Title: Hardware Installation Guide.pdf
2-WIRE MULTIDROP RS-485 FROM HOST (Maximum of 8 control panels)TR1+, 1le n a P C S0 0 s s e r d d ATR1-R1 +R1 -IGNDTR1+, 2l1 0TR1-e n a P C SIs s e r d d AR1 +R1 -GND2 3 5DB9-pin Connector (Jumper Wires 4,6,8 Together)TO CONTROL ROCKET PORT HO-2062 COMBO BOARD (PORTS 1 AND/OR 2)Wire Configuration – Switch #5 must be off for all panels in this configuration.Panel 1Panel 2JumperSettingJumperSettingJ7, J8OffJ7, J8OnJ9, J10, J11, J12, J13RS-485J9, J10, J11, J12, J13RS-485J142-wireJ142-wire82 — revision 6Hardware Installation Guide14.1.3Downstream Device CommunicationThe ISC can be configured to communicate downstream with up to 16 input/output devices, using Port 2, Port 3, Port 4, and Port 5. Each of these ports can be wired only as an RS-485 interface, for multi-drop communication on a single bus of up to 4000 feet.