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MP 700 Series GPS AT Command Reference
Note: If you are developing a
network application to control or
monitor MP 700 Series GPS
modems installed in a fleet of
vehicles, it is usually best to use
Always On mode. (With On
Demand mode, it can be difficult
to track the modems’ IP
addresses.)
Note: The AT command
AT!MPOPMODE is used to set
the operating mode.
Modem-to-network connection
The operating mode determines how the modem-to-network
connection is established. In
Always On mode, the modem-to-
network connection is established whenever the modem is
powered and GPRS/EDGE service is available. In
On Demand
mode, the modem-to-network connection is established only
when the host-to-modem connection is requested.
Regardless of the operating mode, the modem-to-network
connection is established as needed, if the modem has been
configured to send MTP data. (See the
AT!MPMTCONF
command on page 50.)
Host-to-modem connection
The MP 700 Series GPS supports serial and USB host connec-
tions. To issue AT commands to the modem, the serial
connection is required. Having a USB connection in addition to
the serial connection has two main advantages:
• USB provides a higher data rate between the host and the
modem
• With a USB connection, the modem connects instantly to
the network on startup. With only a serial connection, you
must establish the connection using Watcher or Windows
DUN (Dial-Up Networking.) With a USB host connection,
and the operating mode set to
Always On, it is not necessary
to run Watcher or DUN to make connections.
If you intend to have both a serial and USB connection, you
must install the modem using the USB option. (When you
install the modem software, you are prompted to indicate
whether you are using a serial or USB connection. When you
select the USB option, both the serial and USB drivers are
installed.) If you install the modem using the serial option and
then connect a USB cable, the host computer will not be able to
communicate with the modem.
Modem modes, states, and
conditions
This document uses the words mode (circuit-switched data,
packet-switched data, fax, or voice), state (command or data), and
condition (online or offline)
to describe the modem’s operational
status.
14 2130309
- AT Command Reference 1
- Important Notice 3
- Safety and Hazards 3
- Limitation of 3
- Liability 3
- Patents 4
- Copyright 4
- Trademarks 4
- Contact 5
- Information 5
- 4 2130309 6
- Table of Contents 7
- 6 2130309 8
- 1: About This Guide 9
- Currency 10
- Document Structure 11
- Conventions 11
- 2: Modem Basics 13
- Establishing a communication 14
- Host connection basics 15
- Modem modes, states, and 16
- Connection Modes 17
- Conditions 17
- State Transitions 18
- Modem Buffers 19
- Command Handling 20
- Responses and Result Codes 21
- Response and Result Framing 22
- GPS data format 23
- 22 2130309 24
- 3: Command Reference 25
- Command Types 26
- Rev 3.2 Oct.05 25 27
- Commands (GSM 07.07) 28
- SMS Commands (GSM 07.05) 29
- GPRS Packet Data Commands 30
- (GSM 07.07) 30
- EDGE Data Commands 30
- Modem Control Commands 31
- 30 2130309 32
- Command Reference Table 33
- "<input 35
- ", "<unit 35
- ",<zero 35
- Rev 3.2 Oct.05 37 39
- 32 character string 43
- 32 characters (0-9, #, *) 43
- "TAIP command"> 44
- " >QST<" 44
- Rev 3.2 Oct.05 43 45
- 44 2130309 46
- 46 2130309 48
- • <protocol>=1 NMEA 48
- Rev 3.2 Oct.05 47 49
- 48 2130309 50
- 50 2130309 52
- Rev 3.2 Oct.05 57 59
- 64 2130309 66
- • <class>=B Class B 66
- Rev 3.2 Oct.05 65 67
- 66 2130309 68
- Rev 3.2 Oct.05 67 69
- 68 2130309 70
- 70 2130309 72
- <PDU data> 79
- <message text> 79
- <pdu data> 80
- Rev 3.2 Oct.05 79 81
- 80 2130309 82
- Rev 3.2 Oct.05 81 83
- 88 2130309 90
- Rev 3.2 Oct.05 89 91
- 92 2130309 94
- Rev 3.2 Oct.05 93 95
- Command Reference 101
- Rev 3.2 Oct.05 99 101
- 102 2130309 104
- Status Registers 106
- Rev 3.2 Oct.05 105 107
- Result Codes 108
- Factory Default Settings 109
- 108 2130309 110
- Appendix A: ASCII Table 111
- 110 2130309 112
- Rev 3.2 Oct.05 111 113
- Rev 3.2 Oct.05 112 114
- Rev 3.2 Oct.05 113 115
- Rev 3.2 Oct.05 114 116
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