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LED

Indication

Meaning

Server

Steady On

Connected Last transmission to the Central Data Server successful. Device is now idle

ServerFast BlinkDevice is attempting TCP/IP transmission to the server.
ServerSlow BlinkTransmission to the Central Data Server has recently failed. Device is now in FALLBACK

Comm

Steady On

Connected to the GSM Network

GSM

Steady On

Modem Powered On

Master/Slave

Slow Alternating Flash (1 sec)

Normal Operation

Master/Slave

Fast Flash (0.25 sec)

Processor Sync Error*

Master/Slave

Steady On or Off

Processor Error

Storage

Blinking

Data Read/Write from database

Storage

Steady On

Database Error

Input

Blinking

Analogue or Digital Input Event Detected

RS485

Blinking

Data Transmit/Receive on RS485 Port

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