Seagate ST3300457FC Cheetah 15K.7 FC Product Manual - Page 72

Table 23, Recommended mating SCA part numbers, Part description, Positions, Part number, Features,

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12.5.2 Connector requirements Table 23: Recommended mating SCA part numbers Part description AMP Vertical (SCA sequence) Berg Methode Molex Positions 40 40 40 40 Part number 787317-1 71781 512-220-91-101N 717431040 The FC-AL SCA device connector is illustrated in Figure 14. Pin 20 1.618 ± .003 in (41.1 ± 0.08 mm) Pin 1 Features With polarization With polarization With polarization With polarization Pin 40 .64 in (16.24 mm) 1.28 in (32.47 mm) Mating end 1.618 ± .003 in (41.10 ± 0.08 mm) 1.492 ± .009 in (37.90 ± 0.24 mm) Housing Pin 21 0.197 ± .003 in 2 places (5.00 ± .08 mm) 0.264+.007 in -.010 in (6.71+0.18 mm) (-0.25 mm) 0.226 in min. (6.50 mm) 0.394 ± .004 in (10.0 ± 0.10 mm) 0.039 in min. (0.75 mm) 0.024 in min. (0.60 mm) 0.079 ± .010 in (2.00 ± .25 mm) (initial point of contact) .05 in typ. (1.27 mm) Contact (typ.) .025 in (0.635 mm) 0.106 ± .010 in (2.70 ± 0.25 mm) 0.060 ± .010 in (1.52 ± 0.25 mm) 0.051 ± .006 in 2 places (1.30 ± 0.16 mm) Figure 14. FC-AL SCA device connector dimensions 12.5.3 Electrical description Fibre Channel drives use the FC-SCA connector for: • DC power • FC-AL interface • Drive select (device identification) • Option selection • Enclosure Services interface This 40-pin connector is designed to plug directly into a backpanel. External cables are not required. 12.5.4 Pin descriptions This section provides a pin-out of the FC-SCA and a description of the functions provided by the pins. 66 Cheetah 15K.7 FC Product Manual, Rev. C

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66
Cheetah 15K.7 FC Product Manual, Rev. C
12.5.2
Connector requirements
Table 23:
Recommended mating SCA part numbers
Part description
Positions
Part number
Features
AMP Vertical (SCA sequence)
40
787317-1
With polarization
Berg
40
71781
With polarization
Methode
40
512-220-91-101N
With polarization
Molex
40
717431040
With polarization
The FC-AL SCA device connector is illustrated in Figure 14.
Figure 14.
FC-AL SCA device connector dimensions
12.5.3
Electrical description
Fibre Channel drives use the FC-SCA connector for:
•
DC power
•
FC-AL interface
•
Drive select (device identification)
•
Option selection
•
Enclosure Services interface
This 40-pin connector is designed to plug directly into a backpanel. External cables are not required.
12.5.4
Pin descriptions
This section provides a pin-out of the FC-SCA and a description of the functions provided by the pins.
1.618
±
.003 in
(41.1
±
0.08 mm)
0.197
±
.003 in
(5.00
±
.08 mm)
2 places
1.28 in
(32.47 mm)
.64 in
(16.24 mm)
Pin 40
Pin 20
Pin 21
Pin 1
1.618
±
.003 in
(41.10
±
0.08 mm)
1.492
±
.009 in
(37.90
±
0.24 mm)
(6.71+0.18 mm)
(–0.25 mm)
0.264+.007 in
–.010 in
typ.
.05 in
(1.27 mm)
min.
0.226 in
(6.50 mm)
min.
0.024 in
(0.60 mm)
min.
0.039 in
(0.75 mm)
2 places
0.051
±
.006 in
(1.30
±
0.16 mm)
0.079
±
.010 in
(2.00
±
.25 mm)
Mating end
Housing
Contact (typ.)
.025 in (0.635 mm)
0.106
±
.010 in
(2.70
±
0.25 mm)
0.060
±
.010 in
(1.52
±
0.25 mm)
(initial point
of contact)
0.394
±
.004 in
(10.0
±
0.10 mm)