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 mo dification to the pro duct s 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 infringement s upon the right s of third p arties, whi ch 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 su pport; contact Information is as
following:
Revision History ........................................................................................................................................4
LED Board 80H033215-003 ver. 1.1~1.2
User’s Manual
Hardware Specification
Specification
HDD LED – Y ellow (HDD busy)
Specification
Display
Alarm Buzzer & LED (Red)
Connectors &
Switches
Dimension 104.2 (L) x 43 (W) x 1.6 (Thickness) mm
Material FR4 4layer
Power LED – Blue (Power on)
Error LED – Red (System error )
LAN1, LAN2 LEDs – Green (Internet busy)
Backplane signal connector
Motherboard signal connector
Motherboard USB 2.0 connector
External USB 2.0 Port
Power supply alarm signal connector
Power supply alarm mute connector
Power On/Off Switch
System Reset Switch
Alarm Mute Switch
Function DIP Switch
Accommodated Chassis
This backplane can be applied to the Storage Server Chassis as below:
z RM21508B
z RM31212B
z RM41416B
www.chenbro.com
15Fl., No.150, Jian Yi Road, Chung Ho City, Taipei Hsien, Taiwan R.O.C.,
LED Board 80H033215-003 ver. 1.1~1.2
User’s Manual
Power Supply Alarm Mute Connector Definition
Pin 1: Ground
Pin 2: Alarm mute signal output to PSU (Active low)
Power Supply Alarm Signal Connector Definition
Pin 1: Ground
Pin 2: PSU fail signal (TTL) input from PSU (Active low)
Only redundant PSU come with the failure alarm and alarm mute reset control via
signal connector. Make s ure the redundant PSU that user applied come with the
connectors above.
Pin 2
Pin 1
Pin 2
Pin 1
This picture shows the standard
“2510 2-pin” type PSU alarm signal
connectors which fitting Chenbro
LED board.
Mute (Yellow & Black wire)
TTL (Red & Black wire)
www.chenbro.com
15Fl., No.150, Jian Yi Road, Chung Ho City, Taipei Hsien, Taiwan R.O.C.,