LED Descriptions
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PC Cards cifX Compact PCI, Mini PCI, Mini PCIe, PCI-104 | Installation, Operation and Hardware Description
DOC120205UM53EN | Revision 53 | English | 2019-03 | Released | Public
© Hilscher, 2008-2019
LED
Color
State
Meaning
LED green
(green)
On
The device is linked to the Ethernet.
LINK
Ch0 & Ch1
(Off)
Off
The device has no link to the Ethernet.
LED yellow
(yellow)
Flickering
(load de-
pendant)
The device sends/receives Ethernet frames.
ACT
Ch0 & Ch1
(Off)
Off
The device does not send/receive Ethernet frames.
Table 62: LED states for the EtherNet/IP Adapter protocol
LED state
Definition
Blinking
(1 Hz)
The indicator turns on and off with a frequency of 1 Hz:
“on” for 500 ms, followed by “off” for 500 ms.
Flickering
(load
dependant)
The indicator turns on and off with a frequency of approximately 10 Hz to indicate high Ethernet
activity: on for approximately 50 ms, followed by off for 50 ms. The indicator turns on and off in
irregular intervals to indicate low Ethernet activity.
Table 63: LED state definitions for the EtherNet/IP Adapter protocol
