ICP DAS USA M-4132 User Manual page 11

2.2.2 RS-485 connection
The RS-485 wiring diagram is shown in figure 6.
2.2.3 Ethernet connection
The M-4132 module is based on a client-server architecture model.
When the M-4132 works as a server in Internet, it should set the
firewall before the M-4132 module appropriately or else the client will
not connect to the server.
M-4132 User Manual (Version 1.60, May/2014)
M-4132
RS-232 Port
Figure5: "5-wire" RS-232 (M-4132 to DTE)
M-4132
RS-485 Port
Figure 6: RS-485 connection
DTE
RS-232 Port
RS-485 Port
RS-485 Port
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