Epson RC90

2. Installation
156 RC700 / RC90 Option Fieldbus I/O Rev.14
LED
Color
State
Description
LINK
Ch0 & Ch1
LED green
 (green) ON
The device is linked to the Ethernet.

(OFF)
OFF
The device has no link to Ethernet.
ACT
Ch0 & Ch1
LED yellow
(yellow)
Flickering
(load dependent)
The device sends/receives Ethernet frames.
 (OFF) OFF
The device does not send/receive Ethernet frame.
LED state
Description
Blinking (1 Hz)
The indicator turns ON and OFF with a frequency of 1 Hz.
Turn ON for 500 ms, followed turn OFF for 500 ms.
Flickering
(load dependent)
The indicator turns ON and OFF with a frequency of approx. 10Hz to indicate high
Ethernet activity. Turn ON for approx. 50 ms, followed turn OFF for 50 ms.
The indicator turns ON and OFF in irregular intervals to indicate low Ethernet
activity.