Camden has combined the industry leading features of our CX-12 Switch Network, including easy system interconnection, and our CX-22 Dual Function Relay, providing bi-directional door sequencing and basic restroom control. CX-12 Plus Door Interface Relay has 8 programming modes with (3) adjustable time delays, each up to 30 seconds. There are (2) Dry and (2) Wet inputs, with (2) SPDT Form 'C' outputs.The release of CX-12 Plus Door Interface Relay makes CX-12 and CX-22 model relays obsolete.Designed for easy interconnection of automatic doors with access control, time control, telephone entry and fire alarm systemsBi-directional sequencing of two door operators in vestibule applicationsNew ?PLUS? feature supports basic restroom control (locked & unlocked)8 Programming modes with (3) adjustable time delays, each up to 30 seconds(2) Dry, (2) Wet inputs, and (2) SPDT Form ?C? outputsMomentary, maintained and latching (ratchet or alternative action) relay operationCompact design fits anywhere