CONNECTOR PINOUT

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

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

 

 

 

 

 

 

 

VOLTAGE AND GROUND SIGNALS

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.

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ZeusIOPS 3.5-Inch Fibre Channel Solid State Drive Product Manual Rev. 1.0

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SimpleTech ZeusIOPS manual Pin SCA-2 Connector Pinout, Voltage and Ground Signals