Product manual

Cheetah 15K.6 FC Product Manual, Rev. D
69
9.5.2 Connector requirements
The FC-AL SCA device connector is illustrated in Figure 16.
Figure 16. FC-AL SCA device connector dimensions
9.5.3 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.
9.5.4 Pin descriptions
This section provides a pin-out of the FC-SCA and a description of the functions provided by the pins.
Table 26: 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
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)
P
in 40
P
in 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 place
s
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)