Adaptec AMM-1572 - Manual (Page 78)

A-6
AMM-1570/1572 User’s Guide
AMM-1570/1572 User’s Guide
Stock Number: 510526-00, Rev. B
Page: A-6
Print Spec Number: 492379-00
Current Date: 3/7/94
ECN Date: 3/8/94
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50-pin External SCSI Connector
The 50-pin external SCSI connector must be a shielded 50-pin high
density (Alternative 2) connector. The following table lists the pin
assignments for the external connector.
Signal Name Pin Pin Signal Name
Ground 1 26 -DB(0)
Ground 2 27 -DB(1)
Ground 3 28 -DB(2)
Ground 4 29 -DB(3)
Ground 5 30 -DB(4)
Ground 6 31 -DB(5)
Ground 7 32 -DB(6)
Ground 8 33 -DB(7)
Ground 9 34 -DB(P)
Ground 10 35 Ground
Ground 11 36 Ground
Ground 12 37 Reserved
Open 13 38 Term Power (Fused)
Ground 14 39 Reserved
Ground 15 40 Ground
Ground 16 41 -ATN
Ground 17 42 Ground
Ground 18 43 -BSY
Ground 19 44 -ACK
Ground 20 45 -RST
Ground 21 46 -MSG
Ground 22 47 -SEL
Ground 23 48 -C/D
Ground 24 49 -REQ
Ground 25 50 -I/O