Smart Logic’s SLM family of modems provides flexible Free Space Optical (FSO) communications solutions for integration into host optical terminals. Available as embedded digital modules and complete modem assemblies, the family supports digital, optical, and combined digital/optical interfaces, with single- and multichannel configurations. Options support Space Development Agency (SDA) Optical Communications Terminal (OCT) 3.2.0 and 4.0 requirements, with compliance determined by the selected digital and electro-optical configuration.