MDS9222i

you probably need to get long wave sfp for dark fibre. Here is one in have in my 9222i connected to dark fibre (DWDM)

switchA-1# show int trans
fc1/1 sfp is present 
    Name is CISCO-JDSU      
    Manufacturer's part number is JSHR42L305102   
    Revision is 0000
    Serial number is JUT1109307S     
    FC Transmitter type is long wave laser cost reduced
    FC Transmitter supports long distance link length
    Transmission medium is single mode (SM) laser
    Supported speeds are - Min speed: 1000 Mb/s, Max speed: 4000 Mb/s
    Nominal bit rate is 4300 Mb/s
    Link length supported for 9/125mm fiber is 10.100 km
    Cisco extended id is unknown (0x0)

    No tx fault, no rx loss, in sync state, diagnostic monitoring type is 0x68
    SFP Diagnostics Information:
        Temperature           :  41.82 C    
        Voltage               :   3.28 V       
        Current               :  22.53 mA         
        Optical tx power      :  -4.37 dBm        
        Optical rx power      :  -8.94 dBm        
        tx Fault count  : 0
    Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

ya this is what it seems to be , i have short wave one here ! will double check

thnx