
PRIma Gate
8
GSM peripheral Board
The GSM board contains four GSM modules, circuits for their connection to the PCM bus,
and DTMF receivers. The board is designed on a 4-layer PCB of the size of 280x100mm.
Four antenna connectors and 4 GSM status indicators are located on the front panel.
Possible statuses of indication LED diodes
Possible statuses of indication LED diodes
Possible statuses of indication LED diodes
Possible statuses of indication LED diodes
LED Color
Description
NONE
Module is Not configured
GREEN LIGHT
Connection in process (call)
GREEN FLASH
Module logged in the network, rest conditionon
Signal quality flash: 1 per 4 sec the lowest
5 per 4 sec the highest
RED LIGHT
GSM module is not presented
RED FLASH
other ERRORs see Error states
ORANGE LIGHT
SMS comunication
ORANGE FLASH
ERROR fast flash Initialization
slow flash No Network
Содержание PRIma Gate
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