> If you only need two GigE circuits, the least expensive > solution is probably standard LX/LH GBICs and passive > splitter/combiners. Available from several vendors, for instance > http://www.mrv.com/product/MRV-FD-SPLTCMB/
> Disclaimer: I have no practical experience with this product. FYI - We have one of our strands of fiber (about 40km) terminating in AFOP WDM 1550/1310 splitters with the 1550 being terminated in ZX GBICS and the 1310 in an ATM switch and it works great. Eric