Honeywell Network Hardware NETAXS-123 用户手册
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Installing the NetAXS-123 Panels
System Configuration
System Configuration
4.5 RS-485 Connections with Multidrop Panels at Both Ends of the Cable
You can connect Multidrop panels at both ends of an RS-485 cable via either a NetAXS-123 panel or a
PCI-3 device.
PCI-3 device.
Figure 16: RS-485 Connection via NetAXS-123 with Multidrop Panels at Both Ends
Note:
You should ground each NetAXS-123 Standard (Metal) Enclosure panel individually with an
Earth Ground.