
Configuring and Maintaining the FC-21ETH,
FC-22ETH and FC-24ETH
8 Configuring and Maintaining the FC-21ETH,
FC-22ETH and FC-24ETH
This section describes:
Selecting the RS-232 or RS-485 Port (see Section 8.1)
Terminating the RS-485 bus (see Section 8.2)
Activating DHCP (see Section 8.3)
Resetting to the factory default settings (see Section 8.4)
Upgrading the firmware (see Section 8.5)
8.1 Selecting the RS-232 or RS-485 Serial Port
The 3-pin Serial terminal block can be used as either an RS-232 or as an RS-485
port.
To set the Serial port as an RS-232 port:
Release the RS-232/RS-485 button on the rear panel.
The Serial RS-232 LED lights
To set the Serial port as an RS-485 port:
Depress the RS-232/RS-485 button on the rear panel.
The Serial RS-485 LED lights
8.2 Terminating the RS-485 Bus
The devices at both ends of the RS-485 chain must be terminated; all other
devices in the chain must be left unterminated.
To terminate the RS-485 bus:
Slide the RS-485 Term switch down
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