarTech.com J4858CST is an HPE J4858C-compatible 1000BASE-SX SFP transceiver for HPE switches and other compatible SFP hosts, connecting 1GbE equipment over multimode fiber for distances up to 550 m.
Recommended For
- HPE switch owners replacing a failed or damaged J4858C-class optic in a compatible SFP port, especially on the listed 1400, 1700, 1820, 2520, or 2530 series.
- Network administrators extending a 1GbE connection between switches or network segments over existing duplex multimode fiber, when the host supports the module and the fiber run fits the link budget.
- Home-lab and small-network builders using HPE or compatible MSA SFP equipment who want to test a third-party optic and can verify that their specific switch recognizes it.
- IT teams that want a hot-swappable 1GbE multimode optic with digital diagnostics for checking transceiver status through supported network-management tools.
Real-World Use Scenarios
- Connecting two compatible switches in separate wiring closets over existing multimode fiber: with a matching 1000BASE-SX optic at the other end, it provides a 1GbE inter-switch uplink without replacing the fiber run.
- Replacing a failed or missing J4858C-compatible optic in an HPE switch: if the switch supports the module and the installed fiber is suitable, the replacement can restore the existing fiber link without changing the switch.
- Linking switches in nearby racks or a data room over multimode fiber: it provides a wired 1GbE connection where fiber is already routed or preferred for the rack layout; both ends need compatible SX optics.
- Checking transceiver status through network-management tools: in a supported setup, DDM can expose module readings to help an administrator check the optic’s reported status while troubleshooting a fiber link.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Gigabit Ethernet connections over multimode fiber, with LC duplex connectivity over distances up to 550 m |
| Fiber Interface And Compatibility | 1000BASE-SX SFP transceiver with a duplex LC fiber interface; compatible with HP J4858C equipment and compliant with MSA industry standards |
| Optical And Data Specifications | 850 nm wavelength; 1 Gbps Ethernet transfer rate, with maximum data rates up to 1.25 Gbps; maximum distance 550 m (1804 ft.) |
| Management And Installation | Digital Diagnostics Monitoring (DDM) and hot-pluggable installation |
| Warranty | Lifetime warranty |
| Model Identifiers | StarTech.com model J4858CST; style name J4858C |
| Physical Specifications | Silver metal module measuring 2.2 × 0.6 × 0.5 inches; item weight 0.018 kg |
| Package Contents | One SFP transceiver |