Date: Wed, 16 Jan 2002 12:16:04 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Trevor Johnson <trevor@jpj.net> Cc: Riccardo.Veraldi@fi.infn.it, freebsd-alpha@FreeBSD.ORG Subject: Re: DEC3000/300 Message-ID: <3C45DF84.5990A4E4@mindspring.com> References: <20020116023458.E17814-100000@blues.jpj.net>
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Trevor Johnson wrote: > > I just got a DEC3000/300 > > to use the seial console do I have to get a NULL modem or modem serial > > cable? > > I made a quick-and-dirty null modem cable to attach to a PC: > > DB25F DB9F > (DEC 3000) (PC) > 2 ----------- 2 > 3 ----------- 3 > 6 ----------- 6, 8 > 7 ----------- 5 This isn't a NULL-modem cable (2&3 aren't swapped), it's just "a cable with pin 8 hooked to pin 6 on one side for some reason". A real NULL-modem cable looks like: TX -------- RX RX -------- TX CTS -------- RTS RTS -------- CTS GND -------- GND (signal ground, not chassis ground) DCD -------- DTR DTR -------- DCD GND -------- (chassis ground on one end to all other wires) -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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