Honeywell NX4S1 Installation Guide - Page 45
RS-232 Short Haul Modem Connection
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NetAXS™ NX4S1 Installation System Configuration 5.9 RS-232 Short Haul Modem Connection One NetAXS™ Access Controller panel for each loop. It has not been reviewed by UL. Figure 25: RS-232 Short Haul Modem Connection Terminal RS-232, 50 Ft. Max. SHM-B-ASYNCH Short Haul Modem RS232 Cable MODEM PC DTE DCE (DB-9) (Straight) (Null) 2 TX 3 RX 5 Comm 2 (TX) 2 (RX) 3 (RX) or 3 (TX) 7 (GND) 7 (GND) RX + RX TX + TX GROUND (DEC/DTE) DCE DTE DN DIS RTSIDTR CONTROL (Jumper) (S2 Loopback) DIP Switch Settings S1-S5 Panel Address S6: OFF 5279.9 Foot (S2 Loopback) NetAXS (DEC/DTE) EG Panel It is recommended to Earth Ground (EG) each NetAXS enclosure individually CBL50 SHM-B-ASYNCH Short Haul Modem (RS-232 50 Ft. Max.) Male 9 Pin Male 25 Pin RTSIDTR CONTROL DN DIS (Jumper) (J1 RS-232 Connector) RS232 Cable MODEM PC (DB-9) DTE DCE (Straight) (Null) 2 TX 3 RX 5 Comm 2 (TX) 2 (RX) 3 (RX) or 3 (TX) 7 (GND) 7 (GND) NetAXS Access Control Unit NX4S1 Installation Guide, Document 800-00008, Revision A 35
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