Led descriptions – Comtrol ES8508 Series User Guide User Manual
Page 14
14 - LED Descriptions
RocketLinx ES8508 Series User Guide: 2000575 Rev. A
Hardware Installation
LED Descriptions
This subsection provides information about the ES8508 LEDs. You can also refer to
Page 128 for information about using the web user interface to remotely view LED information.
LED Name
LED On
LED Blinking
LED Off
SYS
Green: System ready
Green: Firmware loading
Power off
PWR1/2
Green: System power ready Not applicable
System not ready
R.S. (Ring
Status)
Green: Ring is normal
Amber: Abnormal Ring
Green: Ring with the wrong
port
Amber: The device's ring
port failed
Switch working in slave
mode
DO1
Relay is active and contacts
have been shorted
Not applicable
DO not activated
DI1
High digital signal is
detected
Not applicable
DI not activated
LNK/ACT
Port is linked
Port active
Port link down or port not
connected