How to use the 4 pin console to connect to Zyxel switch?
Zyxel_StevenSu
Posts: 92 
Zyxel Employee
Zyxel Employee
in Other Topics
The USB TTL cable is the cable with four pins including one pin with a triangle icon, please connect the USB TTL cable to the switch by console cable’s pin with a triangle in the place of the switch console pin with a circle icon (pin 1).
The USB TTL cable is as below image, please follow Zyxel’s console header pin definition: pin1 NA (with the circle mark), pin2 White (RX), pin3 Green (TX), pin4 Black (GND). Remember that don’t connect the red color pin to Zyxel’s console pin
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