46
AT+CPIN=XXXX
where XXXX means correct PIN number.
You should remember that 15 seconds after pushing the ACTIVATE button, the
module switches to a MTM communication mode and disables accepting AT
commands.
7.3. Replacing the battery
Despite the large capacity of batteries powering the MT-703 module, sometimes it
may be necessary to replace them with the new ones. It is quite easy and does not
require special preparations due to a special mechanical construction of the module. To
replace the battery you should:
remove the module cover, exposing its internal
if the module is in a stand-by mode:
– push the ACTIVATE button, thus activate the module
– wait for login the module to the GSM/GPRS network
– push the ACTIVATE button again, thus changing its mode to a stand-by
if the module is active:
– push the ACTIVATE button
disconnect the battery cable form the module board
pick-up the metal mounting plate with the module board
remove the old battery set located under the plate and replace it with the new one
pull down the metal mounting plate
reinsert the battery cable into the socket on the module board
check the process of module registration in the GSM/GPRS network
close and seal the module cover.
It is recommended to use only the battery sets offered by the module manufacturer.
ATTENTION!!!
Battery replacement must be done within 2 minutes period. If this time
is longer, all data in the counters and RTC settings are lost.
ATTENTION!!!
Due to a high level of environment protection class (IP67) it is
necessary to take a special attention when closing a module cover. A
proper placement of the module cover and strong fastening of the
screws is required.
8. Technical specifications
8.1. General
Dimensions (height x width x depth) 122 x 120 x 65 mm
(122 x 120 x 95 mm in HC version)
Weight (including batteries) 1030 g (1580 g in HC version)
Mounting method 4 holes
Operating temperature -20
0
... +50
0
C
Environment protection class IP67 (option IP68)
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