SFP Gigabit Transceivers Single Mode Single Strand BiDi (WDM) 20Km with SC connector product series-dust caps Pair-to-pair and power sum NEXT:

Pair-to-pair and power sum NEXT:  0 to 85 dB

slow axis alignment

Kit includes AC adapter

The QSFP-4002-IR4 is a short range single-mode 40G QSFP+ optical module compatible with the 40GBase-IR4 specifications

Interchangeable connector adapters

SFP Gigabit Transceivers Single Mode Single Strand BiDi (WDM) 20Km with SC connector product series-dust caps Pair-to-pair and power sum NEXT:SFP (miniGBIC) single strand Bi Directional (BiDi) SC optical modules are equipped with a single SC optical connector. The capacity of SFP modules is 1. 25G (Gigabit rate). The single strand BiDi (also called WDM) SFPs equipped with SC connector are available for 20Km range only, but on special order, all other distances can be provided, just like the LC based series transceivers. All single strand SFPs need a complementary model of same operating