GENERIC TRANSCEIVERS
DWDM-10G-SFP-20-80KM-ADT -- GENERIC TRANSCEIVERS -- SFP, 10G, 80KM
A nice touch for the 791909-1 is the built-in fuse for overload protection.
DWDM-10G-SFP-20-80KM-CIS -- GENERIC TRANSCEIVERS -- 10G, CH20, 80KM
The Oil Equipment Mfg 4171 model is a common sight in facilities that value longevity over flash.