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- Path: sparky!uunet!zephyr.ens.tek.com!uw-beaver!fluke!gtisqr!toddi
- From: toddi@mav.com (Todd Inch)
- Newsgroups: comp.dcom.lans.ethernet
- Subject: Re: 10basT Question
- Message-ID: <1992Jul30.200729.12333@mav.com>
- Date: 30 Jul 92 20:07:29 GMT
- References: <Brps5C.8H9@alsvid.une.edu.au> <53020001@hpscit.sc.hp.com>
- Organization: Maverick International Inc.
- Lines: 13
-
- In article <53020001@hpscit.sc.hp.com> karl@hpscit.sc.hp.com (Karl Watanabe) writes:
- >In comp.dcom.lans.ethernet, jonathan@netcom.com (Jonathan Ridder) writes:
-
- >> The crossover cable is
- >> wired so that the receive pairs connect to the transmit pairs.
- >
- >The 10baseT chip transceiver from AMD automatically has polarity reversal.
- >Therefore it wouldn't be necessary to use a crossover cable.
-
- From what I've read, many 10baseT devices have auto polarity reversal. I
- would guess this would swap the V+ and V- of a transmit and/or receive
- pair, which is to say change the polarity of *a* pair. Will these also
- actually swap the T and R pairs as well?
-