This Cisco GLC-BX-D compatible SFP transceiver provides 1000Base-BX throughput over single-mode fiber (SMF) at a bidirectional wavelength of 1490 nmTx and 1310 nmRx, using an LC connector. This bidirectional unit must be used with another transceiver or network appliance of complimenting wavelengths. This easy-to-install, hot-swappable transceiver has been programmed, uniquely serialized and data-traffic and application proven to ensure, that it will initialize and perform. It is built to meet or exceed the specifications of Cisco, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. This transceiver is Trade Agreements Act (TAA) compliant.