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configuration issues on a  nortel/baynetworks baystack 350T

Posted on 2004-10-01
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Last Modified: 2012-05-05
I recently acquired a baystack 350T 16 port switch that I want to use to replace some hubs that have recently become a bottleneck. It was used, and thus was previously configured and I have been trying to get to the configuration interface in order to pretty much restore it to defaults because I think that will be all I'm going to need for now. However I do not know if it has an IP address so I can not use telnet to log in, and I have been trying to use a serial cable to get the console interface using hyperterminal in windows but to no avail thus far (tried it on 2 computers). I'm pretty sure its a straight serial cable but my multimeter probes are too thick to fit in the holes and thus I haven't been able to accurately check that. Nortel doesn't have the manual for this specific model on the site but I have read the manual for the newer 350T models (24 port) and I'm not sure how much of a difference there is or if I may be missing something. Tried calling nortel but they wanted me to buy a service contract, so I called down the list of nortel partners and most of them were saying they either didn't deal with the product or only provide support for customers who use their services. Is there anything I'm missing or probably don't know or how I could reset it to default somehow? Would it be possible that the serial interface is disabled? Figuring this out would be great, its unusual that I actually get stumped on an issue like this.
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Question by:ibmman85
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by:PsiCop
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There is no difference between the old and new 350Ts in this respect. The pin-out information for the 24-port models is accurate for this one. Like Cisco, Bay adopted a standard console interface (unfortunately, its also slightly different from Cisco's, so the Cisco cables don't work in Bay equipment). As I recall, any standard 9-pin serial cable should work. That's what I'm using for my 350T.

Another possibility is that the previous owner set the serial port to non-standard speed or data framing.

Do the docs you've found give an NVRAM reset procedure? Some way to clear it to defaults?

You could also run nmap against it, see if it will respond on a particular IP address. You'd have to brute-force-scan, no real way to finesse it.
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by:ibmman85
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Ended up finding the manual for this model but there really wasn't any additional info, how configurable are the serial ports on them? guess ill just go through the baud rates...  just tried an snmp discovery tool but if it does have an IP I have no idea what subnet or address range to search so thats not terribly helpful
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by:ibmman85
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ok yeah unfortunately the only way to restore defaults is through the interface... there doesn't appear to be a way to totally disable the serial port interface either.. so unless somone fried it is there a way to kind of scan a serial port to try to see what it's settings are? i tried a bunch of settings and didnt have any luck with that either
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by:PsiCop
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Pretty configurable. I forget the limits, but I think the baud rates go from 2400 to 19.2K. Can also have different amount of stop and data bits.

I don't have anything else to offer you. If I get some time this weekend, I'll poke around mine and see if anything suggests itself.
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by:ibmman85
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ok I tested the serial cable ive been using.. its not a straight cable.. so ill see if I can find one and try again. unfortunately im at school not at home so I dont have any others around
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by:PsiCop
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Yeah. I'm using a stock serial cable, 9-pin.
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by:PsiCop
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I think I was helpful, altho I dunno if I solved his problem
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by:ibmman85
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I still havent been able to log into the thing, although I think i do have a straight serial cable now (although I didnt test that with the multimeter yet) i only tested it at one or two baud rates when i tried right after getting the cable and didnt have any luck but hopefully ill have more of a chance to test it soon. sorry for not replying for so long i was just kind of waiting until i had the chance to work on it again and see if i could actually get anywhere before replying again. For now ive just kind of settled for using with the only ports i can which unfortunately is only 3 out of the 16 (and im guessing thats just because whatever configuration they had..) and one of those is being used by the uplink heh.. oh well
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