1 selecting the rs-232 or rs-485 serial port, 2 terminating the rs-485 bus, Selecting the rs-232 or rs-485 serial port – Kramer Electronics FC-24ETH User Manual

Page 37: Terminating the rs-485 bus

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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

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