Toshiba Multiprotocol Ethernet Interface for Toshiba G9/VFAS1 Adjustable Speed Drives ASD-G9ETH - Manual (Page 19)

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ICC
EIP Network Status / PROFINET IO Connection Status: When the multi-protocol
firmware image (with EtherNet/IP support) is loaded, this LED conforms to the
prescribed “network status LED” behavior as dictated in the EtherNet/IP
specification, Volume 2, Chapter 9. When the PROFINET IO firmware image is
loaded, this LED is on solid green when the controller has established a link with the
interface board and is communicating with it.
Ethernet Activity: Blinks green briefly when network packets are sent or received.
Heartbeat: Blinks green to indicate communication between the interface card and
the drive. Contact ICC technical support if a blinking red error code is observed.
6.2 Ethernet Jack
The Ethernet jack also contains two embedded LEDs.
Reserved
Ethernet Link
Ethernet Link: This amber LED is lit whenever a viable Ethernet network is
connected to the port.
Reserved: This green LED is currently unused and is therefore always OFF.