Network adapters using 1PPS require the appropriate 1PPS adapter bracket and cable assembly. See PPS Support.
The PPS IN and PPS OUT connectors on the bracket are SSMB. An SSMB to SMA adapter is provided as part of the PPS kit.
A 50Ω coaxial cable or standard SMA 50Ω connector and coaxial cable assembly is required to connect with the PPS pulse source.