Performance
Wavelength	1310 nm
Compatible products	Cisco ME 3400, Cisco Catalyst 3750
Cable type	Single-mode
Maximum transfer distance	40000 m
Fiber cable diameters supported	G.652
Source data-sheet	Icecat.biz
Hot-swap	Yes
Networking
Fiber ports quantity	1
Interface type	SFP
Data transfer rate (max)	1000 Mbit/s

The 1000BASE-EX SFP operates on standard single-mode fiber-optic link spans of up to 40 km in length. A 5-dB inline optical attenuator should be inserted between the fiber-optic cable and the receiving port on the SFP at each end of the link for back-to-back connectivity.