I have installed a dax 56kbps ext modem in my sun fire 208R system.The modem failed due to lightning.i have replaced with a new modem but its not working.I have tired the following
1) tip /dev/cua/a ---> connected
on typing atz or any at commands nothing is displayed on screen even ATE1 didnt help
RD & CD of modem blinks when ever i press a key on my keyboard
2)ATDT xyz the modem starts dialing but fails
my asppp.conf script waits at expect "connect" and says timed oout
On trying tip /dev/cua/b i get connected & nothing happens even as it happens in cua/a
My doubt is culd my serial port be the problem?how to check that?
i have tried with another modem,checked the modem cable,removed the serial ports and added it thru admintool
If you had a modem get fried by lightning the odds are good that it also toasted the serial port. You can verify that by looping back the Tx & Rx pins and seeing if a 'tip /dev/cua/a' will echo characters
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