-13-
No.EX##-OME0015-C
LED indication and settings
○
LED display
EX120-SDN1 (-X2/-X26/-X77)
EX124D-SDN1
(-X2/-X26/-X77)
EX121-SDN1 (-X2/-X26/-X77)
EX124U-SDN1
(-X2/-X26/-X77)
EX122-SDN1 (-X2/-X26/-X77)
LED
Display
PWR
Green LED is ON when power for communication is supplied.
LED is off
The unit is not on-line or the power supply for communication is off.
Green flashing
Connection stand-by (on-line status)
Green On
Connection established (on-line status)
Red flashing
Connection time-out (recoverable communication error)
MOD/NET
Red On
MAC ID duplication error or BUS OFF error (serious communication error)