AddOn 40GB-LR4-QSFP-AO -;- ADDON ENTERASYS 40GB-LR4-QSFP COMPATIBLE TAA COMPLIANT 40GBASE-LR4 QSFP+ TRANSCEIVER (SMF, 1270NM TO 1330NM, 10KM, LC, DOM) UPC Code821455076712 UNSPSC Code 43222608
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