HSSI, Mx serial or FSIP.
Sources for this description
Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community)FS.COM official Documentation Hub native MIB packages
Circitor
Parsed from BDCOM-INTERFACES.mib · BDCOM-INTERFACES
Source file: Download BDCOM-INTERFACES · Publisher's file
Vendor MIB copy from the Observium Community archive.
Related source files and packages:
Source file: Download BDCOM-INTERFACES.mib