Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
4 Ports Mini-SAS
Backplane
User Manual Rev. 1.0
Supplier : Chenbro Micom Co., Ltd .
Description : 4 Ports Mini-SAS Backplane
Chassis : SR209/SR105/SR107/SR108/RM314
Part No : 80H102209-013
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Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
Copyright
This document is copyrighted, 2004, by Chenbro Micom Co., Ltd. All rights are reserved.
Chenbro Micom Co., Ltd. reserves the right to make improvements to the products
described in this manual at any time. Specifications are thus subject to change without
prior notice.
No part of this manual may be reproduced, copied, translated, or transmitted in any
form or by any means without the prior written permission of Chenbro Micom Co., Ltd.
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
We want you to get the maximum performance from your products. So if you run into
technical difficulties, we are here to help. For the most frequently asked questions, you
can easily find answers in your product documentation. These answers are normally a
lot more detailed than the ones we can give over the phone.
So please consult this manual first. If you still cannot find the answer, gather all the
information or questions that apply to your problem, and with the product close at hand,
call your dealer. Our dealers are well trained and ready to give you the support you
need to get the most from your Chenbro products. In fact, most problems reported are
minor and are able to be easily solved over the phone.
In addition, free technical support is available from Chenbro engineers every business
day. We are always ready to give advice on application requirements or specific
information on the installation and operation of any of our products.
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4-Ports Mini-SAS Backplane User’s Manual
Category
1 General Hard-Ware Specification
2 Backplane Layout
3 Backplane Photo
4 Backplane Cable Information
5 Backplane Ordering Information
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Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
General Hardware Specification
Host Interface Mini SAS (SFF-8087) interfaces(single path)
HDD connector (power+drive : 7+7+15 pins) for SAS
HDD Interface
Hot-Swap
Functionality
LED Display
(Serial Attached SCSI) drive , also compatible to
SATA II drive (7+15 pins)
Support inrush current control and Pre Charge for
drive hot-swapping (allow on line replace Hard Disk
Drive)
On Board LED indicates Hard Disk Drive status:
Power LED – Blue color (When HDD is present )
Access LED –Green color (When HDD is busy )
Error LED –Red color (When HDD is fail )
1. Fan speed monitoring :
a. 3P3C connector disable/enable by DIP sw.
b. Fan alarm threshold is 2000rpm
2. Overheat monitoring :
a. Two temperature sensors on HDD site
b. Two optional Temp. selection :55℃/65℃
3.Redundant PSU monitoring :
Alert Monitoring
a. PSU fail signal input : TTL signal input (normal
high and pull-high resistor is required)
b .PSU alarm mute output : short two pins together
when alarm mute switch (on the front site) is
pressed
4. Alert Notification :
a. Support one buzzer for audible alarm
b. 1× fail LED outputs for fan/overheat/PSU failure
events (on the front site)
c. 1 x alarm mute button for disabling audible
alarm
d. Fan & overheat fail will trigger both audible
alarm & fail LED , PSU will trigger fail LED only ,
but will trigger its audible alarm on PSU
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Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
1. HDD activity LED source is selected by 2 x 5 pins
headers “jumper setting” for :
a. from pin 11 of HDD (As HDD support )
b. or external HBA Card by adapter wire
HDD Fail and
Activity
Functionality
supported
Connectors
2. HDD Faulty LED “Red color”, Driven from RAID
HBA Card by bellowing interface required :
a. SGPIO : follow the SFF-8485 specification
b. Discrete : need one discrete cable (port to port)
connection only reserved for those RAID HBA
cards provides such interface
c. I2C : will be the “slave” design on the
backplane board, reserve 4 pins (CLK, D/A,
GND and +5V)
1. SAS(15+7+7 pins) x 4( for HDD )
2. MINI-SAS Connector x 1(SFF-8087)
3. DC power connectors in big 4-pin D-type x 2
for +5V, +12V from power supply
4. Power alarm and mute connectors x 2
5. I2C Connector x 1
6. SGPIO Enable connector x 1
7. HDD Activity connector x 1
8. HDD Fail connector x 1
9. Fan (3P3C) connectors x 2
Above detail pin definition see below information
Dimension 107.8(L) x 114.8(W) x 2.4(H) mm
Material FR4 4layer
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Backplane Layout
Backplane Connectors
Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
Front view (HDD slot In)
CN41
CN31
CN21
CN11
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Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
Rear View (Host Connector In )
JC1
CN7
CN9
CN3
CN4
CN2 CN1 CN5
JP1 JF1
JM1 JF2
SW1
(1) [CN11/CN21/CN31/CN41] : 29-pins SAS HDD connector
(2) [CN7] : Min-SAS Host connector
(3) [CN3 /CN4] : Power connectors
(4) [CN1] : External HDD Activi ty LED Signal Input connector (from RAID Card)
(5) [CN2] : HDD Fail LED Signal Input connector (from RAID Card)
(6) [CN5] : Fan/PWR/Temp. Fail LED output connector (to Front Panel LED Display)
(7) [JF1/JF2] : Fan connectors
(8) [SW1] : Functionality / Mode Setting
(9) [JP1] : Power Failure Input (From Redundant Power Supply)
(10) [JM1] : Power Failure Alarm Mute Output (to Redundant Power Supply)
(11) [JC1] : I2C connector for HDD Fail (from RAID Card)
(12) [CN9] : pin header for SGPIO enable/disable jumper setting
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4-Ports Mini-SAS Backplane User’s Manual
Pin Assignment
[CN1] HDD Activity LED Connector
Pin Def. HDD No.
Chenbro SR209/105/107/108
1 CN11
3 CN21
5 CN31
7
9 Key Pin
10 N/A
1 & 2 CN11
3 & 4 CN21
5 & 6 CN31
7 & 8
External Activity LED Signal
Input
(Remove jumper then plug
adapter wire to connect
RAID card)
As HDD can support activity
LED signal , using jumper to
close each two pins shown
left side
CN41
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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[JP1] Redundant PSU Module Fail Connector
g
Pin Def.
1 GND
2
Power Fail Signal (TTL Active Low)
[JM1] Alarm Mute Connector
Pin Def.
1 Switch 2 Switch +
[JC1] I2C Connector
Pin Def.
1 SDA
2 GND
Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
3 SCL
4 +5V
[CN9] SGPIO Enable/Disable Connector
Pin Def.
1&2 close Enable 1&2 open Disable
[SW1 (1)] DIP Switch Function
Fan1 Detection Enable/Disable SW1-1
Enable ON
Disable OFF
[SW1 (2)]
Fan2 Detection Enable/Disable SW1-2
Enable ON
Disable OFF
[SW1 (3)]
Temperature Settin
65 Degree C ON
55 Degree C OFF
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SW1-3
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Backplane Photo
Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
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Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
Backplane Cable Information
1. Please refer to below compatible Mini-SAS cable for HBA HOST
All of Mini-SAS cables are including SGPIO signal inside (Side Band)
Item no. Description Part No. Photo Fig. No. Length
1 Mini-SAS(36 pins) to Mini-SAS(36 pins) 26H113215-012 A 0.6m
2 Mini-SAS(36 pins) to Mini-SAS(26 pins) (TBD) A
3 Mini-SAS(36 pins) to 4 x SATA(7 pins) 26H11321 5- 0 1 0 B 0.6m
4 Mini-SAS(36 pins) to Wide Port (32 Pins) (TBD) C
Fig. A
Fig. B
Fig. C
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Chenbro SR209/105/107/108
4-Ports Mini-SAS Backplane User’s Manual
2. Please refer to below adapter cable for HDD activity LED in case HDD
can’t support activity signal
For Areca , 3Ware and High Point RAID Card wiring diagram :
HDD Pin
1 1 N/A
HDD LED Adapter Cable (1 x 5pins to 1 x 4pins) RAID
Cable Part No. : 26H113322-001
2 3 HDD4
3 5 HDD3
4 7 HDD2
Key
9
Pin
Compatible Chassis Model List
Part No. Description Chassis Model
SR209 (required 1 pcs)
SR105 (required 1 pcs)
SR107 (required 2 pcs)
80H102209-013
4 ports MINI-SAS Backplane with SGPIO/I2C
functionality for HDD fail LED
Card
HDD1
SR108 (required 2 pcs)
RM314 (required 2 pcs)
Ordering Information for HDD Cage
Part No. Description Chassis Model
84H220910-045 4 ports MINI-SAS HDD Cage (BK) SR209/SR105
84H220910-046 4 ports MINI-SAS HDD Cage (Beige) SR209/SR105
84H210710-056 4 ports MINI-SAS HDD Cage (BK) SR107/SR108
84H210710-057 4 ports MINI-SAS HDD Cage (Beige) SR107/SR108
TBD 4 ports MINI-SAS Backplane Assembly RM314
Note :
Above mentioned part no. of HDD cage is not including
Mini-SAS cable , it’s additional item for ordering !
If needs it , pls request your sales representative to process
order
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