Honeywell NetAXS NX4S1 - RS-232 Short Haul Modem Connection

NetAXS™ NX4S1 Installation
Installation
NetAXS Access Control Unit NX4S1 Installation Guide, Document 800-00008, Revision A 25
The following figure shows the default downstream I/O system configuration with communication and
power wiring. This configuration has not been reviewed by UL.
Figure 15: Default Downstream I/O Configuration with Wiring