User manual
Diagnostics and Troubleshooting PTQ-104S Rev2 ♦ Quantum Platform
User Manual IEC 60870-5-104 Server for Quantum
Page 122 of 195 ProSoft Technology, Inc.
February 22, 2013
8.2.1 Ethernet LED Indicators
LED
State
Description
Data
Off
No activity on the Ethernet port.
Green Flash
The Ethernet port is actively transmitting or receiving data.
Link
Off
No physical network connection is detected. No Ethernet
communication is possible. Check wiring and cables.
Green Solid
Physical network connection detected. This LED must be on
solid for Ethernet communication to be possible.
8.2.2 Error Status Table
The program maintains an error/status table that is transferred to the processor
in each read block. You can use the error/status data to determine the "health" of
the module. Refer to Error Status Table (page 171) for data block structure.