TN-J48xxC Series

HP Compatible SFP Modules
1000Base-X (LC)

Applications include: Gigabit Ethernet Switches and Routers, Fiber Channel Switch Infrastructure, xDSL Applications, and Metro Edge Switching.

NDAA Compliant

TN-J48xxC Series Overview


  • Hot-Pluggable SFP Optical Transceiver with Duplex LC Connector
  • Compliant with SFP Multi-Sourcing Agreement (MSA)
  • Compliant with 1000Base-SX (TN-J4858C Module Only)
  • Compliant with 1000Base-LX (TN-J4859C Module Only)

TN-J48xxC Series Tech Specs


  • IEEE 802.3z
  • IEEE 802.3


  • Width: 0.52” [13 mm]
  • Depth: 2.2” [56 mm]
  • Height: 0.33” [8 mm]

Power Input

  • 3.3V


  • Operating: 0°C to 70°C
  • Storage: -40°C to 85°C


  • IEC-60825, FDA 21, CFR 1040.10 and 1040.11


  • Lifetime

TN-J48xxC Series Downloads

Additional Product Information

Note: Some Documentation may have Transition Networks named or pictured. Transition Networks was acquired by Lantronix in August 2021. Learn more about the acquisition here.

Lantronix Part # Name Description Order Now
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Lantronix Part #
TN-J48xxC Series

1000Base-SX 850nm (LC) multimode [62.5/125 μm fiber: 220 m/722 ft.] [50/125 μm fiber: 550 m/1804 ft.] Link Budget: 9.0 dB

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Lantronix Part #
TN-J48xxC Series

1000Base-LX 1310nm (LC) single mode [20 km/12.4 mi.] Link Budget: 16.0 dB

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