Problem when disconnecting RS232 - Techwatch Support Forums: Digital & Satellite TV, FTA, Cable, Computers, Mobile Phones, Apple and General Tech Forums

captainspaulding · 25-02-09, 11:28 AM

I seem to be having a strange problem. Last night I used the config tool to put a new mac and config file on my modem after I did this the mac would work until I tool the RS232 cable out of the modem and then I would lose my internet connection. I am unsure why its doing this.

BL4K3Y · 25-02-09, 11:31 AM

You sure you got the rx/tx pins the right way round? I find that the bottom GND (pin closest to the back of the modem) works best.

captainspaulding · 25-02-09, 11:59 AM

Its all connected right. It write the mac and config file to the modem and when I get a working mac and config I get an internet connection but when I disconnect the RS232 lead this is where I am having problems as the internet connection disconnects but connects again when i put the RS232 cable back on.

captainspaulding · 26-02-09, 12:22 PM

I now seem to be having the opposite problem. Modem connects to net but if I plug the rs232 in it disconnects. Strange. Although I prefer this rather than having to leave the rs232 in all the time.

25-02-09, 11:28 AM	#1 (permalink)
captainspaulding Pass it on, pass it down. Join Date: Jan 2009 Posts: 223 Thanks: 38 Thanked 26 Times in 26 Posts	Problem when disconnecting RS232 I seem to be having a strange problem. Last night I used the config tool to put a new mac and config file on my modem after I did this the mac would work until I tool the RS232 cable out of the modem and then I would lose my internet connection. I am unsure why its doing this.

25-02-09, 11:31 AM	#2 (permalink)
BL4K3Y Senior Member Join Date: Apr 2008 Location: Colne, Lancashire Posts: 7,004 Thanks: 247 Thanked 1,319 Times in 1,211 Posts	Re: Problem when disconnecting RS232 You sure you got the rx/tx pins the right way round? I find that the bottom GND (pin closest to the back of the modem) works best.

25-02-09, 11:59 AM	#3 (permalink)
captainspaulding Pass it on, pass it down. Join Date: Jan 2009 Posts: 223 Thanks: 38 Thanked 26 Times in 26 Posts	Re: Problem when disconnecting RS232 Its all connected right. It write the mac and config file to the modem and when I get a working mac and config I get an internet connection but when I disconnect the RS232 lead this is where I am having problems as the internet connection disconnects but connects again when i put the RS232 cable back on.

26-02-09, 12:22 PM	#4 (permalink)
captainspaulding Pass it on, pass it down. Join Date: Jan 2009 Posts: 223 Thanks: 38 Thanked 26 Times in 26 Posts	Re: Problem when disconnecting RS232 I now seem to be having the opposite problem. Modem connects to net but if I plug the rs232 in it disconnects. Strange. Although I prefer this rather than having to leave the rs232 in all the time.

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