HPE S2P31A 10GBASE-LR SFP+ LC Single-Mode Transceiver

Overview

The S2P31A is HPE Aruba Networking's 10G LR SFP+ transceiver engineered for long-reach single-mode fiber runs up to 10km — the right optic when your uplink or inter-building backbone spans distances that short-reach SR modules can't cover. Its LC duplex connector seats directly into C-Class-compatible SFP+ cages without adapters, keeping the install straightforward on supported HPE Aruba Networking infrastructure. If you're designing a campus distribution layer or connecting IDF closets to a central MDF across a fiber plant, the S2P31A fills the long-haul 10G slot where multi-mode optics simply run out of budget. It belongs in the same conversation as network switches and SFP transceivers whenever single-mode backbone fiber is already in conduit.

Compatibility

The S2P31A carries HPE's C-Class designation, meaning it is validated for HPE Aruba Networking C-Class switching platforms. Confirm your specific switch model accepts C-Class SFP+ modules before ordering — HPE's switch compatibility matrices distinguish C-Class from J-Class and X-Class optics, and mixing classes on the wrong platform will produce a module-unsupported error at boot. Consult your network planning guide or HPE's transceiver compatibility tool with your exact switch part number. The LC duplex interface requires OS2 single-mode fiber terminated to LC on both ends; verify patch panel terminations before the transceiver arrives on site. If your run is under 300m on OM3/OM4 multi-mode plant, a 10GBASE-SR SFP+ is the cost-appropriate choice instead — see the broader SFP transceiver category for SR variants.