Western Digital WDE2170 - Manual (Page 41)

WD Enterprise WDE2170/WDE4360 SCSI Connectors
4079-001045 Rev. B RELEASED 04-08-97 33
Table 6-3. 50-Pin SCSI Connector Pin Assignments
SINGLE-ENDED SCSI CONNECTOR
Signal Name
Pin
Number Signal Name
GROUND 1 2 -DB0
GROUND 3 4 -DB1
GROUND 5 6 -DB2
GROUND 7 8 -DB3
GROUND 9 10 -DB4
GROUND 11 12 -DB5
GROUND 13 14 -DB6
GROUND 15 16 -DB7
GROUND 17 18 -DBP
GROUND 19 20 GROUND
GROUND 21 22 GROUND
open 23 24 open
open 25 26 TERMPWR
open 27 28 open
GROUND 29 30 GROUND
GROUND 31 32 -ATN
GROUND 33 34 GROUND
GROUND 35 36 -BSY
GROUND 37 38 -ACK
GROUND 39 40 -RST
GROUND 41 42 -MSG
GROUND 43 44 -SEL
GROUND 45 46 -C/D
GROUND 47 48 -REQ
GROUND 49 50 -I/O
Table 6-4. DC Power Connector
Signal Name Pin Number Signal Name
+12V (+12 SUPPLY) 51 52 GROUND (+12 RETURN)
GROUND (+5 RETURN) 53 54 +5V (+5 SUPPLY)