3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
-3-
Revision History
Date Modifications
May / 05 / 2011 First Release
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
-4-
Safety Information
Read the installation instructions before connecting to the power source.
Only trained and qualified personnel should be allowed to install, replace or service this
equipment.
Never install this product in a wet environment.
Position system cables and power cables carefully; route system cable and the power
cable and plug so that they cannot be stepped on or tripped over. Be sure that nothing
rests on your system component cables or power cable.
Conventions Used in this Manual
The following conventions are used in this manual.
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3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Introduction
About this Guide
The SAS expander backplane user’s manual provides the information for functions,
capabilities, configuring and assembly / disassembly of this backplane.
Introducing the SAS Expander
SAS expander expands one SAS address to a number of additional ports. It is an optimal
device for usage in data centers.
Backplane
The CHENBRO SAS Expander Backplane provides high performance, 24 x 3.5” disk drives
connectivity and flexibility in RM418/RM417 . It is a valuable solution to other expansive
and complex topologies. The SAS expander is ideal for high availability, scalable server
clustering environments, front-end storage subsystems used in clusters, SANs and NAS
environments.
The CHENBRO SAS Expander Backplane is based on LSI SAS2 X36 IC that enables the
connection of 24 drives in directly attached SAS or SATA HDD. This Backplane performs
SAS and SATA transfer rate at 6.0 Gbit/s or 3 Gbit/s with individual configurations.
The SAS expander IC supports the Serial SCSI Protocol (SSP), SATA Tunneled Protocol
(STP) and Serial Management Protocol (SMP). Those are based on SAS protocol and
described in the SAS standard.
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Features
General
• To expand one Mini-SAS port (SFF-8087) to 24 x SATAII/SAS 3.5” HDD
• Support HDD Failure / Activity Indication and HDD ID Mapping
• Support RM418/RM417 only
High-Speed I/O
• 6.0 Gbit/s or 3.0 Gbit/s operations
• Automatic negotiation of linking speed
Application
• SAS / SATA HDD NAS storage sever or enclosure
• Security system
• Video streaming / editing workstation
SAS expander Backplane must be used only with SAS RAID card
The supported HDD quantity is depended on the capability of the
SAS RAID card in the system.
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Technical Specification
80H10341801A0 (3.5” 24-port SAS Expander Backplane)
Specification
Host Interface Mini-SAS
HDD Interface SAS
Hot-Swap Yes, allows user to on line replace Hard Disk Drive
LED indicates Hard Disk Drive status
Display
Environment Monitor Temperature senor detect(RT1, RT2)
Power LED – Blue (When HDD is present)
Access LED – Green (When HDD is busy)
Error LED – Red (When HDD is error)
1. SAS29 *24
2. Mini-SAS Connector (Input from Raid card) *1
3. Mini-SAS Connector (output for next expansion) *1
Connectors
Dimension 426.5(L) x 165.3(W) x 2.4(H) mm
Material FR4 8 layer
4. Standard 4P Power connector *8 ( +5V, +12V from power
supply)
5. Pin Header 2.54mm (2x3)
6. Wafer 2.54mm Connector 2P *2
7. 4P PWM Fan Connectors *6
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
-8-
Accommodation Chassis
RM41736H02
RM41824H02
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
JC1
JC4
JP8
CB1
CB2
SW1
JC5 JF1 JF2 JF3 JF4 JF5 JF6
JF7
JP7
JP6
JP5
JP4
JP3
JP2
JP1
JC3\
JC6
CN341
CN201
CN161
CN121
CN
081
CN
041
CN231
CN191
CN151
CN111
CN
071
CN
031
CN221
CN181
CN141
CN
101
CN
061
CN
021
CN211
CN171
CN131
CN
091
CN
051
CN
011
User’s Manual
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SAS Expander Backplane Outlook
HDD Side
Host Side
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Components Description Function
CB1
CB2
JP1 ~ JP8
CN011 ~
CN241
JF1~JF6 Fan Connecter 4 Pins Connecter With PWM Function
JF7 Fan Connector 2 Pins Connector For Heat Sink Cooling Fan ( not used )
JC1 RS232 Connector For Debug ( only for Chenbro Technician )
JC3 Firmware Upload Connector For Firmware Update ( only for Chenbro Technician )
Mini-SAS SFF-8087 Connector
– Internal Input
Mini-SAS SFF-8087 Connector
– Internal Output
DC in, 4-Pin connector For backplane power source from power supply
SATAII / SAS HDD connecter Connect to 22pin SATAII or 29pin SAS 3.5” HDD
Internal input from SAS RAID Card
Internal output to rear window for expansion
JC4, JC5
JC6
SW1
Alarm、、、、Mute Connecter
Chassis Failure LED And Alarm
Mute Signal Connector
DIP Switch
(for FAN and Temperature)
Fan Connector Pin Definition (JF1 ~ JF6)
Pin
Descriptions
NO.
1 GND
2 12V
3 FAN Clock Input
4 FAN PWM Output
Power Failure Connector Pin Definition (JC4)
JC4 = PSU Failure connecter (connect to PSU)
JC5 = PSU Mute connecter (connect to PSU)
Send Chassis Failure LED And Alarm Mute Signal To
Chassis Front LED / Control Board
Set FAN Function and Temperature Level
Pin
Descriptions
NO.
1 GND
2 Fail signal Input(Active Low)
Power Alarm Mute Connector Pin Definition (JC5)
Pin
Descriptions
NO.
1 MUTE -
2 MUTE +
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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RS232 Connector Pin Definition (JC1)
Pin
Descriptions
NO.
1 GND
2 KEY PIN
3 RXD
4 TXD
Fan Connector Pin Definition (JF7)
Pin
Descriptions
NO.
1 GND
2 12V
Front LED / Control Board Connector Pin Definition (JC6)
Pin
Descriptions
NO.
Pin
Descriptions
NO.
1 FAIL LED + 2 FAIL LED -
3 KEY PIN 4 NC
5 MUTE SW + 6 MUTE SW -
Mini SAS Connector Pin Definition (CB1 ~ CB2)
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Pin
Descriptions
NO.
Pin
Descriptions
NO.
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 NC B8 NC
A9 NC B9 NC
A10
A11
A12
A13
A14
A15
NC B10
NC B11
GND B12
RP3 B13
RN3 B14
GND B15
NC
NC
GND
TP3
TN3
GND
A16
A17
A18
RP4 B16
RN4 B17
GND B18
SW1 Function Definition
SW1-1: FAN Quantity Setting
Sw1-1 FAN
ON 6
OFF 4
TP4
TN4
GND
SW1-2: PWM Enable/Disable Setting
Sw1-2 PWM
ON Enable
OFF Disable
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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SW1-3: TEMP Threshold Setting
Sw1-3 TEMP
ON
OFF
65℃
55℃
SW1-4: FAN Enable/Disable Setting
Sw1-4 FAN
ON Enable
OFF Disable
SW1-5: BUZZER Enable/Disable Setting
Sw1-5 BUZZER
ON Enable
OFF Disable
SW1-6: SES Enable/Disable Setting
Sw1-6 SES
ON Enable
OFF Disable
POWER Connector (JP1 ~ JP8)
Pin
Descriptions
NO.
1 12V
2 GND
3 GND
4 5V
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Mechanical Dimension
80H10341801A0 ( 3.5” 24-port SAS Expander Backplane)
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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PWM (Pulse Width Modulation) Function of Backplane
See the table below for PWM level
Duty Cycle
Under 45℃ (113℉)
45℃~50℃ (113℉~122℉)
50℃ (122℉) and above
50%
85%
100%
Mini-SAS Cables
RM23212 SAS Expander Backplane provides most benefits to users using various SAS RAID card via
different conversion cables. Chenbro provides various cables for different interfaces which include the
followings:
(A) (B)
Type
A1
A2
A3
A4
Host (RAID Card) Side
Mini-SAS
(SFF-8087 36pin)
Mini-SAS
(SFF-8087 36pin)
Mini-SAS
(SFF-8087 36pin)
Mini-SAS
(SFF-8087 36pin)
B SATA-7Pin x4
Connector Cable
P/N Length
Backplane Side
Mini-SAS
26H113215-027 200 mm
(SFF-8087 36pin)
Mini-SAS
26H113215-028 350 mm
(SFF-8087 36pin)
Mini-SAS
26H113215-029 500 mm
(SFF-8087 36pin)
Mini-SAS
26H113215-030 600 mm
(SFF-8087 36pin)
Mini-SAS
26H113215-010 600 mm
(SFF-8087 36pin)
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Compatible SAS RAID Cards
Manufacture
Model Number
3Wware 9750-8I
MegaRAID 9260-8I
1680DI-IX20-16
52445
The maximum quantity of supported physical drives per SAS RAID Card is
depended on the capability of the SAS RAID card in the system. Refer to the
technical document or user guide provided by RAID card manufacturer.
How To Assemble On The HDD Cage
Step 1 : Attach 8 pcs right angle “ L “ shape metal bracket on the backplane by screws
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Step 2 : Aim at the three “T” shape stand off on the top of backplane then press downward
until backplane fasten and align with mounting holes
Step 3 : Attach three screws on the top of backplane and fix the backplane on the HDD cage
3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
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Step 4 : Attach 8 pcs screws on the right angle “ L “ shape metal bracket and fix the
backplane on the HDD cage
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