SimpleTech ZeusIOPS User Manual

Page of 84
36
Zeus
IOPS
 3.5-Inch Fibre Channel Solid State Drive Product Manual Rev. 1.0
C
ONNECTOR
 P
INOUT
This section provides the pinout of the 40-pin SCA-2 connector, the pinout signal characteristics, and 
the use of the pinout signals with respect to the SSD. Refer to Table 10 for the 40-pin SCA-2 
connector pin-out.
Table 10.
40-Pin SCA-2 Connector Pinout
V
OLTAGE
 
AND
 G
ROUND
 S
IGNALS
The 12V contacts provide all the power required by the drive. The 5V Charge and 5 Volt contacts are 
not used. All 5V ground and 12V ground contacts are connected to the drive ground plane.
Pin
Signal Name
Signal Type
Pin
Signal Name
Signal Type
1
-ENBL BYP CH1
Low Voltage TTL Output 21
12V Charge
2
12 Volts
22
12V Ground
GND
3
12 Volts
23
12V Ground
GND
4
12 Volts
24
+Port 1_In
Differential
PECL Input Pair
5
-Parallel ESI
25
-Port 1_In
6
-Drive Present
GND
26
12V Ground
GND
7
Ready LED Out
Open Collector Out
27
+Port 2_In
Differential
PECL Input Pair
8
Power Control
28
-Port 2_In
9
Start_1/Mated
TTL Input
29
12V Ground
GND
10
Start_2/Mated
TTL Input
30
+Port 1_Out
Differential
PECL Output Pair
11
-ENBL BYP CH1
Low Voltage TTL Output 31
-Port 1_Out
12
SEL_6/-EFW
TTL Input/Output
32
5V Ground
GND
13
SEL_5/-P_ESI_5
TTL Input/Output
33
+Port 2_Out
Differential
PECL Output Pair
14
SEL_4/-P_ESI_4
TTL Input
34
-Port 2_Out
15
SEL_3/-P_ESI_3
TTL Input/Output
35
5V Ground
GND
16
Fault LED Out
Open Collector Out
36
SEL_2/-P_ESI_2
TTL Input/Output
17
DEV_CTRL_CODE_2 TTL Input
37
SEL_1/-P_ESI_1
TTL Input/Output
18
DEV_CTRL_CODE_1 TTL Input
38
SEL_0/-P_ESI_0
TTL Input/Output
19
5 Volts
39
DEV_CTRL_CODE_0 TTL Input
20
5 Volts
40
5 Volts Charge