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StarTech J4858CST HPE J4858C-Compatible 1000BASE-SX SFP Transceiver
HPE J4858C-Compatible 1000BASE-SX SFP Transceiver for professional networking or ergonomic workstation applications.
Frequently asked questions
What is StarTech J4858CST?
It is a HPE-compatible multimode SFP transceiver that provides a 1GbE 1000BASE-SX link over multimode fibre with an LC duplex connection.
Which connections or mounting method are provided?
SFP slot to LC duplex fibre
What performance is specified?
1000BASE-SX; up to 1.25Gbps; 850nm; multimode fibre; up to 550m
Does it require power?
Less than 1W
What fibre and distance does it support?
It supports multimode fibre at 850nm for links up to 550m, subject to the fibre grade and host equipment.
Does it support Digital Diagnostic Monitoring?
Yes. DDM is supported when used with a compatible host and management platform.
What should be checked before ordering?
Confirm the host accepts an HPE J4858C-coded SFP and verify fibre type, LC duplex connectors, link distance and wavelength.
What warranty applies?
J4858CST carries a StarTech.com limited lifetime manufacturer warranty, subject to the manufacturer's terms and eligibility requirements.
Planning a broader setup? Browse the DeviceDeal buying guides.
(J4858CST)
Why choose J4858CST?

J4858CST specifications
Exact-model specifications for compatibility checking. Measurements may be rounded.
| Warranty Information | |
|---|---|
| Warranty | Lifetime |
| Hardware | |
| Compatible Brand | HPE |
| Industry Standard | IEEE 802.3z 1000BASE-SX |
| Material | Aluminium |
| Performance | |
| Maximum Data Transfer Rate | 1.25Gbps |
| Fibre Type | Multimode |
| Wavelength | 850nm |
| Maximum Distance | 550m |
| DDM | Yes |
| Power Consumption | <1W |
| MTBF | 3,381,761 hours |
| Connectors | |
| Connector A | SFP slot |
| Connector B | LC duplex fibre |
| Environmental | |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Physical Characteristics | |
| Dimensions | 57 × 14 × 13mm |
| Weight | 18g |
| What's in the Box | |
| Included | 1 × SFP transceiver module |
Sources: https://www.devicedeal.com.au/startech-hp-j4858c-compatible-sfp-transceiver-modu~155175 and https://www.startech.com/
| SKU | J4858CST |
| Barcode # | 65030865289 |
| Brand | Startech |
| Shipping Weight | 0.0500kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.110m |
| Shipping Cubic | 0.000550000m3 |
This Australian-version product is supplied by DeviceDeal and is covered by the limited lifetime manufacturer warranty term listed for this exact product.
- Keep your DeviceDeal tax invoice as proof of purchase.
- Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
- Warranty service does not replace rights that may apply under Australian Consumer Law.
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