GPS Receiver won't work :( Please help!

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I have just got a Rikaline 6010 GPS unit, and make a cable that go's from the Ps/2 Connector to the XDA connector.. the GPS powers on, but Tomtom doesn't appear to be getting any data, on the GPS screen the little Satellite - - - PDA area is not showing any data being sent/received.
The PDA works fine, as I have it hooked up to my Digitraveler (Rikaline is for my dad)
I have tried selecting TomTom GPS Receiver, Rikaline 6010, NMEA 4800 from the GPS menu but none of them work
Rikaline have the Pinout in their manual: http://www.rikaline.com/download/GPS-6010-Manual-E.pdf
I have the RS232 TX & RX connected to Pin 8 & 10 on the XDA connector.
GND is on Pin 5 of the XDA connector, and +5 is taken from cigarette lighter.

Is this correct ?
Should I be using the TTL connections instead ? where would they go on the XDA ?

Many Thanks
Neil

Have you tried reversing the tx/rx connections, worth a try? How are you powering the gps?

GPS is being powered from ciggy lighter in the car, I've just made a PC cable and tried using some diagnostic software to read the raw data from the GPS and nothing
I think the unit may be knackered...

Well..... what do ya know! I thought what the hell.. i'll swap the data leads round and see if it makes any difference even though both cables were wired EXACTLY as is shown in the GPS manual. But IT WORKS!!
The unit can seem to hold a lock though, I will get one in about 20 secs if I unplug it and then plug back in, but after a minute or so it drops and never gets a lock again.
Could it be that the ciggy lighter (one supposed to be used to charge XDA) is not powerfull enough to do the XDA and GPS (the GPS doesn't appear to actually turn off when its losing the lock)

Cheers
Neil

Is it possible for you just to feed the gps with power using that adaptor? You could switch off power management on the xda temporarily so it stays on while experimenting.

Ok it doesn't appear to be a power thing, as the GPS does exactly the same thing when using my laptop, it will get a lock and hold the lock for exactly 2 minutes then the unit appears to power cycle as it loses all signal.

Certainly sounds like a component failure, can you return it or is it cannibalised?

Sent it back this afternoon, the unit has not been touched. Just made the XDA > Male PS/2 Connector, so hopefully it will work when the new one comes

ive also got the same uit and struggling to get it working i have tried to swapp the pins around too but nothing gps powers up and works fine but its not senidng data to the xda

looking at the datasheet i have connected the Rx RS-232 and Tx RS-232 to the pins 8 and 10 are they the right RX/TX's? as there are Rx TTL and Tx TTL too?

lmk cheers :\

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works ok with only one cobination but it shows the dots going to the pda on the gps screen but it stops after about 4-6 little dots then doesnt do nothing

HEEELLLP!!!! lol dont tell me i brought yet another bluddy gps and it dont want to work with my xda