Article View: comp.sys.sun
Article #9566Re: SCSI cable length
From: Ted Kim (ATW)
Date: Mon, 12 Dec 1988 06:55
Date: Mon, 12 Dec 1988 06:55
19 lines
1377 bytes
1377 bytes
erickson@ics.uci.edu (Gary Scott Erickson) writes: >I would like to attach a shoebox disk to the SCSI port of a 3/60. Anyone >know what the maximum length can be? The person using the 3/60 would like >the disk in a different room because of the noise. The recommended maximum is 6 meters. With the cable in the box and the various connectors, we cut our cable to be 18 feet. The length figure comes from what we read in the back of the Adaptec 4000 (SCSI controller) manual. It is supposed to be based on the following: True (LOW signal) = 0 to 0.4 VDC @ 48 mA (max) False (HI signal) = 2 to 5.25 VDC open collector drivers terminated with 220 ohms to +5 V (nominal) and 330 ohms to ground at each end &ted ARPAnet: tek@penzance.cs.ucla.edu UUCP: ...!ucbvax!ucla-cs!tek
Technical Details
Message-ID:
<18328@shemp.CS.UCLA.EDU>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!cornell!uw-beaver!rice!sun-spots-requestReferences:
<26944.595708650@ics.uci.edu>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request From: penzance!tek@uunet.uu.net (Ted Kim (ATW)) Newsgroups: comp.sys.sun Subject: Re: SCSI cable length Message-ID: <18328@shemp.CS.UCLA.EDU> Date: 12 Dec 88 06:55:51 GMT References: <26944.595708650@ics.uci.edu> Sender: usenet@rice.edu Organization: Rice University, Houston, Texas Lines: 19 Approved: Sun-Spots@rice.edu Original-Date: 29 Nov 88 19:52:56 GMT X-Sun-Spots-Digest: Volume 7, Issue 45, message 13 of 14 X-Issue-Reference: v7n29