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HP J4858C Mini-GBIC Transceiver Module View larger
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HP J4858C Mini-GBIC Transceiver Module

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HP J4858C: Mini-GBIC transceiver, Gigabit SFP, high-speed connectivity
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$54.90

  • New
  • Refurbished

Detailed Specifications

HP J4858C

Mini‑GBIC (1G SFP) Transceiver Module

The HP J4858C Mini‑GBIC Transceiver (also known as the HP X121 1G SFP LC SX) is a rugged and versatile solution for extending Gigabit Ethernet and 1G Fibre Channel links over multimode fiber.

Features

Suitable for enterprise networks, data centers, and SANs, this module delivers reliable performance at distances up to 550 m .Mounting into the SFP slot of HP Aruba, Pro Curve, and other MSA-compliant switches, routers, or SAN switches, the J4858C provides seamless network connectivity.

Advanced Options

Its 1.25 Gbps maximum data rate supports both Gigabit Ethernet and 1G Fibre Channel, while the hot-swappable form factor ensures maintenance without downtime versions guarantee out-of-box compatibility; third-party modules often include DDM for real-time diagnostics terrestrial environments

Product Key Features

  •  Gigabit 1000BASE‑SX SFP – Supports high‑speed network links over multimode fiber

  •  Up to 550 m Reach – On 50/125 µm MMF; ~220 m on 62.5/125 µm MMF

  •  850 nm Wavelength with Duplex LC Connector – Standard interface for fiber patch cable

  •  Hot‑Pluggable SFP Form Factor – Swap without shutting down or rebooting devices

  •  Compliance: MSA / IEEE 802.3z / RoHS / Class 1 Laser – Reliable safety & compatibility

  •  OEM or 3rd‑Party Versions – Including DDM-enabled options; OEM identifications ensure compatibility

Reliability & Performance

Built for reliability, the J4858C meets MSA compliance and laser safety certifications including IEC 60825‑1 and FDA Class 1Operating temperatures from 0 to 70 °C (standard) and –40 to 85 °C (industrial grade) ensure stable performance. Power consumption remains under 0.8W, and rugged housing supports

Key Features (Bullet List)

  • 1.25 Gbps line rate with 850 nm VCSEL transmitter

  • Multimode fiber support via duplex LC connector

  • Reach: up to 550 m (50 µm), 220 m (62.5 µm) fibers

  • Hot-pluggable, IEEE 802.3z compliant

  • MSA form factor; OEM and 3rd-party compatibility

  • Laser Class 1 certified; RoHS compliant

  • Optional DDM support in some compatible units

Specification :

SpecificationDetails
Model Number J4858C
Alternate Name HP X121 1G SFP LC SX
Module Type Mini‑GBIC / SFP Transceiver
Data Rate Up to 1.25 Gbps
IEEE Standard 1000BASE‑SX (IEEE 802.3z)
Wavelength 850 nm
Reach 550 m (50/125 µm), 220 m (62.5/125 µm)
Fiber Type Multimode Fiber (MMF)
Connector Duplex LC
Form Factor Hot‑pluggable SFP
Power Supply +3.3 V, < 0.8 W
DDM/DOM No (OEM); Yes in some 3rd‑party modules
Operating Temp 0 to +70 °C (standard), –40 to +85 °C (marine/industrial)
Certifications MSA, RoHS, CE, IEC60825‑1, FDA Class 1
Weight 0.04 lb (~18 g)
Dimensions (L×W×H) ~2.24″ × 0.54″ × 0.49″ (~57 × 14 × 12 mm)

  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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