4. LEDs
YHC 700
4. LEDs
YHC700 is equipped with 4 signal LEDs:
● LED 1: power supply status (always ON)
● LED 2: communication on RS 232 port (blinks when transmitting/receiving)
● LED 3: communication on RS 485 port no. 1 (blinks when transmitting/receiving)
● LED 4: communication on RS 485 port no. 2 (blinks when transmitting/receiving)
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