Elproma Elektronika Sp. z o.o.
ul. Szymanowskiego 13
05-092 Łomianki k/Warszawy
E-mail:
Tel. +48 (22) 751 76 80
www.teleorigin.com
18
8.4.
Status of the modem (LEDs)
The operational status of the RB865io Terminal is signalized by external LEDs placed
on the front panel of the modem.
The table below shows what is the meaning of LEDs.
LED
status
LED
name
LED colour
Status description
GPRS
blue
Lights when GPRS connection is established
on
GSM
orange
Shows the RF activity of GSM module
PWR
green
Modem is on
GPRS
none
No GPRS connection is established
off
GSM
none
Terminal has no connection with GSM
network
PWR
none
Modem is off
8.5.
Disabling and enabling echo function
If echo is not displayed when entering AT command, that means:
The local echo function in software (such as Hyperterminal) is disabled
The echo function of the modem is disabled
To enable echo function of the modem enter
ATE1
command.
In Machine to Machine communication it is recommended to disable echo function
(type
ATE0
) in order to avoid useless CPU processing.
For further information about
AT
commands and their usage, refer to [1] / [2].
