50 994-0155-1.00-1 GE Information
Each serial port has LED activity (Tx/Rx) indicators on the front panel:
• Tx Activity (Green)
• Rx Activity (Red)
The serial ports are isolated from the rest of the system at 1.5KV AC / 2.1KV DC.
The serial ports support the following communication modes:
• RS232
• RS485 2-Wire
For every port an Rx Termination Resistor of 120 Ohms can be enabled through the software interface.
The pin assignment of the Serial Interfaces is dependent on the operation mode selected for the interface:
Table 19: RJ45 Pin outs for Serial Port Signals
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