Forums | USR | rs232 conection with two modens | Watch |
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vschutze Tl Posts: 1 Brazil | Posted - 6/15/2003 7:23:43 AM Hi, Please help me I need conect one pc to a Rs232 port from one inverter(asc protocol) for remote diagnostic, I have a specific software and run ok whith one serial cable (the baud rate is 9600bps). I have Two 56k modens (model 5686 from USrobotics and i want made these conection via analog telephone line, and the problem is: I have activated the auto answer at the modem conected to the inverter serial port, but when i dial to him, the modem do not answer. My plan is conect the Pc with the inverter via telephone line and with the hyperterminal test the communication, when OK , then test dialing whith windows dial up an use the specific software for diagnostics. thanks
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v.Richard Tl Posts: 6222 USA | Posted - 6/17/2003 10:07:56 AM If auto-answer is set on modem and it does not answer, the problem may be related to the RS232 control signals: the modem may require An RS232 breakout box is handy in situation like this as it lets you see (and change) the RS232 signals. Aloha! Richard. |
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