Chenbro SR105 Plus User Manual

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Chenbro SR105 Plus User Manual | Manualzz

SR105 Plus Series

Server Chassis User Manual

January 2020 Version 2.3

A document provides an overview of product features, functions, architecture, and support specifications .

SR105 Plus Series

DISCLAIMERS

No license (express or implied, by estoppel or otherwise) to any intellectual property rights is granted by this document.

Chenbro disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

This document contains information on products, services and/or processes in development. All information provided here is subject to change without notice. Contact your Chenbro representative to obtain the latest Configuration Guide.

The products and services described may contain defects or errors known as errata which may cause deviations from published specifications. Current characterized errata are available on request.

Chenbro, and the Chenbro logo are trademarks of Chenbro Micom Co., Ltd. in the worldwide.

*Other names and brands may be claimed as the property of others

© 2019 Chenbro Micom Co., Ltd.

SR105 Plus Series

Table of Contents

Table of Contents .......................................................................................................................................... 3

List of Figures ................................................................................................................................................ 4

List of Tables ................................................................................................................................................. 5

1.

Product Overview .............................................................................................................................. 6

1-1 Front Panel .................................................................................................................................. 7

1-2 Back Panel ................................................................................................................................... 8

1-3 Security Features ......................................................................................................................... 9

1-4 Front Control Panel ................................................................................................................... 10

2.

1-5 Chassis Dimensions ................................................................................................................... 11

1-6 Interior View ............................................................................................................................. 12

1-7 System Level Environmental Specifications ................................................................................ 13

1-8 Syst em Packaging ..................................................................................................................... 14

System Components Installation and Removal ................................................................................ 15

2-1 Side Cover Installation ............................................................................................................... 15

2-2 Front Bezel Installation .............................................................................................................. 16

2-3 5.25” Device Installation ............................................................................................................ 17

3.

4.

2-4 HDD Cage Installation ................................................................................................................ 19

2-5 Optional Fan (Add-In-Card Area) Installation .............................................................................. 24

2-6 Rear Fan Maintenance ............................................................................................................... 25

2-7 Power Supply Installation .......................................................................................................... 26

Backplane ....................................................................................................................................... 27

3-1 Storage Backplane Options ........................................................................................................ 28

3-2 3.5” 4-Port 12Gbps Mini-SAS HD Backplane ............................................................................... 29

3-3 3.5” 4-Port 12Gbps SAS/SATA Backplane .................................................................................... 32

Maintenance and Service ................................................................................................................ 35

SR105 Plus Series

List of Figures

Figure 1 Front panel (enclosed) ................................................................................................................ 7

Figure 2 Front panel (open) ...................................................................................................................... 7

Figure 3 Back panel with redundant PSU .................................................................................................. 8

Figure 4 Back panel with single PSU ......................................................................................................... 8

Figure 5 Key lock and Kensington slot location ......................................................................................... 9

Figure 6 Intrusion switch location ............................................................................................................ 9

Figure 7 Front control panel ................................................................................................................... 10

Figure 8 Front control panel ................................................................................................................... 10

Figure 9 Chassis dimensions ................................................................................................................... 11

Figure 10 Chassis components ................................................................................................................. 12

Figure 11 Side cover installation ............................................................................................................... 15

Figure 12 Bezel installation ...................................................................................................................... 16

Figure 13 Bezel removal ........................................................................................................................... 16

Figure 14 5.25” device blank removal ...................................................................................................... 17

Figure 15 5.25” device side rail installation .............................................................................................. 17

Figure 16 5.25” device installation ........................................................................................................... 18

Figure 17 3.5” internal HDD cage installation ........................................................................................... 19

Figure 18 3.5” hot-swap HDD cage installation ......................................................................................... 19

Figure 19 3.5” hot-swap HDD cage fan maintenance step-1 ..................................................................... 20

Figure 20 3.5” hot-swap HDD cage fan maintenance step-2 ..................................................................... 20

Figure 21 3.5” hot-swap HDD tray removal .............................................................................................. 21

Figure 22 3.5” hot-swap HDD tray installation .......................................................................................... 21

Figure 23 3.5” HDD installation (tool-less type) ........................................................................................ 22

Figure 24 3.5” HDD installation (screw type) ............................................................................................ 22

Figure 25 2.5” HDD installation (screw type) ............................................................................................ 23

Figure 26 Optional fan installation ........................................................................................................... 24

Figure 27 Optional fan removal ................................................................................................................ 24

Figure 28 Rear fan maintenance step-1 .................................................................................................... 25

Figure 29 Rear fan maintenance step-2 .................................................................................................... 25

Figure 30 Single PSU installation .............................................................................................................. 26

Figure 31 Redundant PSU installation ...................................................................................................... 26

Figure 32 Drive tray LED identification ..................................................................................................... 27

Figure 33 Backplane front view ................................................................................................................ 29

Figure 34 Backplane rear view ................................................................................................................. 30

Figure 35 Backplane front view ................................................................................................................ 33

Figure 36 Backplane rear view ................................................................................................................. 33

SR105 Plus Series

List of Tables

Table 1 Chenbro SR105 Plus specifications ............................................................................................... 6

Table 2 Front control panel .................................................................................................................... 10

Table 3 System environmental specifications summary .......................................................................... 13

Table 4 System packing information ....................................................................................................... 14

Table 5 Product weight information ....................................................................................................... 14

Table 6 Drive power LED/activity LED behavior ...................................................................................... 27

Table 7 Backplane specifications ............................................................................................................ 29

Table 8 Connector and pin header function description ......................................................................... 30

Table 9 Backplane specifications ............................................................................................................ 32

Table 10 Connector and pin header function description ......................................................................... 34

SR105 Plus Series

1.

Product Overview

The SR105 chassis has been modified to support both toolless 3.5” HDD tray and PCIe 3.0 slot, and transform ed into featureadvanced SR105 Plus. Beneath the chassis, an information sticker reads revision and manufacturing code, necessary for technical support.

Feature

Table 1 Chenbro SR105 Plus specifications

Description

MB Form Factor

Dimension

(Dx W x H)

Drive Bay

Storage Backplane

PSU Form Factor

Indicator

Front Control

Cooling Fan

System Security

Expansion Slot Opening

Net Weight

Gross Weight

Cubic Feet

Container Loading

Slide Rail

SSI EEB (12” x 13”)

533.0 x 198.0 x 425.0 (mm)

20.98

” x 7.8

0 ” x 16.7

3 ” (w/o bezel)

3 x 5.25" External , 4 x 3.5" Hot-swap (Option), 4 x 3.5” Internal (Option)

1 x 3.5" 4-port 12Gbps Mini-SAS HD Passive Backplane

1 x 3.5" 4-port 12Gbps SAS/SATA Passive Backplane

PS/2 Single or N+1 Redundant

1 x Power Status, 2 x LAN Activity, 1 x HDD Status, 1 x System Alarm

1 x Power On/Off, 1 x System Reset, 1 x Alarm Mute, 2 x USB2.0/USB3.0 (Option)

HDD Cage: 80 x 25 mm (1), PCI: 80 x 25 mm (1) (Option), Rear: 120 x 25 mm (1)

Intrusion Switch, Key Lock, Kensington Slot

7 x Full Height (5 x Full Length + 2 x Half Length)

9.0 kg/19.82 lb

11.0 kg/24.23 lb

3.31

20’: 315, 40’: 651, 40’H: 720 (Single Packing)

Supported

1-1 Front Panel

A.

5.25” Storage Drive Bay

B.

Front Control Panel

Figure 1 Front panel (enclosed)

C.

USB Port Blank

SR105 Plus Series

A.

Bezel Door

B.

3.5” Storage Drive Bay

Figure 2 Front panel (open)

C.

Front Control Panel

D.

USB3.0

1-2 Back Panel

A.

1+1 Redundant PSU

B.

Rear I / O

Figure 3 Back panel with redundant PSU

C.

Rear Fan

D. Expansion Slot Opening

SR105 Plus Series

A.

PS/2 Single PSU

B.

Rear I/O

Figure 4 Back panel with single PSU

C.

Rear Fan

D. Expansion Slot Opening

SR105 Plus Series

1-3

Security Features

Figure 5 Key lock and Kensington slot location

A. Key Lock

B. Side Cover Lock

Figure 6 Intrusion switch location

C.

Kensington Slot

D. Intrusion Switch

9

SR105 Plus Series

1-4 Front Control Panel

Figure 7 Front control panel

F

G

D

E

Label

A

B

C

ICON

Figure 8 Front control panel

Table 2 Front control panel

Indicator, button or connector

Power Button

LAN1, LAN2 Activity LED

Power LED

HDD Activity LED

Fan Alarm LED

System Reset Button

Fan Alarm Reset Button

10

1-5 Chassis Dimensions

SR105 Plus Series

Figure 9 Chassis dimensions

11

1-6 Interior View

A.

3.5” HDD Cage

B.

Power Supply Unit

Figure 10 Chassis components

C.

Fan Assembly (HDD Cage)

D.

5.25” Storage Drive Bay

E.

PCIe Fan (Option)

F.

System Board

SR105 Plus Series

12

SR105 Plus Series

1-7 System Level Environmental Specifications

The following table defines the system level specifications under operating and non-operating environments.

Parameter

Temperature

Temperature

Humidity

Unpackaged

Shock

Vibration

Sag & Bow

EMI

Pre-scan

Table 3 System environmental specifications summary

Operating

Non-Operating

Non-Operating

Non-Operating

Specification

5º C to 35º C (41º F to 95º F)

-40º C to 70º C (-40º F to 158º F)

50% to 90%, non-condensing with a maximum wet bulb of 28° C (at temperatures from 25° C to 35° C)

Trapezoidal, 25 g, velocity change is based on product weight

Operating

Non-Operating

Radiated Emissions

5 Hz @ 0.0002 g2/Hz to 350 Hz @ 0.0002 g2/Hz

Input acceleration is 0.26 g RMS

10 minutes per axis for all 3 axes on all samples

Random control limit tolerance is ± 3 dB

Tolerance analysis among rack, rail and chassis

Actual on rack test with EIA Go-NoGo fixture

CISPR CLASS A (under 6 dB):

30~1000 MHz vertical/horizontal

1G~6G GHz vertical/ horizontal

1G~18G GHz vertical/horizontal

RVI Operating

Packaged

Vibration

Packaged

Drop

Non-Operating

Non-Operating

Drop height change is based on product weight

Non-palletized product:

Investigation: Test requirement is 6 face drops, 8 corner drops and 12 edge drops for a total of 26 drops

Perform two bottom drops at the specified height, 10 bottom drops at one half of the specified height

Perform 4 rotational edge drops (one per edge) at the specified height

13

SR105 Plus Series

1-8 System Packaging

The original Chenbro packaging, where the server system is delivered, is designed to provide protection to a fully configured system and tested to meet ISTA (International Safe Transit Association) Test Procedure 1A. The packaging is also designed to be reused for shipment after system integration has been completed.

The original packaging includes the shipping box, and various protective inner packaging components, which are designed to function together as a protective packaging system. When reused, all of the original packaging material must be used, including box and each inner packaging component. In addition, all inner packaging components MUST be reinstalled in the proper location to ensure adequate protection of the system for subsequent shipment.

Part Number

Table 4 System packing information

Single/Bulk Form Factor ( mm) Support Level

387-10569-2100A0 Single 315 x 651 x 720 L5

NOTE: The design of the inner packaging components does not prevent improper placement within the packaging assembly.

There is only one correct packaging assembly that will allow the package to meet the ISTA (International Safe Transit Association)

Test Procedure 1A (2008). Failure to follow the specified packaging assembly instructions may result in damage to the system during shipment.

Table 5 Product weight information

Product

SR105 Plus

Unpackaged Net Weight

( kg

9.0

Packaged Gross Weight

( kg

11.0

Unpackaged Net Weight

(lb)

19.82

Packaged Gross Weight

(lb)

24.23

NOTE: A L5 system does not include motherboards, processors, memory, drives, or add-in cards. It is the system configuration as shipped from Chenbro. Weights of integrated system (system configurations that include the items above) will vary depending on the final system configuration.

14

SR105 Plus Series

2.

System Components Installation and Removal

SR105 Plus supports up to 4 x 3.5” hot -swap SAS/SATA HDD or 4 x 3.5” Internal SAS/SATA HDD.

Support for different storage and peripheral options will vary depending on the system model and/or available accessory options installed.

2-1 Side Cover Installation

Figure 11 Side cover installation

1. Insert the cover along the bottom grooves.

2. Place down the cover toward the chassis.

3. Secure the thumb screws on the top and bottom of chassis.

15

SR105 Plus Series

2-2 Front Bezel Installation

Figure 12 Bezel installation

1. Lean the right side of the bezel on the front chassis.

2. Fully attach the bezel on the front of the chassis, and make sure the two internal latches are up.

3. Push down the bezel until it is secured.

1. Lift the two internal latches up.

2. Detach the bezel tabs and remove the bezel.

Figure 13 Bezel removal

16

SR105 Plus Series

2-3 5.25” Device Installation

Figure 14 5.25” device blank removal

1. Press two sides of the latch of the blank to release the blank as shown.

2. Pull the blank out.

Figure 15 5.25” device side rail installation

1. Take the reserved side rails located inside the drive slot.

2. Attach and secure the side rail s on both sides of the 5.25” device .

17

Figure 16 5.25” device installation

1. Insert the 5.25

” device into the drive bay.

Note: Make sure both side rails are clipped on the latch.

SR105 Plus Series

18

SR105 Plus Series

2-4 HDD Cage Installation

1. Insert the fan into the reserved slot.

Figure 17 3.5” internal HDD cage installation

2. Insert the HDD cage into the chassis.

3. Secure the thumb screws on the four sides of the HDD cage.

4. Plug the fan power connector in the system board.

Figure 18 3.5” hot-swap HDD cage installation

1. Insert the HDD cage into the chassis.

2. Secure the thumb screws on the four sides of the HDD cage.

19

SR105 Plus Series

Figure 19 3.5” hot-swap HDD cage fan maintenance step-1

Figure 20 3.5” hot-swap HDD cage fan maintenance step-2

1. Unplug the power connector from the backplane.

2. Release the fan module latch and pull the fan module out of the fan cage.

3. Remove the tool-less fan holder as shown and replace the fan.

4. Insert the fan module into the fan cage.

5. Make sure the power connector go through the hole on the other side of the fan cage.

6. Plug the power connector in the backplane.

20

Figure 21 3.5” hot-swap HDD tray removal

1. Press the tray button to release the tray.

2. Pull the lever to remove the tray from the HDD cage.

SR105 Plus Series

Figure 22 3.5” hot-swap HDD tray installation

1. Insert the HDD tray into the cage.

2. Push down the lever to secure the HDD tray.

21

SR105 Plus Series

Figure 23 3.5” HDD installation (tool-less type)

1. Engage two embossed pins with the side dimples on the HDD as shown.

2. Carefully push down the other side of the HDD until another two embossed pins and side dimples lock into place.

NOTE: Due to degraded performance and reliability concerns, the us e of the 3.5” drive tray as a 2.5” d rive tray is intended to support SSD type storage devices only. Installing a 2.5” hard disk drive into the 3.5” drive tray cannot be supported.

Figure 24 3.5” HDD installation (screw type)

1. Align the front of HDD with the anchor point on the tray.

2. Assemble 3.5

” HDD with tray by four screws as shown.

22

Figure 25 2.5” HDD/SSD installation (screw type)

1. Align the front of HDD/SSD with the anchor point on the tray .

2. Assemble 2.5

” HDD/SSD into the tray by three screws from the bottom as shown.

NOTE: Dedicated screw type is required for 2.5” HDD/SSD Installation, Chenbro P/N: 384-14602-3143A0 .

SR105 Plus Series

23

2-5 Optional Fan (Add-In-Card Area) Installation

SR105 Plus Series

Figure 26 Optional fan installation

1. Attach the fan with the tool-less fan holder as shown.

2. Insert the fan module into the reserved fan slot.

NOTE: Please notice the arrow on the fan holder indicating the rear of the chassis.

3. Plug the power connector in the system board.

Figure 27 Optional fan removal

1. Unplug the power connector.

2. Release the fan module latch and pull the fan module out.

3. Remove the tool-less fan holder as shown and replace the fan.

24

SR105 Plus Series

2-6 Rear Fan Maintenance

Figure 28 Rear fan maintenance step-1

Figure 29 Rear fan maintenance step-2

1. Lift up the fan module latch at the bottom of the fan module without release.

2. Push the fan module down to remove it from the chassis.

3. Remove the fan from the tool-less fan holder as shown and replace the fan.

4. Secure the fan module by aligning four embossed pins of it with four holes on the chassis, and pushing it upward as shown.

25

SR105 Plus Series

2-7 Power Supply Installation

Figure 30 Single PSU installation

1. Place the PSU inside the chassis, and ensure the alignment for four screw holes of PSU with the bracket of the chassis.

2. Secure the four screws as shown.

Figure 31 Redundant PSU installation

1. Place the PSU inside the chassis, and ensure the alignment for four screw holes of PSU with the bracket of the chassis.

2. Secure the four screws as shown.

26

SR105 Plus Series

3.

Backplane

Each drive tray includes separate LED indicators for drive activity and drive status. Light pipes integrated into the drive tray direct light emitted from the LEDs mounted next to each drive connector on the backplane to the drive tray faceplate, making them visible from the front of the system.

Figure 32 Drive tray LED identification

LED

A

B

ICON

Table 6 Drive power LED/activity LED behavior

LED

Power LED

Activity LED

Color

N/A

Blue

Green

Red

Behavior

Stay off

Solid on

Solid on

Solid on

1Hz blink

4Hz blink

Condition

Fault

Present

Access

Failure

Rebuild

Locate

NOTE: The drive activity LED is driven by signals from the drive itself. Drive vendors may choose to operate the activity LED differently from what is described in the table above. Should the activity LED on a given drive type behave differently than what is described, customers should take the drive vendor specifications as a reference for the specific drive model to determine what the expected drive activity LED operation should be.

27

SR105 Plus Series

3-1 Storage Backplane Options

SR105 Plus supports the below backplanes:

12Gbps SAS and 6Gbps SAS/SATA

29-pin SFF-8680 12Gbps rated drive interface connectors, providing both power and I/O signals to attached devices

Hot swap support for SAS/SATA devices

I2C interface from a 4-pin connector for device status communication to the BMC over SMBus

LEDs to indicate drive activity and status for each attached device

28

SR105 Plus Series

3-2 3.5” 4-Port 12Gbps Mini-SAS HD Backplane

Table 7 Backplane specifications

Specification

Host Interface Mini-SAS HD (SFF-8643)

HDD Interface

Hot-Swap

Display

SFF-8680 (SAS 29-pin)

Yes, allows users to replace devices online

Environment Monitor

Connector

Dimension (L x W x H)

Material

LED indicates storage device status

Power LED – Off (Fault)

– Blue (Present)

Activity LED – Green on (Access)

– Red on (Failure)

– Red 1Hz blink (Rebuild)

– Red 4Hz blink (Locate))

Temperature sensor TMP75

1.

2.

3.

4.

1 x Mini-SAS HD

4 x SFF-8680

4 x big 4-pin power connector for +5V & +12V from power supply

1 x pin header 2.00 mm (1 x 3)

5.

6.

1 x pin header 2.00 mm (2 x 3)

1 x pin header 2.54 mm (2 x 3)

7.

1 x pin header 2.54 mm (2 x 5)

8.

1 x 4-pin Wafer 2.50 mm

9.

2 x 2-pin Wafer 2.54 mm

10.

1 x 4-pin Wafer 2.54 mm

11.

1 x I2C

106.0 x 114.0 x 2.4 (mm)

FR4 4 layers

A.

HDD_00

B.

HDD_01

Figure 33 Backplane front view

C.

HDD_02

D.

HDD_03

29

SR105 Plus Series

Figure 34 Backplane rear view

Table 8 Connector and pin header function description

Label Connector

A

Description

Mini-SAS HD For connecting to a mainboard or HBA, this Mini-SAS HD connector is applied. A proper cable selection is essential as well to make sure good signal integrity, which can be maintained for the whole connection path from a mainboard or HBA/RAID card to the HDD devices.

B Power

C

D

Fan

Signal

Indicator

These two connectors are used to power four 3.5” hard disks, connected to this backplane, and each can ensure that all drives are supplied with stable power inputs. If the chassis fan is also powered by fan header

(JF01), this configuration is highly recommended.

There are two 4-pin headers for the PWM fan, and it is an alternative solution that the chassis fan can be powered and monitored by this backplane instead of a motherboard. If the chassis fan is connected to a mainboard, users need to disable the fan monitoring function of backplane by DIP switch (SW1).

The event LED with red/black wire is located on the front bezel of SR105

Plus and can be configured through this pin header.

E

F

G

Power

Fail

Mute

Power

Fail

Alarm

Buzzer

Transfer mute signal from a backplane to PSU.

Send alarm signal to PSU.

Buzzer will alarm when fan and temperature become abnormal.

Drawing

H DIP Switch The settings of on-board hardware monitor can be controlled and configured through this DIP switch. It can manage the functions of

PWM fan & temperature threshold.

30

Label Connector

I I2C

Description

The motherboard can monitor HDD temperature and fan status through this connector. However, the I2C connector on the motherboard side is dependent on vendors, so please contact our field application engineers to fully utilize this feature.

SR105 Plus Series

Drawing

31

SR105 Plus Series

3-3 3.5” 4-Port 12Gbps SAS/SATA Backplane

Host Interface

HDD Interface

Hot-Swap

Display

Environment Monitor

Connector

Dimension (L x W x H)

Material

Table 9 Backplane specifications

Specification

SATA 7-pin

SFF-8680 (SAS 29-pin)

Yes, allows users to replace devices online

LED indicates storage device status

Power LED – Off (Fault)

– Blue on (Present)

Activity LED – Green on (Access)

– Red on (Failure)

– Red 1Hz blink (Rebuild)

– Red 4Hz blink (Locate)

Temperature sensor TMP75

1.

2.

3.

4.

4 x SATA

4 x SFF-8680

4 x big 4-pin power connectors for +5V, +12V from power supply

1 x pin header 2.0 mm (1 x 3)

5.

6.

1 x pin header 2.0 mm (2 x 3)

1 x pin header 2.54 mm (2 x 3)

7.

1 x pin header 2.54 mm (2 x 5)

8.

1 x 4-pin Wafer 2.5 mm

9.

10.

2 x 2-pin Wafer 2.54 mm

1 x 4-pin Wafer 2.54 mm

106.0 x 114.0 x 2.4 (mm)

FR4 4 layers

32

Figure 35 Backplane front view

A.

HDD_00

B.

HDD_01

C.

HDD_02

D. HDD_03

SR105 Plus Series

Figure 36 Backplane rear view

33

Label

A

B

C

D

Connector

SATA/SAS

Power

Fan

Signal I ndicator

Table 10 Connector and pin header function description

Description

For connecting to a mainboard, this SATA/SAS 7-pin connector is applied. A proper cable selection is essential as well to make sure good signal integrity can be maintained for the whole connection path from mainboard HDD devices.

These two connectors are used to power four 3.5” hard disks, connected to this backplane, and each can ensure that all drives are supplied with stable power inputs. If the chassis fan is also powered by fan header

(JF01), this configuration is highly recommended.

There are two 4-pin headers for the PWM fan, and it is an alternative solution that the chassis fan can be powered and monitored by this backplane instead of motherboard. If the chassis fan is connected to mainboard, users need to disable the fan monitoring function of backplane by DIP switch (SW1).

The event LED with red/black wire is located on front bezel of SR105 Plus and can be configured through this pin header.

Transfer mute signal from a backplane to PSU. E

F

G

Power

Fail

Mute

Power

Fail

Alarm

Buzzer

H DIP Switch

I I2C

Send alarm signal to PSU.

Buzzer will alarm when fan and temperature become abnormal.

The settings of on-board hardware monitor can be controlled and configured through this DIP switch. It can manage the functions of PWM fan & Buzzer

On/Off.

The motherboard can monitor HDD temperature and fan status through this connector. However, the I2C connector on the motherboard side is dependent on vendors, so please contact our field application engineers to fully utilize this feature.

SR105 Plus Series

Drawing

34

SR105 Plus Series

4.

Maintenance and Service

DOA

(Dead on Arrival)

If the products are found Defect On Arrival, please contact Chenbro’s regional sales or CQE and indicate the defective status via email along with product photos and description. You may need to return the defective item by request.

The customer should ensure that the products are Defect On Arrival for up to three months from Chenbro ’ s shipping date and the damage is not caused by shipping or failures resulting from accident, misuse, abuse, neglect, mishandling, misapplication, modification, improper operation, improper repair or rework. CHENBRO is not responsible for the cost of replacement including the delivery cost.

CHENBRO also reserves the right to examine the DOA products. If the damage of DOA products is caused by improper action as described above, the customer will be liable for paying the related charge having occurred or paying the fee of the replacements if the DOA products are totally scrapped.

Apply a RMA number

Return the product for repair

Receive service charge notice

Receive the repaired product

TECHNICAL SUPPORT

Please provide following information when you apply our technical support:

⚫ Product model name and/or part number

⚫ Product serial number and bar code

⚫ Buzzer beeping pattern and/or failure LED flashing pattern

⚫ Detailed and specific questions

You may also contact Chenbro’s regional technical support s as below: www.chenbro.com

CENBRO MICOM CO., LTD.

Email: [email protected]

Tel: +886-2-82265500

Fax: +886-2-82265392

CHENBRO MICOM (USA) INC.

Email: [email protected]

Tel: +1-909-947-3200

Fax: +1-909-947-4300

CHENBRO GmbH

Email: [email protected]

Tel: + 49-2154-8142730

35

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