Seagate ST19101FC Manuel D’Utilisation
24
Cheetah 9FC Installation Guide, Rev. A
Table 1:
FC-SCA pin descriptions
Pin/contact
Signal name
Signal type
1*
–EN bypass port A
TTL output
2*
12 Volts
3*
12 Volts
4*
12 Volts
5*
–Parallel ESI
TTl output
6*
Ground
(-DRV present)
7*
Active LED out
Open collector out
8*
Reserved
9*
Start_1
TTL input
10*
Start_2
TTL input
11*
–EN bypass port B
TTL output
12*
SEL_6
TTL input
13*
SEL_5
TTL input
14*
SEL_4
TTL input
15*
SEL_3
TTL input
16*
Fault LED out
Open collector out
17*
Reserved NC
18*
Reserved NC
19*
5 Volts
20*
5 Volts
21
12 Volts charge
22
Ground
23
Ground
24*
+Port A_in
Diff. PECL input pair
25*
–Port A_in