Optech’s Loopback Transceivers series includes 10G SFP, 40G QSFP, 25G SFP28 and 100G QSFP28. Loopback is a cost effective and high quality solutions to test transceivers ports.

    Loopback are compatible with both copper and optical 10G SFP/ 40G QSFP / 25G SFP28 / 100G QSFP28 enabled ports, they perfectly replicate the performance range of typical of a 10G SFP, 40G QSFP, 25G SFP28 and 100G QSFP28 connection between equipped adapter cards, blade servers, routers, and switches.

    10G SFP

    Part NumberModel No.PictureMedia TypeAttenuation
    (dBm)
    Temp.(℃)NoteDatasheet
    OPSFPP-T-00-PxLoopbackCopper00~80Passive
    OPSFPP-T-05-PxLoopbackCopper50~80Passive

    25G SFP28

    Part NumberModel No.PictureMedia TypeAttenuation
    (dBm)
    Temp.(℃)NoteDatasheet
    OPSF28-T-00-PXLoopbackCopper00 ~ 80Passive
    OPSF28-T-05-PXLoopbackCopper50 ~ 80Passive

    40G QSFP

    Part NumberModel No.PictureMedia TypeAttenuation
    (dBm)
    Temp.(℃)NoteDatasheet
    OPQSFP-T-00-PXLoopbackCopper00 ~ 70Passive
    OPQSFP-T-05-PXLoopbackCopper50 ~ 70Passive

    100G QSFP28

    Part NumberModel No.PictureMedia TypeAttenuation
    (dBm)
    Temp.(℃)NoteDatasheet
    OPQS28-T-00-PXLoopbackCopper00 ~ 80Passive
    OPQS28-T-05-PXLoopbackCopper50 ~ 80Passive

    400G QSFP-DD

    Part NumberModel No.PictureMedia TypePower
    Consumption(W)
    Temp.(℃)NoteDatasheet
    OPQSDD-T-00-PXLLoopbackCopper00~115Passive
    OPQSDD-T-00-PJELoopbackCopper100~115Passive
    OPQSDD-T-00-PxELoopbackCopperPromrammable
    0~15
    0~115Passive

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