https://www.newegg.com/p/2S7-0877-007J2?Item=9SIAU3BK6E9084
For H3C H3C SFP-GE-LH40-SM1550-D Gigabit 10 Gigabit single-mode optical module dual fiber 40km -...
Buy For H3C H3C SFP-GE-LH40-SM1550-D Gigabit 10 Gigabit single-mode optical module dual fiber 40km with fast shipping and top-rated customer service. Newegg...
https://chimu88.en.made-in-china.com/product/SwOTyiBAlvpt/China-SFP-Ge-Lx-Sm1550-Bidi-Single-Fiber-Optical-Module-for-H-3c.html
SFP-Ge-Lx-Sm1550-Bidi Single Fiber Optical Module for H 3c - Optical Transceiver and 0231A2nh
SFP-Ge-Lx-Sm1550-Bidi Single Fiber Optical Module for H 3c, Find Details and Price about Optical Transceiver and 0231A2nh from Chongqing Chimu Technology Co.,...