Seagate ST15150N Product Manual - Page 87
Shield Gnd
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ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D 77 Table 15. Differential cable pin assignments (non-shielded connector) for ST15150ND drives +Signal name* SHIELD GND Pin number 12 −Signal name* GROUND DB (0) DB (1) DB (2) DB (3) DB (4) DB (5) DB (6) DB (7) DB (P) 34 56 78 9 10 11 12 13 14 15 16 17 18 19 20 −DB (0) −DB (1) −DB (2) −DB (3) −DB (4) −DB (5) −DB (6) −DB (7) DB (P) DIFFSENS 21 22 GROUND GROUND 23 24 GROUND TERMPWR 25 26 TERMPWR GROUND 27 28 GROUND ATN GROUND 29 30 31 32 −ATN GROUND BSY ACK RST MSG SEL C/D REQ I/O GROUND 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 −BSY −ACK −RST −MSG −SEL −C/D −REQ −I/O GROUND * See Section 11.7.3.2 for detailed electrical characteristics of these differential signals.
ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D
77
Table 15.
Differential cable pin assignments
(non-shielded connector) for ST15150ND drives
+
Signal name*
Pin number
-
Signal name*
SHIELD GND
1
2
GROUND
DB (0)
3
4
-
DB (0)
DB (1)
5
6
-
DB (1)
DB (2)
7
8
-
DB (2)
DB (3)
9
10
-
DB (3)
DB (4)
11
12
-
DB (4)
DB (5)
13
14
-
DB (5)
DB (6)
15
16
-
DB (6)
DB (7)
17
18
-
DB (7)
DB (P)
19
20
DB (P)
DIFFSENS
21
22
GROUND
GROUND
23
24
GROUND
TERMPWR
25
26
TERMPWR
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
I/O
47
48
-
I/O
GROUND
49
50
GROUND
* See Section 11.7.3.2 for detailed electrical characteristics of these
differential signals.