Digital Watchdog D2365T Installationshandbuch PDF herunterladen (Seite 20)

Duet2 D2600 / Duet3 D2650 Installation Manual – EU-D2600-D2650-INST/A10/v1 - 20

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APPENDIX 1

LED Indications

The Signal Strength LEDs are Red and Green. See Fig 6, page 22.

When the Duet is not triggered, these give an indication of the GSM radio signal strength received at

the Duet. A ‘once per second’ short off-blink shows all is OK.

The Signal Strength LEDs will give a signal strength indication after the Duet has been powered for 30

seconds.

LED Green On, Red Off High received GSM signal strength

LED Red and Green On Medium received GSM signal strength

LED Red On, Green Off Low received GSM signal strength

LED Red Off, Green Off

GSM radio cannot hear any base stations,

GSM path fault or signal strength = 0

Either or both LED(s) On + short off-

blink every second

GSM radio can communicate with a local base

station, GSM path status = OK

LED Green flash once, then Red flash 3

times

Start of initialisation after a power-up or reset

Both LEDs on + Fast Flash Initialising and waiting for SIM card ready

The GSM LED is Yellow. See Fig 6, page 22.

LED off GSM Radio is not powered

LED on GSM Radio module is initialising

LED slow flashes

Module powered and communicating correctly with

GSM network

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Digital Watchdog D2365T Installationshandbuch Seite 20