This 1000Base - BX SFP transceiver is compatible with Avaya/Nortel systems and supports single - mode fiber (SMF) with a transmission distance of up to 10 kilometers. Operating at wavelengths of 1310nm for transmission and 1490nm for reception, it ensures reliable data transfer at speeds of up to 1000Mbps. The transceiver features a hot - swappable form factor, making it easy to install and replace without disrupting network operations. It is built to meet or exceed OEM specifications, guaranteeing 100% compatibility and performance. Ideal for applications requiring high - speed data transfer over long distances, this transceiver is a perfect choice for enhancing your network infrastructure.