Adesys SVM Series Handbuch - Seite 15

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Adesys B.V. | Wateringen

6.1.17. AT&F

AT&F resets all modem settings to the factory default. The response is OK.

6.1.18. AT&W

Store standard settings; not supported but responds with OK for compatibility.

6.1.19. AT+CSQ

Requests the RF reception quality. The value is shown on a linear scale from 0 to 31, where 0 corresponds

to no reception (0%) and 31 to maximum reception strength (100%).

6.1.20. AT+CMGS

Via the AT+CMGS command it is possible to send a text message directly.

Command: +CMGS=<Phone no><CR>

<phone no> = Telephone number recipient text message in international format ( +316... or 00316...)

<CR> = Carriage return

Afther the CR, the modem will respond with the > sign. You can now enter your text.

To close the text, enter CTRL-Z. The modem will repsond with +CMGS: 001 and an OK to indicate that the

transmission was successful. The maximum number of characters to be entered is 100, including CTRL-Z.

For example:

• AT+CMGS='+31622446098'[CR]

• > Test bericht[CTR-Z]

• +CMGS: 003[CR]

• OK

6.1.21. +++

When the modem is in data mode, +++ can be used to switch back to command mode. From command

mode the connection can be terminated, for example (see ATH). To prevent switching from taking place

too quickly, the +++ symbols should be preceded and followed by 1 second of data silence.

The modem thus switches to the command mode after: 1sec. rest, +++, 1sec. rest. The modem response is

OK. Commands can then be entered.

Appendices

7.1.

Led status indication

Number of flashes for error (red)

Number of flashes for network (orange)

Off

Constant

1x long

Faster

Manual SVM 4G modem | Back to

Problem with GSM module

No SIM card detected

Incorrect pin code

PUK code necessary

Power failure

No SMS central number / no antenna level

No telephone number coupled to input / 2G/4G connection cannot be

established / Ethernet error

Connection to external server cannot be established

No antenna

Connected to external server

Antenna level 1% < > 20%

Antenna level 21% < > 40%

Antenna level 41% < > 60%

Antenna level 61% < > 80%

Antenna level 81% < > 100%

In case of modem emulation, ring signal

Establishing connection (clientmode)

Index

Page 15