The ISP825XSM is a member of the Isocom series of switches and transceivers. It is part of a family of high-speed Smart Serial modules that contain physical interfaces with a custom protocol. The ISP825XSM is a single-mode switch and transceiver with an 8.5 Gbps data rate. It is configured to handle a programmable number of channels, with each channel providing an independent data path. The transceiver supports a range of digital optical modulation formats, including NRZ and PAM4, and has a low latency architecture for process time optimization. The switch supports flexible interfacing for SDH/SONET, Ethernet and Fibre Channel networks, as well as other communication protocols, allowing for efficient data transmission. This switch and transceiver is one of Isocom's most advanced products, offering flexibility and robust performance.