Interface

5.1.4 Connector pinouts

The pin definitions are shown in Table 5.2.

Table 5.2 Connector pinouts

Signal segment key

 

 

S1

Gnd

2nd mate

 

 

S2

A+

Differential signal pair A from Phy

Signal

segment

S3

A-

 

 

 

 

S4

Gnd

2nd mate

 

 

 

 

S5

B-

Differential signal pair B from Phy

 

 

S6

B+

 

 

 

 

 

 

 

 

 

 

S7

Gnd

2nd mate

 

 

“Key and spacing separate signal and power segments”

 

 

P1

V33

N.C.(Open)

 

 

 

 

 

 

 

P2

V33

N.C.(Open)

 

 

P3

V33

N.C.(Open)

 

 

 

 

 

 

 

P4

Gnd

1st mate

 

 

P5

Gnd

2nd mate

 

 

P6

Gnd

2nd mate

 

 

 

 

 

 

 

P7

V5

5 V power, pre-charge, 2nd mate

 

 

P8

V5

5 V power

Power

 

P9

V5

5 V power

segment

 

 

 

 

Spin-up Mode/

 

 

 

P10

Gnd

2nd mate

 

 

P11

Staggered

• Staggered Spin-up mode detect for input

 

 

 

Ready LED

• Ready LED drive for output

 

 

 

For the specification of P11, see Section

 

 

 

 

 

 

 

 

5.1.5. (in next page)

 

 

 

 

When the host system does not use these

 

 

 

 

function, the corresponding pin to be mated

 

 

 

 

with P11 in the power cable receptacle

 

 

 

 

connector shall be grounded.

 

 

P12

Gnd

1st mate

 

 

P13

V12

N.C.(Open)

 

 

P14

V12

N.C.(Open)

 

 

 

 

 

 

 

P15

V12

N.C.(Open)

Power segment key

Notes:

Note) Since applying a single external supply voltage of 5 V enables this drive to operate it is unnecessary to supply +3.3 V and +12 V power supplies.

5-10

C141-E249

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Fujitsu MHW2060BS, MHW2100BS, MHW2080BS, MHW2120BS, MHW2040BS manual Connector pinouts