Article View: comp.sys.dec.micro
Article #1626Re: Need VT-180 (ROBIN) printer port pinout
From: joe smith
Date: Sun, 06 Nov 1988 01:34
Date: Sun, 06 Nov 1988 01:34
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1703 bytes
In article <2190@tekcae.CAX.TEK.COM> bobp@tekcae.CAX.TEK.COM (Robert N. Perry (Sky Scum)) writes:
> I need the pinout for the VT-180 as I'm having no luck at all
>getting my Epson FX80 to work with this system. Can anyone help me with the
>serial printer port pinout ?
> I've found that a straight null modem cable doesn't work.
From the "VT180 Series Technical Manual", page 3-35:
Pin Signal Description Mnemonic
1 Protective Ground PROT GND
2 Transmitted Data TXD
3 Received Data RXD
6 Data Set Ready DSR
7 Signal Ground GND
20 Data Terminal Ready DTR
Note that the following signals are NOT connectd:
4 Request To Send RTS
5 Clear To Send CTS
8 Carrier Detect CD
Some printers get upset if they don't see a signal on DSR, CTS, and CD at
their end of the null modem. Use a break-out box and check for these
signals, and jumper various pins together to see which ones the printer wants.
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Technical Details
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!seismo!sundc!pitstop!sun!oliveb!tymix!antares!jms From: jms@antares.UUCP (joe smith) Newsgroups: comp.sys.dec.micro Subject: Re: Need VT-180 (ROBIN) printer port pinout Summary: Normal 6-wire connection Message-ID: <254@antares.UUCP> Date: 6 Nov 88 01:34:58 GMT References: <2190@tekcae.CAX.TEK.COM> Reply-To: jms@antares.UUCP (joe smith) Organization: Tymnet QSATS, San Jose CA Lines: 29