Chenbro RM23612 User Manual

12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

CHENBRO

Storage Chassis

12-Port 6Gb/s Mini-SAS Backplane

80H10323602A1

User’s Manual

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Feb / 10 / 2013

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Copyright

Copyright © 2013 Chenbro Micom Co., Ltd.. All rights reserved.

Unless otherwise indicated, all materials in this manual are copyrighted by Chenbro Micom Co., Ltd.. All rights
reserved. No part of this manual, either text or image may be used for any purpose other than internal use within
purchasing company. Therefore, reproduction, modification in any form or by any means, electronic, mechanical or
otherwise, for reasons other than internal use, is strictly prohibited without prior written permission.

Chenbro Micom Co., Ltd. reserves the right to make improvement and modification to the products indicated in this
manual at any time. Specifications are therefore subject to change without prior notice.

Information provided in this manual is intended to be accurate and reliable. However, Chenbro Micom Co., Ltd.,
assumes no responsibility for its use, nor for any infringements upon the rights of third parties, which may result from
its use.

Technical Support

Chenbro works hard to offer our customers maximum performance from our chassis. But in case you have
any problem with our product you can find supports from the following resources.

Web Support

Detail information of our products is in our website. You can find technical updates, installation guides, FAQs,
technical specifications and more. Our web address is: www.chenbro.com.

Email Support

You can also fill out the technical support form at our Technical Support page. You technical issue inquiries will be
sent directly to our support professionals.

Phone Support

You can also contact Chenbro HQ or branch office for immediate support; contact Information is as following:

Chenbro HQ Chenbro Europe B.V.

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Chenbro Micom (USA) Inc.

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Fax: [phone] Fax: [phone] Fax : [phone]

Chenbro UK LTD Chenbro China Office

Tel: [phone] Tel: [phone]
Fax: [phone]

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Contents
Technical Support
Copyright
Revision History
Backplane Specification
Backplane Hardware
Backplane Assembly
Backplane Wiring

Appendix

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Revision History

Date Modifications

Feb / 10 / 2013  First release (V1.0)

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

6Gb/s Backplane Specification

P/N : 80H10323602A1 (Version A0)

Specification
Host Interface
HDD Interface
Hot-Swap

Display

Cooling
Audio
Environment Monitor

Connectors

MINI-SAS
SAS
Yes, allows user to replace hard disk drive during power on
LED indicates Hard Disk Drive status

Power LED – Blue (When HDD is present)
Access LED – Green (When HDD is busy)
Error LED – Red (When HDD is error)

Four PWM fan connector
One system monitor buzzer warning
Temperature sensor detect (RT1, RT2)

1.SAS 29P *12

2.MINI-SAS Connector *3

3.Standard 4P Power connector *4 for +5V, +12V from power
supply

4. 2P Wafer Connector 2.54mm (1x2) *1 -- CN06

5. Pin header 2.54mm (2x3) *1 -- CN05

6. 2510 Wafer Connector 2.54mm (1x2) *2 -- JP1 & JM1

7. 2510 Wafer Connector 2.54 (1x4)*4 -- JF1 ~ JF4

Dimension
Material

425(L) x 72.7(W) x 2.4(H) mm
FR4 4 layer

Accommodation Chassis

 RM23612

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1

JM1

User’s Manual

Backplane Hardware

Backplane Layout

Front View

CH111 CH101 CH091

CH121

CH071 CH061 CH051

CH081

CH031 CH021 CH011

CH041

Rear View

JT1

JT2

CN06

JP1 CN05

CN01
CN03

CN02

CB3

CB2

CN04

JF1 JF2 JF3 JF4

CB1

SW1

JA4

JA3

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Components Description Function
CN011 ~ CN121 29 pin SAS Connector – to HDD For SAS/SATA HDD connection
CB1 ~ CB3 Mini-SAS SFF-8087

Connector – Input
JF1 ~ JF4 PWM fan Connector Chassis cooling fan connection
CN01 ~ CN04 Power Connector DC in, 4-Pin, +5V/+12V from Power Supplier
SW1 DIP Switch The function is for fan control enable and disable

JP1 Power Failure Alarm Connector Connect to Redundant PSU for power failure alarm

JM1 Power Failure Mute Connector Connect to Redundant PSU for power failure mute

CN05 LED board connector Signal connection to chassis LED board
CN06 M/B PWM fan Connector Gets either PWM duty cycle of M/B or B/P for

Internal input from SAS RAID Card or M/B

switching.

signaling

signaling

comparison to control fan speed , required one
optional special cable (26H11313601A0)

(Please see Appendix 1 for duty cycle definition)
JA3/JA4 Multi ICE pin connector Factory reserved for upgrade & debug
JP2/JP3 IIC Connector Factory reserved
JT1/JT2 Test Connector Factory reserved for thermal contact

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Backplane Connectors

POWER Connector (CN01 ~ CN04)

Pin

Descriptions

NO.

1 12V
2 GND
3 GND
4 5V

Remarks: Average loading is 7A for one connector

Fan Connector (JF1 ~ JF4)

Pin

Descriptions

NO.

1 GND
2 12V
3 FAN Clock Input
4 FAN PWM Output

MB PWM Connector (CN06)

Pin

Descriptions

NO.

1 FAN Clock Output to MB
2 FAN PWM Input from MB

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

SW1 FUNCTION

SW1-1: FAN1 Monitor Enable/Disable Setting

Sw1-1 FAN1

ON Enable

OFF Disable (Default)

SW1-2: FAN2 Monitor Enable/Disable Setting

Sw1-2 FAN2

ON Enable (Default)

OFF Disable

SW1-3: FAN3 Monitor Enable/Disable Setting

Sw1-3 FAN3

ON Enable (Default)

OFF Disable

SW1-4: FAN4 Monitor Enable/Disable Setting

Sw1-4 FAN4

ON Enable (Default)

OFF Disable

SW1-5: MB PWM Monitor Enable/Disable Setting

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Sw1-5 MB PWM

ON Enable

OFF Disable (Default)

SW1-6: TEMP Threshold Setting

Sw1-6 TEMP

ON

OFF

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55℃℃℃℃(Default)

65℃℃℃℃

12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

HDD IN Connector pin assignment (CH011 ~ CH121)

Pin

Pin

Descriptions

NO.

NO.
S1 GND P1 NC
S2 RP P2 NC

Descriptions

S3 RN P3 NC
S4 GND P4 GND
S5 TN P5 POWER ENABLE
S6 TP P6 GND
S7 GND P7 5V PRE-CHARGE
S8 NC P8 5V
S9 NC P9 5V

S10
S11
S12
S13
S14

NC P10
NC P11
NC P12
NC P13
NC P14

P15

GND

ACCESS SIGNAL

GND

12V PRE-CHARGE

12V
12V

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Mini SAS CONNECTOR (CB1 ~ CB3)

Front View

Pin No.

Descriptions Pin No. Descriptions

A1 GND B1 GND
A2 RP1 B2 TP1
A3 RN1 B3 TN1
A4 GND B4 GND
A5 RP2 B5 TP2
A6 RN2 B6 TN2
A7 GND B7 GND
A8 SG_CK B8 NC

A9 SG_LD B9 GND
A10 GND B10 SG_DO
A11 NC B11 SG_DI
A12 GND B12 GND
A13 RP3 B13 TP3
A14 RN3 B14 TN3
A15 GND B15 GND
A16 RP4 B16 TP4
A17 RN4 B17 TN4
A18 GND B18 GND

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1

pin) see note

User’s Manual

Backplane Assembly

The Chenbro 12-Port 6Gb/s Mini-SAS Backplane can be assembled on Chenbro Storage Server Chassis
RM23612 only. Please refer to the Chassis Quick Installation Guide for detail information.

Figure : Front and Rear View of 12 port Backplane

Backplane Wiring

Chassis Fan x4 ( Max.)

HBA / RAID Card

Mini-SAS cable

Fan cable

M/B PWM / clock Fan signal

Note :

cable ( 2-pin to 4-

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This optional cable
(26H11313601A0) subjects to PWM
and clock signal connection
between M/B and B/P, to get PWM
duty signal ( depends on thermal
sensor on M/B ) for comparison
with B/P and control fan speed.
Meantime, report fan clock signal to
M/B for fan speed indication in the
system.

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12-Port 6Gb/s Mini-SAS Backplane 80H10323602A1
User’s Manual

Appendix 1

PWM fan duty cycle definition table

Temperature (℃)
<= 31℃
32℃
33℃
34℃
35℃
36℃
37℃
38℃
39℃
40℃
41℃
42℃
43℃
44℃
45℃

Loading percentage (%)
34%
38%
42%
46%
50%
54%
58%
62%
66%
70%
73%
76%
79%
82%

85%
46℃
47℃
48℃
49℃
>= 50℃

88%

91%

94%

97%

100%

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