ProSoft Technology 5201-MNET-101S - Manual (Page 58)

Diagnostics and Troubleshooting IEC-101 Slave ♦ ProLinx Communication Gateway
Protocol Manual IEC 60870-5-101 v3 Slave (Firmware version 3.xx)
Page 58 of 159 ProSoft Technology, Inc.
August 6, 2010
4.1.2 Mini-DIN8 Serial Port
LED State Description
ERR Off Normal state. When off and Port Active LED indicates activity,
there are no communication errors.
Red On or
Flashing
Activity on this LED indicates that some communication error
was detected, either during transmit or receive. To determine
the exact error, use the Debug port procedures described in
this section.
ACT (Active) Off No activity on this port.
Flashing Green The port is either actively transmitting or receiving data.