Kramer FC-21ETH, User Manual

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Configuring and Maintaining the FC-21ETH,
FC-22ETH and FC-24ETH
33
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