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Chenbro RM31408 3Gb/s 4-port 3.5 mini-SAS Backplane(80H102209-013) - Manual User Manual

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Chenbro SR209/105/107/108

4-Ports Mini-SAS Backplane User’s Manual

Pin Assignment

[CN1] HDD Activity LED Connector

Pin

Def.

HDD No.

1

CN11

3 CN21

5 CN31

7

External Activity LED Signal

Input

(Remove jumper then plug

adapter wire to connect

RAID card)

CN41

9 Key

Pin

10 N/A

1 & 2

CN11

3 & 4

CN21

5 & 6

CN31

7 & 8

As HDD can support activity

LED signal , using jumper to

close each two pins shown

left side

CN41

[CN2] HDD Fail LED Connector

Pin Def.

1

Fail LED for HDD CN11

2

Fail LED for HDD CN21

3

Fail LED for HDD CN31

4

Fail LED for HDD CN41

[CN3 /CN4] Power Connector

Pin Def.

1 +5V

2 GND

3 GND

4 +12V

[JF1 /JF2] Fan Connector

Pin Def.

1 GND

2 +12V

3 Sensor

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