The SW-1 A/B switch is for I.F. switching in Trilithic's EASy system.
Trilithic's SW-4 I.F. switch is a local contact closure designed for use in the Trilithic EASy system.
The SW-6 by Trilithic is a TTL controlled switch with two independent SPDT contact closures.
Trilithic's SW-IP is a network IP contact closure switch for remote switching in digital systems.
