Siemens Apogee P1 Technical Manual page 13

Note: The NETWORK LED can only be in the ON state when the MODULE LED is ON
Siemens APOGEE P1 Communications Interface
Network LED
This indicates the state of the connected network.
Network LED Indication
OFF
FLASH
LONG FLASH
ON
continuously, indicating that the Option is ready for external communications.
Description
NOT READY/DISABLED: Initialising.
IDLE: No data is being received from Network Control
Module.
SOFT TIMEOUT: Drive not addressed in the last 10 seconds.
OK: Device has been addressed.
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