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TEL-SERX4 technical documentation

930 bytes added, 08:01, 11 October 2020
/* Configuration */
SW6 - ON->Enables Termination Resistor RS-485-Full Duplex - Port A-D
** I2C GPIO expander (PCA9555) that is located on I2C address 0X27. I/O,0.0 -- Port A: High: RS-232, Low: RS-485 I/O,0.1 -- Port B: High: RS-232, Low: RS-485 I/O,0.2 -- Port C: High: RS-232, Low: RS-485 I/O,0.3 -- Port D: High: RS-232, Low: RS-485 I/O,0.4 -- NC I/O,0.5 -- NC I/O,0.6 -- NC I/O,0.7 -- Global: High RS-485 Half Duplex, Low: RS-485 Full Duplex  I/O,1.0 -- Port A: High RS-485 Termination enabled on Half Duplex Lines I/O,1.1 -- Port B: High RS-485 Termination enabled on Half Duplex Lines I/O,1.2 -- Port C: High RS-485 Termination enabled on Half Duplex Lines I/O,1.3 -- Port D: High RS-485 Termination enabled on Half Duplex Lines I/O,1.4 -- Port A: High RS-485 Termination enabled on Full-Duplex Lines I/O,1.5 -- Port B: High RS-485 Termination enabled on Full-Duplex Lines I/O,1.6 -- Port C: High RS-485 Termination enabled on Full-Duplex Lines I/O,1.7 -- Port D: High RS-485 Termination enabled on Full-Duplex Lines
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