Title: Hardware Installation Guide.pdf
UL294 & UL1076 Listed ULC Listed FCC Part 15 FIPS 197 Certificate #306 CE marking RoHS compliantNote:These specifications are subject to change without notice.92 — revision 6LNL-2000 INTELLIGENT SYSTEM CONTROLLERHardware Installation Guide18Overview of the LNL-2000This installation guide is intended for use by technicians who will be installing and maintaining the LNL-2000 Intelligent System Controller (ISC).The LNL-2000 provides the real time processing for the I/O interfaces connected to it. It holds the database for the subsystem configuration and cardholders, the event log buffer in battery-backed memory.18.1InterfacesThe ISC interfaces upstream with the Access Control software on a host system and downstream with the following Lenel field hardware components.LNL-2000 Communications OverviewAccess Control SystemDual Path Communications from Host to Controller RS-232, RS-485, Ethernet, Dial-Up, Token Ring, etc...32 Downstream Devices TotalRS-485 Multi-drop 2 or 4 wire