Wavecom WMO2-G1900 Users Manual

WMO2 Modem Series

GSM 900 / 1800 / 1900

USER MANUAL

SUMMARY

1. PRODUCT DESCRIPTION 1

1.1 P ackage content 1

1.2 Product presentation 1

1.3 Physical characteristics 2

1.4 Functions - GSM Modes 2

1.5 Temperature range 2

2. INSTALLATION/START-UP 3

2.1 Mounting the modem 3

2.2 Installing the modem 3

2.3 Electrical characteristics 4

2.3.1 Switching the GSM modem on/off 4

2.3.2 Voltage range 4

2.3.3 Overvoltage/undervoltage 4

2.3.4 Power supply cable 5

2.3.5 Input/output electrical characteristics defined for all external connections 6

2.3.6 Protection/on-board network connection 6

3. DESCRIPTION OF THE INTERFACES 7

3.1 LED Function 7

3.2 Connectors 7

4. TECHNICAL DATA 11

Wavecom WMO2 Modem

SUMMARY

5. TROUBLESHOOTING: Specific defaults possibly encountered 12

5.1 The modem does not answer through the serial link 12

5.2 The modem always returns «Error» when trying to issue a communication 13

5.3 The modem always returns «No carrier» when trying to issue a communication 14

6. NOTES ON SAFETY 16

6.1 General safety 16

6.2 Vehicle safety 17

6.3 Car And Maintenance 17

6.4 Your responsibility 18

7. RF EXPOSURE INSTRUCTIONS 19

8. INSTRUCTION TO OEM 20

9. GENERAL INFORMATIONS 21

SUMMARY

Wavecom WMO2 Modem

CAUTION :

To ensure that the Modem complies with current FCC regulations limiting both maximum RF output
power and human exposure to radiofrequency radiation, a separation distance of at least 20 cm
must be maintained between the unit’s antenna and the body of the user and any nearby persons at
all times and in all applications and uses. Additionally, in mobile applications, maximum antenna
gain must not exceed 3 dBi (to comply with Section 24.232(b)) and is limited to 7dBi for fixed
applications. Finally, the tune-up procedure for the WMO2-G1900 ensures that the maximum RF
output power of the devices does not exceed 30.0dBm within the variations that can be expected
due to quantity production and testing on a statistical basis.

WARNING :

This transmitter, including its antenna, has not been approved to operate as a portable device at
less than 20 cm from persons, therefore must not be used in such configuration for complying with
FCC RF exposure requirements.

Wavecom WMO2 Modem

CAUTION - WARNING

1. PRODUCT DESCRIPTION

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The Wavecom WMO2 modem exist under three different references:

- WMO2-G900 : GSM 900 MHz version

- WMO2-G1800 : GSM 1800 MHz version

- WMO2-G1900 : GSM 1900 MHz version

1.1 Package content

The Wavecom WMO2 modem package comprises:

- 1 Modem

- 2 holding bridles

- 1 Power supply cable + fuse

- 1 User manual (this document)

1.2 Product presentation

The Wavecom WMO2 modem is a terminal for fax and data transmission, short message service mobile originated, short
message service mobile terminated and voice calls.
The connectors binded to the body guarantee output and input connections.
An extractible holder is used to insert the SIM card (Micro-SIM type). A LED indicates the operating mode.

PRODUCT DESCRIPTION

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Front cap

Wavecom WMO2 Modem 1

SUB HD
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Modem presentation

Back cap

Figure 1

LED

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Extractible
SIM holder

1.3 Physical characteristics

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1.4 Functions - GSM Modes

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1.5 Temperature range

Operating conditions : From -20°C to +55°C
Storage conditions : From -25° C to +70°C

Wavecom WMO2 Modem 2

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PRODUCT DESCRIPTION

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2 INSTALLATION/START-UP

2.1 Mounting the modem

For mounting the modem, bind to the body the holding bridles according to the schema below :

Note:

- To be attached to a plain surface

- Screw head max. height: 2mm

Holding bridles

Modem mounting

2.2 Installing the modem

To install the modem, plug the device on a DC power supply (for automotive application,
connect the device on the permanent « + » and insert the SIM card in the holder).

INSTALLATION/START-UP

Make sure that an antenna is connected.
In order to extract or to insert the Micro SIM card, it is necessary to press the SIM holder ejector with a sharp element (a pen

for example).
If this sequence is not respected, the SIM holder could be damaged.

Wavecom WMO2 Modem 3

Figure 2

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2.3 Electrical characteristics

2.3.1 Switching the GSM modem on/off

The device is permanently powered (when connected to the power supply).

2.3.2 Voltage range

Voltage range : 5 to 32V DC (GSM 900) - 6 to 32V DC (GSM 1800/1900)
GND : 0V

2.3.3 Overvoltage/undervoltage

Correct operation of the Wavecom WMO2 modem in communication mode is not guaranteed if input voltage
fall below 5V (GSM 900) - 6V (GSM 1800/1900). The modem is protected against voltage over 32V.
When input voltages exceed 32V, the supply voltage is disconnected in order to protect the electronic components from an
overvoltage.

TWO CASES ARE POSSIBLE:

- IF THE OVERVOLTAGE IS CONTINUOUS, THE PROTECTION IS GUARANTEED BY THE FUSE.

- IN THE CASE OF TRANSIENT PEAKS, THE MODEM GUARANTEES ITS OWN PROTECTION.

Wavecom WMO2 Modem 4

INSTALLATION/START-UP