CES GPS-205 User Manual Download Page 16

© CES Wireless Technologies Corp 

– 2007  Page 

16 of 16

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Parameter 2

0: not registered, ME is not currently searching a new operator to register to

1: registered, home network

2: not registered, but ME is currently searching a new operator to register to

3: registration denied

4: unknown

5: registered, roaming

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If the desired response is not received please discuss the programming of the SIM card 
with your cellular service provider.

If the desired response is received but there is still an issue then the GPRS Activation needs to be 
verified.

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Click on the Verify GPRS Activation button in the Query Commands section.

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The modem’s response will be “$NETIP:” followed by 3 IP Addresses. For example, the 
modem should return something similar to this:

$NETIP: "166.214.220.151", "066.102.163.232", "066.209.010.202"

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If AT$NETIP returns all zeros, send the following command: AT$CGEER. This can be 

done by typing the command into the “Command to send” field in the Other section on 
the Query Commands view. There are three common responses:

$CGEER: no PDP reject cause (Everything should be working OK)

$CGEER: requested service option not subscribed (APN is incorrect or SIM has 
not been enabled for data mode.)

$CGEER: user authentication failed (username and/or password is incorrect.)

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If these three IP Addresses are not returned received please discuss the programming of 
the SIM card with your cellular service provider. The information form the CGEER 
command may assist the carrier in determining the cause of the issue.

A2.3 Verifying the GPS205 has Acquired a GPS Satellite Fix

To verify that the GPS205 has established a acquired a GPS Satellite fix follow these steps. Please note 
that it does take a few minutes for the GPS receiver to acquire a fix the first time. After that it should 
acquire a fix fairly quickly.

Is the antenna attached?

Does the antenna have a clear view of the sky? The GPS205 cannot establish a GPS fix if the 
antenna is inside a building or if the sky is obscured by trees, buildings, tunnels, etc. It is also 
quite difficult for it to establish a fix if the antenna has only a partial view of the sky (i.e. it is near 
a window).

In the GPS205S, Select Function section select Query Commands. This selection is only 
displayed when the software is in Manual Mode.

In the Query Commands section click on the “GPS?” button.

The modem will reply in the text box at the bottom of the software. If you do not get a reply from 
the modem verify that has power (12V) and that the correct serial port is selected in the software.

Modems response: the modem responds with a series of sentences that are produced by the 

internal GPS receiver. Of particular interest is the “$GPRMC” sentence which should be the next 
to last sentence that is produced.

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“$GPRMC,,V,,,,,,,,,,N*53” is a sample of an invalid sentence.

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“$GPRMC,042159.00,A,2835.1039,N,08118.3645,W,000.0,000.0,090407,03.7,W,A*03” 
is a sample of a valid sentence.

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For information on the “GPRMC” sentence please search the internet. Entering “GPRMC 
Sentence”, without the quotes, into your favorite search engine will return the desired 
results.

Summary of Contents for GPS-205

Page 1: ...l 21 2008 GPS205 Manual v2p3 doc Revision 2 3 Copyright CES WIRELESS TECHNOLOGIES CORP 2007 The information contained in this document is subject to change without notice and should not be construed a...

Page 2: ...ing on the GPS 205 Disclaimer The information and instructions contained within this publication comply with all FCC GCF PTCRB R TTE IMEI and other applicable codes that are in effect at the time of p...

Page 3: ...3 3 Installing the SIM Subscriber Identity Module Card 10 3 4 Connecting the GSM GPRS and GPS Antenna 11 3 5 Connecting Power 11 4 0 Support 13 Appendix 1 Cable Wiring Diagrams 14 Appendix 2 Troubles...

Page 4: ...be returned to the factory freight prepaid only with prior authorization Please call 407 679 9440 for an RMA number A brief letter describing the nature of the defect should be included with the merch...

Page 5: ...1 2 About This Manual This manual contains instructions on how to install and configure the GPS 205 Please follow the instructions closely to avoid damaging the GPS 205 1 3 Basic Package Contents The...

Page 6: ...xtrusion with Metal Endcaps TX Power Class 4 2W 850 900 MHz Class 1 1W 1800 1900 MHz Frequency 850 900 1800 1900 2 2 GPRS Packet Data Mode Class B Multislot 10 Protocol GPRS Rel 97 SMG 31 Coding Schem...

Page 7: ...hoose a convenient location in the vehicle either in the trunk or interior of a vehicle Avoid locations that might expose the GPS 205 to excessive heat or moisture Hold the GPS 205 in place and mark t...

Page 8: ...tion See Figure 2 GPS 205 Mounting Brackets The mounting holes are designed for a number 10 screw Once mounting holes have been located for placement the mounting plate can be easily broken into two p...

Page 9: ...ing Cables To ensure proper operation of the GPS 205 please follow these precautions Remove power from the GPS 205 Do not create sharp bends loops or crimps in the cables Attach all cables to the vehi...

Page 10: ...nput 2 9 Input 1 10 Switched Power Ignition 11 Unswitched Power Battery 12 Ground Table 1 12 Pin I O Connector Functionality 3 3 Installing the SIM Subscriber Identity Module Card The SIM card is an i...

Page 11: ...ed to the connector labeled GPS ANT 3 5 Connecting Power The GPS 205 has an input voltage range of 9 30 V DC See Table 2 and Table 3 The power and ignition pins can support 9 30 V DC input voltage The...

Page 12: ...t met battery drains The Ignition wire has to be left open not connected GPS 205 Turns Off when Ignition Turned Off Connect the power line of the GPS 205 to an auxiliary power source i e ignition Conn...

Page 13: ...m Skype Please email support ceswireless com to obtain your currently assigned support engineer s Skype address Product support may ask you to PRINT a copy of the programmed parameters and fax to for...

Page 14: ...CES Wireless Technologies Corp 2007 Page 14 of 16 Appendix 1 Cable Wiring Diagrams Figure 4 Wiring for Power Only HRNS56 Figure 5 Wiring for Power and Serial Interface PRG 02...

Page 15: ...ted result code 2 enable network registration and location information unsolicited result code CREG o Parameter 2 0 not registered ME is not currently searching a new operator to register to 1 registe...

Page 16: ...and may assist the carrier in determining the cause of the issue A2 3 Verifying the GPS205 has Acquired a GPS Satellite Fix To verify that the GPS205 has established a acquired a GPS Satellite fix fol...

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