Serial Port Electrical Isolation - GE PACSystems RX7i Reference Manual

5.2.4 Serial Port Electrical Isolation

Some serial communication ports are isolated, while others are not, as indicated in the following table:
Family Model
RX3i CPU310
CPU315
CPU320/CRU320
CPE302/CPE305
CPE310
CPE330
CPE400
RX7i CPE010
CPE020/CRE020
CPE030/CRE030
CPE040/CRE040
GFK-2222AD
COM1
Non-Isolated
Non-Isolated
Non-Isolated
Non-Isolated
Non-Isolated
N/A
Non-Isolated
Optocoupler Isolated
Optocoupler Isolated
Optocoupler Isolated
Optocoupler Isolated
April 2018
Chapter 5. Communications
COM2
Non-Isolated
Non-Isolated
Non-Isolated
N/A
Non-Isolated
N/A
N/A
Optocoupler Isolated
Optocoupler Isolated
Optocoupler Isolated
Optocoupler Isolated
COM3
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Optocoupler Isolated
Optocoupler Isolated
Optocoupler Isolated
Optocoupler Isolated
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