Multi-Tech Systems 92U04A22760 ユーザーズマニュアル

Chapter 2 - Installation

AT+CPIN
=1234

OK

PIN Code accepted

+CME ERROR : 16

Incorrect PIN Code

Enter PIN Code

+CME ERROR : 3

PIN already entered (with +CMEE : 1
mode)

AT + CREG ? CREG = <mode>, 1

modem synchronized on the network

CREG = <mode>, 2

synchronization lost, re-synchronization
attempt

Module synchro
checking

CREG = <mode>, 0

Modem not synchronized on network.
No synchronization attempt

RING

ATA

Answer the call.

Receiving an
incoming call

OK

ATD1234;

Don’t forget the “;” at the end for “voice”
calls.

OK

Communication established

CME ERROR :11

PIN Code not entered (with +CMEE : 1
mode)

Initiate a call

CME ERROR :3

AOC credit (Advice of Charge tells the
user how much a call will cost) has been
exceeded or a communication is already
established.

Initiate an
emergency call

ATD112;

OK

Don’t forget the “;” at the end for “voice”
calls.

Communication
loss

NO CARRIER

ATH

Hang up

OK

AT&W

Store the
parameters in
non-volatile
memory

OK

The communications program has
saved the configuration settings in non-
volatile memory.