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- From: gezelter@rlgsc.com
- Newsgroups: comp.os.vms
- Subject: Re: Hooking VT's up with 4-wire phone line?
- Message-ID: <1992Nov11.100931.250@rlgsc.com>
- Date: 11 Nov 92 15:09:31 GMT
- References: <00963279.399FBD40.10331@psuedvax.psu.edu> <1992Nov10.123242.5994@slcs.slb.com>
- Organization: Robert Gezelter Software Consultant, Flushing, NY
- Lines: 35
-
- In article <1992Nov10.123242.5994@slcs.slb.com>, brydon@asl.slb.com (Harvey Brydon (918)250-4312) writes:
- > In article <00963279.399FBD40.10331@psuedvax.psu.edu>, ken@PSUEDVAX.PSU.EDU
- > ("Kenneth J. Hoover") writes:
- >>
- >> Can anyone please tell me how/if it is possible to run VT-series
- >>terminals by grafting DB25 connectors onto the end of 4-wire telephone line?
- >>
- >> We have hundreds of feet of 4-wire line, and I've seen it done before.
- >>This could save us many $$$ if it is possible so we don't have to purchase
- >>data cables pre-made.
- >
- > What you call 4 wire telephone cable is more than likely 2 pair. To hook up
- > to RS-232, connect one wire in each pair to pins 2 and 3. Both of the other
- > wires should go to pin 7 and/or 1. I did this satisfactorily connecting one
- > to 1, the other to 7. You won't be able to make really long cable runs.
- > _______________________________________________________________
- > Harvey Brydon | Internet: brydon@dsn.SINet.slb.com
- > Dowell Schlumberger | P.O.T.S.: (918)250-4312
- > Halloween candy: the official office snack food after October 31.
- --
- Harvey,
-
- I am not sure what you mean by long runs. Using nothing more than
- original "house pair", twisted pair originally installed as
- trunking for voice telephone, I have run between several hundred
- and a few thousand feet with no special drivers or modems.
-
- - Bob
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