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4.2.3. Termination resistor on RS485 data communication line
On the communication line 485, a termination resistor of 120 Ohm can be used on the first and last peripheral of the line
to avoid any signal interference (for more details refer to the "DATA LINE DESCRIPTION" chapter in the "Parking System:
Fundamentals" manual).
ControllerPlus is equipped with two connectors to enable this resistor:
Connector
Figure
Description
CN8
Use this connector and move the relevant Jum-
per (the resistance is disabled by default), if the
board is a "Slave" connected on the 485 network
to the Management System or subnet to a "Ma-
ster" board.
CN6
Use this connector and move the relevant Jum-
per, (disabled by default), if the board is "Master"
in a stand-alone system.
Ver. 1.0 - 21st Nov. 2014 - ENG
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