Description:HP ProCurve X131 10G X2 SC LR Transceiver ModuleManufacturer Part# J8437A Overview:An X2 form-factor transceiver that supports the 10-Gigabit LR standard providing 10-Gigabit connectivity up to 10 km on single-mode fiber. Specifications: CategoryProCurve Networking Sub-CategoryTransceiver GenerationX131 Part NumberJ8437A Products ID457522 ManufacturerHP Application/UsageData Networking InterfaceSC single mode Data Transfer Rate10 Gbps Form FactorPlug-in module CablingSC/UPC multi-mode Dimensions (WxHxD)3.5" x 0.4" x 1.4" Ports1 x 10GBase-LR Cabling TypeEthernet 10GBase-LR Manufacturers Specs