Title: Hardware Installation Guide.pdf
Typical Downstream Communication Configuration (note where EOL terminators are required)32 Downstream Devices TotalIntelligent System ControllerDownstream Communications • Four 2-wire ports • Two 4-wire ports • Combination 2 and 4 wire portsRS-485 Multi-drop 2 or 4 wireSingle Reader Interface ModuleDual Reader Interface Module0 1 2 3 4 5 6 7 8 9 * #EOL Termination Required0 1 2 3 4 5 6 7 8 9 * #0 1 2 3 4 5 6 7 8 9 * #EOL Termination RequiredInput/Output Control Module(s)Intelligent System Controller32 Downstream Devices TotalEOL Termination RequiredRS-485 Multi-drop 2 or 4 wireDownstream Communications • Four 2-wire ports • Two 4-wire ports • Combination 2 and 4 wire portsSingle Reader Interface ModuleDual Reader Interface ModuleEOL Termination RequiredInput/Output Control Module(s)0 1 2 3 4 5 6 7 8 9 * #0 1 2 3 4 5 6 7 8 9 * #0 1 2 3 4 5 6 7 8 9 * #90 — revision 6Hardware Installation Guide16Maintenance