[comp.sys.next] Null modem cable for an '040 NeXT

TIMBUCK@VTVM1.CC.VT.EDU (Timothy Buck) (06/17/91)

OK, this is probably a FAQ, but I can't find it either in NeXTAnswers or
in the FAQ file.

Can someone post once again instructions for connecting a terminal to
a NeXTStation, including EXACTLY what Mac --> Imagewriter cable to buy
(I'm serious, there seem to be several different versions for the Mac
512, Mac +, etc).  Also, if you know of a good place to get one would
you share that with me also?

Thanks


 Timothy Buck
      timbuck@vtvm1.cc.vt.edu (preferred), jbuck@vtssi.vt.edu,
  OR  Tim.Buck@bbs.oit.unc.edu

eps@toaster.SFSU.EDU (Eric P. Scott) (06/18/91)

In article <9106171247.AA23695@ucbvax.Berkeley.EDU>
	TIMBUCK@VTVM1.CC.VT.EDU (Timothy Buck) writes:
>Can someone post once again instructions for connecting a terminal to
>a NeXTStation, including EXACTLY what Mac --> Imagewriter cable to buy

NONE.  Mac cables DO NOT WORK with NeXTstations (or any '040
NeXTs).  Specifications for what you need appear on the zs(4)
manual page, which is reproduced in hardcopy form in the back of
_Network and System Administration_ (so those of you who only
have 2.x-Crippled can't whine about not having man pages).

>                   Also, if you know of a good place to get one would
>you share that with me also?

I'm sure there are several...  We found a place in the San
Francisco Bay Area that makes custom cables, and had them
take care of our serial and SCSI needs:

	Cable Connections
	557 Salmar Ave., Suite B
	Campbell, CA  95008

	(408) 379-9224

					-=EPS=-

anderson@dogie.macc.wisc.edu (Jess Anderson) (06/18/91)

In article <1753@toaster.SFSU.EDU> eps@cs.SFSU.EDU (Eric P.
Scott) writes:

>In article <9106171247.AA23695@ucbvax.Berkeley.EDU>
>TIMBUCK@VTVM1.CC.VT.EDU (Timothy Buck) writes:

>>Can someone post once again instructions for connecting a terminal to
>>a NeXTStation, including EXACTLY what Mac --> Imagewriter cable to buy

>NONE.  Mac cables DO NOT WORK with NeXTstations (or any '040
>NeXTs).  Specifications for what you need appear on the zs(4)
>manual page, which is reproduced in hardcopy form in the back of
>_Network and System Administration_ (so those of you who only
>have 2.x-Crippled can't whine about not having man pages).

>>Also, if you know of a good place to get one would
>>you share that with me also?

>I'm sure there are several...  We found a place in the San
>Francisco Bay Area that makes custom cables, and had them
>take care of our serial and SCSI needs:

Doesn't NeXTconnection sell the proper cable for $19?
Is it some other cable they sell (NeXT-to-modem)?  Are
we talking about two different cables here, Eric?

--
Jess Anderson <> Madison Academic Computing Center <> University of Wisconsin
Internet: anderson@macc.wisc.edu <-best, UUCP:{}!uwvax!macc.wisc.edu!anderson
NeXTmail w/attachments: anderson@yak.macc.wisc.edu  Bitnet: anderson@wiscmacc
Room 3130 <> 1210 West Dayton Street / Madison WI 53706 <> Phone 608/262-5888

eps@toaster.SFSU.EDU (Eric P. Scott) (06/18/91)

In article <1991Jun18.044553.7311@macc.wisc.edu>
	anderson@dogie.macc.wisc.edu (Jess Anderson) writes:
>Doesn't NeXTconnection sell the proper cable for $19?
>Is it some other cable they sell (NeXT-to-modem)?  Are
>we talking about two different cables here, Eric?

'030 NeXTs and '040 NeXT use different cables because the serial
ports are different.  Mac cables will work with '030 cubes but
not the newer '040 machines.

Anyway, our 12' custom-built cables cost us less than $19.
NeXTconnection is a premium "I want it in the mail TODAY"
service.  Think of them as the moral equivalent of Inmac
or Glasgal.  You don't go to them first if you're trying
to save money (unless time is money, so to speak).

					-=EPS=-

jwright@cfht.hawaii.edu (Jim Wright) (06/18/91)

eps@toaster.SFSU.EDU (Eric P. Scott) writes:
-TIMBUCK@VTVM1.CC.VT.EDU (Timothy Buck) writes:
->Can someone post once again instructions for connecting a terminal to
->a NeXTStation, including EXACTLY what Mac --> Imagewriter cable to buy
-
-NONE.  Mac cables DO NOT WORK with NeXTstations (or any '040
-NeXTs).  Specifications for what you need appear on the zs(4)
-manual page, which is reproduced in hardcopy form in the back of
-_Network and System Administration_

Well...  Buying a Mac->ImageWriter cable is a great way to get two molded
mini-DIN 8 connectors.  Just snip the cable in the middle and graft on
your DB25 connector.  Two cables for your two serial ports!  Plus you have
total control over whether you build an '030 style cable or '040 style or...

Trying to solder mini-DIN 8 connectors is a real bitch.

--
Jim Wright
jwright@cfht.hawaii.edu
Canada-France-Hawaii Telescope Corp.

tyc@cbnewse.att.com (felix.a.lugo) (06/19/91)

In article <1756@toaster.SFSU.EDU> eps@cs.SFSU.EDU (Eric P. Scott) writes:
| In article <1991Jun18.044553.7311@macc.wisc.edu>
| 	anderson@dogie.macc.wisc.edu (Jess Anderson) writes:
| >Doesn't NeXTconnection sell the proper cable for $19?
| >Is it some other cable they sell (NeXT-to-modem)?  Are
| >we talking about two different cables here, Eric?
| 
| '030 NeXTs and '040 NeXT use different cables because the serial
| ports are different.  Mac cables will work with '030 cubes but
| not the newer '040 machines.
| 
	WRONG again!  I've used an '040 NeXT to a Mac for some time now and
	it's worked like a charm.  All you need is the proper cable and the
	use of the right devices on the NeXT.  Check the NeXT man pages!!!!!

===============================================================================
Felix A. Lugo

E-Mail: (NeXTmail preferred)
   AT&T Bell Laboratories, Naperville, IL	Felix_A_Lugo@ATT.COM
						coco@ihcoco.att.com
   AT&T NeXT User Group				nug@ihcoco.att.com
   T.Y.C. Software, Lisle, IL			coco@ihtyc.att.com
===============================================================================

brian@umbc4.umbc.edu (Brian Cuthie) (06/19/91)

Here's my $.02 worth:


	1. Mac cables work but are not wired correctly and can cause strange
	   results.

	2. Mac cables have the CTS modem signal connected to the DCD NeXT
	   pin.  This can cause all kinds of neat behavior, especially if
	   your modem thinks it's doing hardware flow control.

	3. The correct cables are available from NeXTConnection for a mere
	   $15 (and they're black!)

Hope this helps!

-brian

rbp@investor.pgh.pa.us (Bob Peirce #305) (06/20/91)

In article <1756@toaster.SFSU.EDU> eps@cs.SFSU.EDU (Eric P. Scott) writes:
>
>'030 NeXTs and '040 NeXT use different cables because the serial
>ports are different.  Mac cables will work with '030 cubes but
>not the newer '040 machines.
>
Okay, maybe I am doing something wrong, but I am using the same Mac
cables to connect to my modem and my Epson printer that I used on the
'30 and they are working and I am having no problems.  In fact, put and
take under tip seem more reliable now than when I had the '30.  It
happens that these cables have certain pins jumpered -- I can't remember
which.  Perhaps the jumpered pins have caused me to luck out.  These
cables were recommended by someone on the net, maybe even by Eric.
-- 
Bob Peirce, Pittsburgh, PA        rbp@investor.pgh.pa.us         412-471-5320
venetia@investor.pgh.pa.us [NeXT Mail]     ...!uunet!pitt!investor!rbp [UUCP]

cyliao@eng.umd.edu (Chun-Yao Liao) (06/23/91)

In article <jwright.677233725@cfht.hawaii.edu> jwright@cfht.hawaii.edu (Jim Wright) writes:
>
>Well...  Buying a Mac->ImageWriter cable is a great way to get two molded
>mini-DIN 8 connectors.  Just snip the cable in the middle and graft on
>your DB25 connector.  Two cables for your two serial ports!  Plus you have
>total control over whether you build an '030 style cable or '040 style or...
>
	Be careful here, not all Mac->ImageWriter cable are created equal!
	Some of them have only 3 wires connected! Mine had 5 wires,
	and if my memory serves me right, you need 6 wires tor a "proper"
	connectiion for 040. (look it up in man zs!)

	how did I know it? well... tell you what, I have 2 cables collecting
	dusts, both of them are cut in half, one has 3 wires in it, and the
	other has 5... I finally sat down infront of my desk and called
	NeXTconnection.

>Trying to solder mini-DIN 8 connectors is a real bitch.

	100% agreed!!!!!!!!

--
cyliao@bagend.eng.umd.edu       o Q. Who am I?
      NeXTmail o.k.       	o A. A NeXTed person with 320meg HD and OD
  I have MailService	        o    An Apple // guy
 and a 2400 modem w/o MNP	o    An airplane pilot (I hope)