LED Indicators
Original instructions
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LED Indicators
The TSX ETC 100 displays the following LED indicators:
LED Descriptions
Use the LED display to diagnose the state of the module, as follows:
LED
Color
Description
RUN
Green
  • Off: Indicates that the module is not communicating with the CPU over the backplane.
  • Steady Green: Indicates that the module is communicating with the CPU over the backplane.
ERR
Red
  • Off:
    • Power is not being supplied to the module.
    • The module is running a self test.
    • The module is ready to start operating.
  • Steady Red:
    • The module is not operational.
    • A software operation error has occurred, causing a re-initialization.
  • Flashing Red: The module is not configured or is being configured.
STS
Yellow
  • Off:
    • Power is not being supplied to the module.
    • The module is not ready to start operating.
    • The module is ready to start operating.
  • Steady Yellow:
    • The module is running a self test.
    • A software operation error has occurred causing a re-initialization.
    • The module is configured and operational.
  • Steady or Flashing Yellow The module is not configured or is being configured.
The STS LED also provides diagnostic information by using the following sequence of flashes.
  • Two flashes: The module does not have a MAC address.
  • Three flashes: The Ethernet link is not connected.
  • Four flashes: The module has detected a duplicate IP address.
  • Five flashes: The module is configured as a BOOTP client and is waiting for a BOOTP server response.
  • Six flashes: The module is using its default IP configuration (the module is not configured.)
  • Seven flashes: The module has detected a configuration error.
Note: If more then one of the above conditions is detected, the module will display the condition with the smaller flashing sequence.
COL
Red
  • Flashing Red: A collision has been detected on the Ethernet link.
RX (Reception Activity)
Yellow
  • Off: There is no reception activity.
  • Flashes Yellow: Indicates reception activity.
TX (Transmission Activity)
Yellow
  • Off: There is no transmission activity.
  • Flashes Yellow: Indicates transmission activity.
Mod Status (Module Status)
Green/ Red
  • Off: Power is not being supplied to the module.
  • Steady Green: The module is operating normally.
  • Flashing Green: The module has not been configured.
  • Steady Red: The module has detected a major fault.
  • Flashing Red: The module has detected a recoverable fault.
Net Status (Network Status)
Green/ Red
  • Off: Power is not being supplied to the module or the module does not have an IP address assigned.
  • Steady Green: The module has established at least one CIP connection.
  • Flashing Green: The module has obtained an IP address but has not established any CIP connections.
  • Steady Red: The module has detected that its IP address is a duplicate IP address.
  • Flashing Red: One or more CIP connections has timed out and the connection(s) need to be re-established or the module has been reset.