CCI-22
The CCI-22 is a dual partyline ring interface module that supports Clear-Com signaling to and from the matrix.

FOR-22
The FOR-22 is a dual 4-wire/2-way radio relay control interface module with two 4-wire circuit connections to Eclipse HX.

RLY-6
The RLY-6 is a 6-way relay control interface module with 6 single pole, double throw (SPDT) relay output connections to Eclipse HX.