Title: Hardware Installation Guide.pdf
Communications 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)0 1 2 3 4 5 6 7 8 9 * #0 1 2 3 4 5 6 7 8 9 * #Up to 32 Dual Reader Interface Modules (64 readers)Up to 16 Output Control Modules Up to 16 Alarm Input Control Modulesrevision 6 — 325LNL-1300 Single Reader Interface Module61.2The Single Reader Interface Module Board (Series 2)