TL-SM311LS SFP (mini-GBIC) Module introduced for extending transfer distance, attached to managed/web smart switches. It can extend the distance to several kilometers even tens of kilometers which can basically satisfy the distance requirement of LAN.
AA1419038 E5 PCW is a 1000BASE ZX CWDM 1570nm 70km
SFP Transceiver, generic for Nortel AA1419038 E5. It is guaranteed compatible for all Nortel switch and router product lines. This transceiver can be mixed and deployed with Nortel OEM ...
The ADTRAN SFP offers a wide array of deployment options
in terms of interface speeds, distances, and transmission media. ADTRAN SFP provides the ability to add services and features as needed instead of incurring a large up front cost. ...