Title: Hardware Installation Guide.pdf
U1U3U5P N) 0 6 1 0 1 (.0 0 4.U2U4U6R E V7 C8 CC3C2C13.00 (76.20)Part #SizeBank1-U1,2Bank2-U3,4Bank3-U5,6LNL-1001-MK1 MB512 K x8LNL-1003-MK3 MB512 K x8512 K x8512 K x8LNL-1007-MK7 MBFixed memory108 — revision 6Hardware Installation GuideSRAM type- Low power, low volt data retention, Samsung KM684000BLP-10L (or equivalent) for the 512 K chip.20.2.3RS-485 Cable Termination from Host to ISCThe device used to convert RS-232 communication to RS-485 determines the termination necessary for this segment of the RS-485 communication bus. These communications devices, pre-bias the RS-485 signal, which marks the state of the signal being sent and allows the line to flow for reliable communications. This is true for most devices that are used for Host to ISC communications, but any device that has been approved by Lenel will indicate how termination should be configured for proper operation in its documentation.20.2.4