Title: Hardware Installation Guide.pdf
ISC panels can be multidropped on the RS- 485 line using this configuration.5 2 37 3 2U15DB 9 Pin MaleDB 25 Pin FemaleJ 3J 2J 42 MEG9 or 25 Pin Connector Workstation (PC)6 JU17U16LITHIUM3VBR2325PNRE VSNrevision 6 — 233ISC Communications40.12Configuring Two LNL-838A RS-232 to RS-485 ConvertersUse the following information to set up black boxes LNL-838A (LD485A).40.12.1Black Box Settings for 2-wire RS-485 ConfigurationJumpersW5 should be on A-B to set RTS/CTS. W8 should be on B-C to set 2-wire W9 should be on C to set 0-msec W15 should be on B-C to set DATA Enabled W16 should be on B to set 0.1 msec Turn Around Delay. This may need to be changed depending on the distance of the RS-485 line. Refer to the Black Box manual. W17 should be on D to set 0.15 ms Driver Enable Hold W19 - NO JUMPER. This is for testing purposes only. XW1A - Jumper-block must be installed here to set DCE Emulation Mode.Switches