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Small rectangular SFP transceiver module with LC connector port and side label

HPE Juniper Networking

HPE Juniper Networking EX-SFP-10GE-LR 740-031981 SFP transceiver 10km SMF

SKU CH-H57F-7M0T7

10 Gigabit Ethernet transceiver for 10 km single-mode fibre with LC connector

  • Device TypeTransceiver
  • 10GbE long-reach link over 10km single-mode fibre
  • 1310nm wavelength optimised for low-loss transmission
  • LC duplex connector for standard patch-panel compatibility
  • Hot-pluggable SFP+ form factor enables live insertion
  • First listed by manufacturer on 22 January 2025

Juniper EX-SFP-10GE-LR 10km Transceiver

This HPE Juniper Networking SFP+ transceiver delivers 10 Gigabit Ethernet connectivity over single-mode fibre up to 10 kilometres. It operates at a 1310 nm wavelength and uses an LC duplex connector for standard patch-cord compatibility. The module is supplied new and carries the manufacturer part number 740-031981.

Suitable Deployments and Limitations

Network engineers extending campus or metro links between buildings will find the 10 km reach appropriate. Buyers who need longer distances or multi-mode fibre support should consider alternative modules. The transceiver fits Juniper EX-series switches that accept SFP+ form-factor optics.

Deciding Specification: 10 km Single-Mode Reach

The 10 kilometre single-mode distance rating is the key parameter that determines whether this transceiver matches the link budget. Verify that the fibre path loss and connector losses stay within the module's optical budget before purchase.

Highlights

  • 10GbE long-reach link over 10km single-mode fibre
  • 1310nm wavelength optimised for low-loss transmission
  • LC duplex connector for standard patch-panel compatibility
  • Hot-pluggable SFP+ form factor enables live insertion
  • First listed by manufacturer on 22 January 2025

Specifications

Device TypeTransceiver

Questions about this item

How do I confirm the transceiver is operating correctly after installation?

Check the link status LEDs on the switch port; a solid green light indicates a healthy 10 km single-mode fibre connection at 1310 nm.

What comes in the box and what must I purchase separately?

The module itself is supplied; you will need to provide LC-terminated single-mode fibre patch cables to complete the link.

Which version should I choose for a 10 km single-mode run?

The 1310 nm LR variant with part number 740-031981 is designed specifically for 10 km SMF distances.

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