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Small rectangular SFP transceiver module with LC connector port, matte metal finish

HP

HP JD119B X120 SFP Transceiver 1000base-lx LC

SKU CH-1M02-850ED

SFP transceiver module delivers 1 Gbps over 1000base-lx with LC connector

  • Device TypeTransceiver
  • Gigabit Ethernet link at 1 Gbps data rate
  • 1000base-lx long-wavelength optics for single-mode fibre
  • LC duplex connector ensures secure fibre patching
  • Hot-pluggable SFP mini-GBIC form factor fits standard slots
  • HP JD119B X120 module validated for compatible network gear

HP JD119B X120 Transceiver

The HP JD119B X120 is a plug-in SFP transceiver module built for Gigabit Ethernet links. It targets network engineers and system integrators who need a hot-swappable optics solution for long-reach single-mode fibre runs.

LC Connector and 1000base-lx Cabling

The module ships with an LC duplex interface tuned for 1000base-lx signalling, so installers can patch directly into standard single-mode patch cords without adapters. Its plug-in enclosure slides into any SFP mini-GBIC slot, requiring no extra brackets or configuration tools.

1 Gbps Data Rate Headroom

At a 1 Gbps line rate the transceiver comfortably handles campus backbone links and metro-access circuits within the 1000base-lx reach envelope. It runs out of headroom when aggregate throughput demands exceed the single Gigabit Ethernet channel or when multimode fibre plants replace the specified single-mode infrastructure.

Highlights

  • Gigabit Ethernet link at 1 Gbps data rate
  • 1000base-lx long-wavelength optics for single-mode fibre
  • LC duplex connector ensures secure fibre patching
  • Hot-pluggable SFP mini-GBIC form factor fits standard slots
  • HP JD119B X120 module validated for compatible network gear

Specifications

Device TypeTransceiver

Questions about this item

How often does the LC connector on the JD119B need cleaning or replacement?

The LC connector on this SFP module is a passive optical interface. It requires no scheduled replacement; clean the ferrule with a lint-free wipe and isopropyl alcohol only when inserting or removing cables.

What limits the 1 Gbps link on the X120 during sustained traffic?

The 1000base-lx standard caps the data rate at 1 Gbps full-duplex. The bottleneck is the Gigabit Ethernet protocol itself, not the transceiver.

Does the JD119B generate noticeable heat or noise when running continuously?

As a passive plug-in module with no fan or active cooling, the X120 operates silently. Heat output is minimal and handled by the host switch's airflow.

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