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Cisco GLC-BX-D Compatible 1000BASE-BX-D BiDi SFP Transceiver SMF LC Simplex 1490nm-TX/1310nm-RX with DOM - 10km - PI Manufacturing
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Amazon.com: for Cisco GLC-BX-U and GLC-BX-D 1.25G SFP Module BIDI WDM Transceiver 10-20KM Simplex LC (1Pair) : Electronics
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