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1. Backplane photo

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Mini SAS HD 2U 8Bay 2.5"BACKPLANE

1. PCB dimension : 139.5(L)x78(W)x1.6(T)mm – 4 layer

2. Drive interface : SAS / SATAIII, backward compatible

3. Mini SAS HD (8643) Connector : 2

4. SAS/SATA(29PIN) Connector : 8

5. DC POWER SUPPLY: 2

6. HDDACCESS SIGNALDETECTING :AUTO(A) USE SAS HDD(B) USE SATAHDD

7. HDD POWER /ACCESS / FAILLED : 8(A) WHEN HDD INSERT----ACTIVE (GREEN)(B) WHEN HDD R/W ---- FLASH (GREEN)(C) WHEN HDD FAIL----ACTIVE (RED)

8. SGPIO FAILLED (RED) SETTING : BYSwitch (SW2-1)(A) ENABLE : Switch ON(B) DISABLE : Switch OFF

1. Product specification

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9. SGPIOACTLED (GREEN) SETTING : BYSwitch (SW2-2)(A) ENABLE : Switch ON(B) DISABLE : Switch OFF

10. Power current abnormal protection : AUTO

11. FAN DETECT: PWMTYPE : 2(A) RPM = 30%≦25℃(B) RPM = 100% = 45℃ or 55℃

12. FAN Detect Setting :(A) 45℃ : CN6 open(B) 55℃ : CN6 Short with jumper

13.TEMPERATURE DETECT:ON BOARD SENSOR : 2 (RT1 , RT2)(A) Setting fail =45℃ mode * 48℃-alarm, 44℃-reset(B) Setting fail =55℃ mode * 58℃-alarm, 54℃-reset

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14. SIGNALOUTPUT:(A) FAN FAILLED

* WHEN FAN FAIL---- FAILRED LEDACTIVE

(B)TEMPERATURE FAILLED* WHENTEMPERATURE FAIL

---- FAILRED LEDACTIVE

(C)ALARM RESET* KEEPFAILRED LED

15.ALARM BUZZER :(A) FAN FAIL----B----B----B----B(B)TEMPERATURE FAIL----BB----BB----BB----BB

16. 2U 8Bay extends to 2U 16Bay, 2U 24Bay :Connect CN05 on one board to CN04 on the other board.

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3. PCB dimension

PCB thickness : 1.6mm

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AB

C D

F

G HI KJ

LE

4. Function description

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NM

4. Function description

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A =CN01 → DC POWER CONNECTOR

B =CN02 → DC POWER CONNECTOR

C=CN04 : enable Mute function → connect to previous or next backplane

C

4. Function description

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D=CN05 : enable Mute function → connect to previous or next backplane

E=CN06:Open → setting 45℃, short by jumper → setting 55℃

4. Function description

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FG

=JF1 → FAN1

=JF2 → FAN2

F

G

4. Function description

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H=MS1 →Mini SAS HD CONNECTOR

I =MS2 → Mini SAS HD CONNECTOR

4. Function description

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ON

1 2

J =SW2

1 SGPIO FAILIndicator (RED LED)

2 SGPIOACTIndicator (GREEN LED)

K =SW1 → FAN CONTROL

1 ： FAN 1ON Enable→

OFF Disable→

ON Enable→

OFF Disable→

ON Enable→

OFF Disable→

ON Enable→

OFF Disable→

2 ： FAN 2

J K

ON

1 2

4. Function description

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L=SW3 → Pin 1 ： Fan+Temp+Pin 3 ：

Mute+

Pin7 : NA

Pin 5 ：

：Pin 7

Pin 2 ： Fan-Temp-Pin 4 ：

Mute-Pin 6 ：

4. Function description

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MN

=RT1 → TEMPERATURE SENSOR

=RT2 → TEMPERATURE SENSOR

M N

4. Function description