This is price for 1 piece, if you want one pair, please order 2 pcs.
You can paired with 1F?E or 2F?E.
Can mounted and power supplied centrally on 2U rack.
If only want one piece, please tell us you need A -side (sender) or B -side(receiver)?
A-side default wavelength 1310
B-side default wavelength 1550