Specifications

4.3 Indicators
The following chart displays indicator information.
Figure 4-1. SEM-4020 Indicators
Indication Description Probable Cause Recommended Action
OFF Port Transmit Indicator
{Green}
Normal Condition Not Transmitting
ON Port Transmit Indicator
{Green}
Normal Condition Transmitting
OFF Port Receive Indicator
{Red}
Normal Condition Not Receiving
ON Port Receive Indicator
{Red}
Normal Condition Receiving
OFF PGM {Programming} Normal Condition The SEM is not in Program
Mode.
ON Solid PGM {Programming} Programming The SEM is in Program
Mode.
Blinking PGM {Programming} Maintenance Forces Active The SEM has Maintenance
Forces Active.
If necessary remove
Maintenance Forces.
Blinking Slow COM {Communications,
Green}
Normal Condition The SEM is Running.
Blinking Fast COM {Communications,
Green}
Normal Condition The SEM is Receiving
Animation Data or
Commands from the ICM.
OFF COM {Communications,
Green}
Abnormal Condition The SEM is NOT Running 1) Make certain that the
SEM is fully seated in its
slot.
or 2) Make certain that the
Module Rack is Powered,
and Turned on.
ON Solid COM {Communications,
Green}
3) Make certain ICM is
running, & no downloads,
are occurring.