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Article #5755Re: Looking for DD-50P SCSI terminators
From: John_A_Pham
Date: Wed, 22 Aug 1990 19:13
Date: Wed, 22 Aug 1990 19:13
32 lines
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1623 bytes
Here's the pin description for SCSI differential
Signal Pin Number Signal
*shield ground 1 2 ground
+db0 3 4 -db0
+db1 5 6 -db1
+db2 7 8 -db2
+db3 9 10 -db3
+db4 11 12 -db4
+db5 13 14 -db5
+db6 15 16 -db6
+db7 17 18 -db7
+dbp (parity) 19 20 -dbp
ground 21 22 ground
ground 23 24 ground
**tempwr 25 26 **tempwr
ground 27 28 ground
+atn 29 30 -atn
ground 31 32 ground
+bsy 33 34 -bsy
+ack 35 36 -ack
+rst 37 38 -rst
+msg 39 40 +msg
+sel 41 42 -sel
+c/d 43 44 -c/d
+req 45 46 -req
+io 47 48 -io
ground 49 50 ground
*Optional shield ground on some cables
**these pins are reserved for providing optional terminator power (+5V)
Technical Details
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!decwrl!apple!portal!cup.portal.com!John_A_Pham From: John_A_Pham@cup.portal.com Newsgroups: sci.electronics Subject: Re: Looking for DD-50P SCSI terminators Message-ID: <33090@cup.portal.com> Date: 22 Aug 90 19:13:26 GMT References: <8287@ncar.ucar.edu> <1990Aug22.045225.23292@cs.uow.edu.au> <3602@goanna.cs.rmit.oz.au> Organization: The Portal System (TM) Lines: 32