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Article #44615

Re: MAC modem cable pin assignments...

#44615
From: Eric Oosterhof
Date: Sat, 30 Dec 1989 22:25
31 lines
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MacUser, January 1990 discussed re-wiring a modem cable for use
with high speed modems.  Included in that article is a shematic
of the changes needed to adapt the current cable.  Use this as a 
guide for making your modem cable.  They say you can still use 
the adapted cable with a slow modem.  Words to the effect of the
schem:

DIN 8 pin number			25 pin D pin number
	1					20
	2					5
	3					2	
	4					7
	5					3

The adaptation for high-speed modems, cut the 1 to 20 wire, replace
with a 1 to 4 wire.  Enjoy...
P.S.  I just purchased a modem cable with 8 pin DIN connector, plugged
it into my 9 pin DIN connector on a Mac Plus.  It works so far (10
minutes or so).  Anyone know of any problems related to this 
arrangement?



erico@tekcae.CAX.TEK.COM | oostere@ure.CS.ORST.EDU

---------------Eric Oosterhof-----------------------
Ready for employment, start date, mid June, 1990.
BS in C.S., experience in C, Equel/C, PASCAL, others.
E-Mail or mail 8885 SW Hillsboro Hwy, Hillsboro, OR.  
97123 for references.
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From: erico@tekcae.CAX.TEK.COM (Eric Oosterhof)
Newsgroups: comp.sys.mac
Subject: Re: MAC modem cable pin assignments...
Keywords: Schematic in Jan 1990 MacUser...
Message-ID: <5270@tekgen.BV.TEK.COM>
Date: 30 Dec 89 22:25:44 GMT
References: <8641@cs.yale.edu>
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