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Text version of the page
| Adjustable Pull High/Low Resistors for the RS-485 Port In some critical environments, you may need to add termination resistors to prevent the reflection of serial signals. When using termination resistors, it is important to set the pull high/low resistors correctly so that the electrical signal is not corrupted. The CN2600 uses jumper settings or DIP switches to set the pull high/low resistor values for each serial port. | |||||||||||||||||
| To set the pull high/low resistors to 150 KO, make sure both of the assigned DIP switches are in the OFF position. This is the default setting. | |||||||||||||||||
| To set the pull high/low resistors to 1 KO, make sure both of the assigned DIP switches are in the ON position. | |||||||||||||||||
| ATTENTION | |||||||||||||||||
| Do not use the 1 KO setting on the CN2610 when using the RS-232 interface. Doing so will degrade the RS-232 signals and shorten the maximum allowed communication distance. | |||||||||||||||||