Product manual

Barracuda 9 Product Manual, Rev. C 65
Table 15: Wide differential P cable assignments (non-shielded connector) for ST19171WD drives
Note. The minus sign next to the signal indicates asserted state is the low voltage of the two levels used for
logic signals.
Notes [ ]: See page following Table 17.
Signal
Name [1]
Connector
Contact
Number [3]
Cable
Conductor
Number [2]
Connector
Contact
Number [3]
Signal
Name [1]
+DB12 1 1 2 35 –DB12
+DB13 2 3 4 36 –DB13
+DB14 3 5 6 37 –DB14
+DB15 4 7 8 38 –DB15
+DBP1 5 9 10 39 –DBP1
GND 6 11 12 40 GND
+DB0 7 13 14 41 –DB0
+DB1 8 15 16 42 –DB1
+DB2 9 17 18 43 –DB2
+DB3 10 19 20 44 –DB3
+DB4 11 21 22 45 –DB4
+DB5 12 23 24 46 –DB5
+DB6 13 25 26 47 –DB6
+DB7 14 27 28 48 –DB7
+DBP 15 29 30 49 –DBP
DIFFSENS 16 31 32 50 GND
TermPwr 17 33 34 51 TermPwr
TermPwr 18 35 36 52 TermPwr
Reserved 19 37 38 53 Reserved
+ATN 20 39 40 54 –ATN
GND 21 41 42 55 GND
+BSY 22 43 44 56 –BSY
+ACK 23 45 46 57 –ACK
+RST 24 47 48 58 –RST
+MSG 25 49 50 59 –MSG
+SEL 26 51 52 60 –SEL
+C/D 27 53 54 61 –C/D
+REQ 28 55 56 62 –REQ
+I/O 29 57 58 63 –I/O
GND 30 59 60 64 GND
+DB8 31 61 62 65 –DB8
+DB9 32 63 64 66 –DB9
+DB10 33 65 66 67 –DB10
+DB11 34 67 68 68 –DB11