Title: Hardware Installation Guide.pdf
The OCM has 16 programmable output relays that can be configured for fail-safe or fail-secure. Each relay supports “On,” “Off,” and “Pulse” software commands.The series 2 board differs slightly from the series 1 boards. Where series 2 is indicated, the information only applies to series 2 boards. Otherwise, the information applies to both series 1 and 2 boards.51.1InterfacesThe Output Control Module interfaces upstream with the Intelligent System Controller.Intelligent System Controller Communications OverviewAccess Control SystemCommunications from Host to Controller RS-232, RS-485, Ethernet Dial-up, Fiber, etc...32 Downstream Devices TotalRS-485 Multi-drop 2 or 4 wireIntelligent System ControllerDownstream Communications • Four 2-wire ports • Two 4-wire ports • Combination 2 and 4 wire portsSingle Reader Interface ModuleDual Reader Interface ModuleInput/Output Control Module(s)0 1 2 3 4 5 6 7 8 9 * #Up to 32 Single Reader Interface Modules (32 readers)