View Full Version : 250 problem
plexo
13-10-2006, 01:20 AM
ok probably something stupid wrong that im doing, got 2 250 modems ones spare :)
anyways i have made the max233 cable just put a serial port on stripboard and put the max233ccp on to stripboard, i have 4 wires comin out to connect to the modem(i didnt have audio connector so im just soldering to the pin header but its making a good connection) anyways, i load up modem with lan or usb with or without cable feed(smac spoofing my nic mac ofcourse :) ) and go on teraterm, hyperterminal, nothng happens, tried before, after i have put power to modem, same thing, from what i can see i ihave done everything right thats why im baffled, am i missing some big sign on the tutorial that tells me to do something? like the one that says YOU MUST HAVE A MODEM TO DO THIS <-- lol
thnx for any help im away to bed before i fall asleep typing lol hope i get this sorted :)
bladesftp
13-10-2006, 01:40 AM
have you checked that ou are connectong the wires to the modem correctly if i remember correctly the 200 has 5 pins but you only need to use 4 so i dunno if the 250 is the same
plexo
13-10-2006, 04:25 PM
yer it has 5 from pinout i got from AF its right, i made the cable on a stripboard maying one of my connections are wrong im goin to have a look now
plexo
13-10-2006, 04:47 PM
getting somewere, i swapped the wires round and now getting this
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thats with hyper terminal, this is with teraterm
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any ideas?
ive done it a few times and everytime i get different data
plexo
13-10-2006, 07:32 PM
must be faulty wiring i have redone cable and now getting nothing at all r0fl, im now completely redoing it and seeing if it helps *sigh*
checked and double checked new wiring, nothing wrong with wiring
crash007
14-10-2006, 03:06 PM
hi mate try these settings for the 250 GND, TXD, 3.3v, RXD this is from GND or PIN 1 on the 250 i use this
plexo
15-10-2006, 12:30 AM
tried that, also tried diff combinations i think that has fried the max233 chip :(
hello m8 i had a similar prob wen doin mine i got jumbled text dint make sense was a short on my veraboard check all ur connections n solderin u might ov missed a bit ov circuit u should ov cut???? hope this helps
d3putydawg
20-11-2006, 06:57 PM
hiya,
its your 233 cable or u are not using the right pins as it does work if all is soldered right check for loose wires that might be touching other solder or u may of bunt it out if u leave solering iron on too long as it gets too hot
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