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RM238 Series Rackmount Chassis User Manual January 2020 Version 1.1 A document provides an overview of product features, functions, architecture, and support specifications.
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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.
Table of Contents List of Figures ..............................4 List of Tables ..............................7 Product Overview ......................... 8 1-1 System Features Overview....................... 9 1-2 Front Panel ..........................11 1-3 Back Panel ..........................12 1-4 Front Control Panel ....................... 13 1-5 Storage Configurations ......................14 1-6 Chassis Dimensions .......................
RM238 Series List of Tables Table 1 Chenbro RM23808/12/24 specifications ..................8 Table 2 Front control panel ........................13 Table 3 Slide rail options ........................17 Table 4 System environmental specifications summary ................18 Table 5 System packaging information ....................19 Table 6 Product weight information .......................
RM238 Series 1. Product Overview RM238 series offers a variety of system options to meet the various configuration requirements of high-density/high-performance computing environments. This 2U chassis supports both 2.5” and 3.5” storage form factors with different drive bay configurations. This chapter provides a high-level overview of the system features and available options. More details for each major sub-systme, feature, or option are provided in the following chapters.
RM238 Series Figure 4 RM23808 major components over view Figure 5 RM23812 major components over view Figure 6 RM23824 major components over view A. Front Top Cover E. Internal 2.5” HDD Bays I. 2.5” HDD Hot-swap Cage B. Rear Top Cover F.
RM238 Series 1-2 Front Panel Figure 7 RM23808 front panel Figure 8 RM23812 front panel Figure 9 RM23824 front panel A. Front Control Panel C. Info Tag E. Slim ODD Bay B. Storage Drive Bay D. Rack Handles Product Overview│ 11...
RM238 Series 1-3 Back Panel Figure 10 Back panel with single PSU Figure 11 Back panel with redundant PSU A. 2U Single Power Supply D. Low Profile Expansion Slots B. CRPS E. 2.5” Hot-swap Drive Bay C. I/O Gasket Product Overview│ 12...
RM238 Series 1-4 Front Control Panel Figure 12 Front control panel Table 2 Front control panel Label ICON Indicator, button or connector Power Button UID Button Reset Button USB3.0 HDD Activity LED System Alarm LED LAN1, LAN2 Activity LED Rack Handle (Left)
RM238 Series 1-5 Storage Configurations Figure 13 8 x 3.5” front drive bay configuration Figure 14 12 x 3.5” front drive bay configuration Figure 15 24 x 2.5” front drive bay configuration (24 x SATA/SAS) Product Overview │...
RM238 Series Figure 16 24 x 2.5” front drive bay configuration (4 x NVMe + 20 x SATA/SAS) Figure 17 24 x 2.5” front drive bay configuration (8 x NVMe + 16 x SATA/SAS) Figure 18 24 x 2.5” front drive bay configuration (20 x NVMe + 4 x SATA/SAS) Figure 19 24 x 2.5”...
Advisory Note – Available rack and cabinet mounting kits are not designed to support shipment of the server system while installed in a rack. If you chose to do so, Chenbro advises you to verify your shipping configuration with appropriate shock and vibration testing before shipment.
RM238 Series 1-8 System Level Environmental Specifications The following table defines the system level specifications under operating and non-operating environments. Table 4 System environmental specifications summary Parameter Specification Temperature Operating 5º C to 35º C (41º F to 95º F)
1-9 System Packaging The original Chenbro packaging, where the server system is delivered, is designed to provide protection for L5 configuration and tested to meet ISTA (International Safe Transit Association) Test Procedure 1A (2008). The packaging is also designed to be reused for shipment after the system integration has been completed.
RM238 Series 2. System Components Removal and Installation RM238 series supports a variety of different storage options: Up to 8 x 3.5” hot-swap HDD or 2.5” HDD/SSD (RM23808) Up to 12 x 3.5” hot-swap HDD or 2.5” HDD/SSD (RM23812) ...
RM238 Series 2-1 Top Cover Removal and Installation Figure 22 Rear top cover removal 1. Loosen two screws on the rear top cover. 2. Pull the latch as shown to release the cover. 3. Remove the cover. Figure 23 Front top cover removal 1.
RM238 Series Figure 24 Front top cover installation 1. Align the guide pins of the cover with the grooves on the chassis base. (Three guide pins for both sides) 2. Slide the cover toward the front panel until it is locked into place.
RM238 Series 2-2 HDD Cage Removal and Installation Figure 26 HDD cage removal 1. Loosen the two screws of the chassis base as shown. 2. Pull the HDD cage toward the front panel until it unlocks. 3. Remove the HDD cage vertically.
RM238 Series 2-3 Hot-swap HDD Assembly Removal and Installation Figure 28 3.5” hot-swap HDD assembly removal 1. Press the tray button to release the lever as shown. 2. Pull the HDD assembly out of the drive bay. Figure 29 3.5” hot-swap HDD assembly installation 1.
RM238 Series Figure 30 3.5” HDD removal (tool-less type) 1. Bottom up the HDD assembly, and loosen the screw as shown. 2. Press out the HDD by your two thumbs. NOTE: Please operate this on a stable surface in case the HDD dropping unexpectedly.
RM238 Series Figure 32 3.5" HDD removal (screw type) 1. Loosen four screws as shown. 2. Take out the HDD from the tray. Figure 33 3.5" HDD installation (screw type) 1. Align the HDD with the anchor point on the tray.
RM238 Series Figure 34 2.5" hot-swap HDD assembly removal 1. Press the tray button, and release the lever as shown. 2. Pull the HDD assembly out of the drive bay. Figure 35 2.5’’ hot-swap HDD assembly installation 1. With the lever open, insert the HDD assembly into the drive bay until the end of the HDD cage.
RM238 Series Figure 36 2.5’’ HDD removal (tool-less type) 1. Bottom up the HDD assembly, and face the side without a concave slot of the HDD tray as shown. 2. Press out the HDD by your two thumbs. NOTE: Please operate this on a stable surface in case the HDD dropping unexpectedly.
RM238 Series Figure 38 2.5" HDD removal (screw type) 1. Loosen four screws as shown. 2. Take out the HDD from the tray. Figure 39 2.5” HDD installation (screw type) 1. Align the front of the HDD with the anchor points on the tray.
3.5” drive, a 2.5” drive with plastic dummy filler or only dummy fillers. In addition, in order to support a 2.5” drive in a 3.5” tray, a screw-type tray is required. NOTE: Dedicated screw type is required for 2.5” SSD Installation, Chenbro P/N: 384-14602-3143A0. System Components Removal and Installation...
RM238 Series 2-4 Internal 2.5’’ HDD Removal and Installation Figure 42 Internal 2.5'' HDD removal (RM23808) 1. Lift the plastic bracket tab to release HDD assembly as shown. 2. Remove it from the HDD cage. 3. Detach the plastic bracket from HDD.
RM238 Series 2-5 Slim ODD Removal and Installation Figure 44 RM23808 slim ODD removal 1. Press the latch to release the ODD assembly. 2. Pull it out of the cage. 3. Loosen the two screws to detach the plastic bracket.
RM238 Series 2-6 System Maintenance Figure 46 Removal of whole system from the rack 1. Open and hold the latches on both sides as shown. 2. Loosen the screws in the latches, and firmly grab the rack handles on both sides.
RM238 Series 2-7 Fan Assembly Removal and Installation Figure 48 Fan assembly removal 1. Loosen the thumb screws on both sides of the fan assembly. 2. Disconnect all the fan connectors. 3. Remove the fan assembly from the chassis base.
RM238 Series Figure 50 Fan module removal 1. Press the latch as shown and release the fan module from the fan cage vertically. Figure 51 Fan module installation 1. Insert the fan module into the fan cage until it is secured into place.
RM238 Series Figure 52 Air baffle removal 1. Pull out the air baffle from the fan cage. Figure 53 Air baffle installation 1. Insert the air baffle into the fan cage until it is secured into place. System Components Removal and Installation...
RM238 Series 2-8 2.5" 2-bay Drive Cage Installation (Back Panel) Figure 54 Drive cage bracket installation (back panel) 1. Attach the drive cage bracket on the bottom of the chassis, and ensure the alignment of screw holes matched. 2. Secure the bracket with two screws from the outside to the inside of the chassis.
RM238 Series Figure 56 Drive backplane installation (back panel) 1. Attach the backplane to the rear of the drive cage as shown. 2. Ensure the backplane firmly engaged with the cage. 3. Secure the backplane with one screw. System Components Removal and Installation...
RM238 Series 2-9 Full-height PCIe Card Installation Figure 57 Full-height back panel bracket installation 1. Replace the low-profile back panel bracket with the full-height one. 2. Secure the bracket with two screws as shown. Figure 58 Cards and brackets installation 3.
RM238 Series 2-10 PSU Installation and Removal Figure 59 Single 2U PSU installation 1. Install the PSU into the chassis, and ensure the alignment of screw holes on the PSU, the chassis base and the back panel matched. 2. Secure the PSU with the back panel by three screws.
RM238 Series Figure 60 Redundant PSU cage assembly 1. Attach the PSU side bracket to the PSU cage, and secure it by two screws from the inside of the cage as shown. 2. Attach the PSU front bracket to the PSU cage, and secure it by two screws.
RM238 Series CRPS module installation Figure 62 1. Insert CRPS module into the PSU cage and push until it is secured into place. CRPS module removal Figure 63 1. Press the latch without release as shown. 2. Pull the module handle to remove it from the PSU cage.
RM238 Series 2-11 Slide Rail Installation Figure 64 Slide rail installation-1 (384-23803-3300B0) 1. Attach the inner rail to the chassis base while aligning the T pins on the side of the system with the slots on the inner rail. Figure 65 Slide rail installation-2 (384-23803-3300B0) 2.
RM238 Series Figure 66 Slide rail installation-3 (384-23803-3300B0) 3. Lift the latch as shown. 4. Secure the inner rail with one screw. Figure 67 Slide rail Installation-4 (384-23803-3300B0) 5. Install the system into the rack. System Components Removal and Installation...
RM238 Series 3. Backplane Each drive tray includes two LED indicators for drive activity and drive status. Light pipes integrated into the drive tray direct light emitted from LEDs mounted next to each drive connector on the backplane to the drive tray faceplate, making them visible from the front of the system.
RM238 Series 3-1 Storage Backplane Options RM238 series supports below backplanes: 8 x 3.5” Mini-SAS HD passive backplane 12 x 3.5” Mini-SAS HD passive backplane 12 x 3.5” Mini-SAS HD active backplane 2 x 2.5’’ SATA/SAS passive backplane ...
RM238 Series 3-2 3.5” 8-Port 12Gbps Mini-SAS HD Passive Backplane Table 8 Backplane specifications Specification Host Interface Mini-SAS HD HDD Interface SFF-8680 Hot-Swap Yes, allows users to replace devices online Display LED indicates storage device status Power LED – Off (Fault) –...
RM238 Series Figure 70 Backplane rear view Table 9 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one power connector supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series Table 10 Fan setting for RM23808 NC3 (Mute pin) JA1 (JCK pins) PIN 5,6 OPEN PIN 4,6 SHORT PIN 5,6 OPEN PIN 2,4 SHORT PIN 5,6 SHORT N/A (No matter what status is) Backplane │...
RM238 Series 3-3 3.5” 12-Port 12Gbps Mini-SAS HD Passive Backplane Table 11 Backplane specifications Specification Host Interface Mini-SAS HD Device Interface SFF-8680 Hot-Swap Yes, allows users to replace storage devices online LED indicates storage device status Display Power LED – Off (Fault) –...
RM238 Series Figure 72 Backplane rear view Table 12 Connector and pin header function description Label Connecter Description Drawing Power The backplane includes two power connectors supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series 3-4 3.5” 12-Port 12Gbps Mini-SAS HD Active Backplane Table 14 Backplane specifications Specification Host Interface Mini-SAS HD Device Interface SFF-8680 Hot-Swap Yes, allows users to replace storage devices online Display LED indicates storage device status Power LED – Off (Fault) –...
RM238 Series Figure 74 Backplane rear view Table 15 Connector and pin header function description Label Connecter Description Drawing Power The backplane includes two power connectors supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series Table 16 Dip switch setting PIN-Number PIN-Definition System Fan Quantity DISABLE Temperature Alarm System Fan DISABLE Buzzer DISABLE SES MON DISABLE I2C Address Table 17 Fan setting for RM23812 DIP 4 ON,DIP 1 OFF PIN 5,6 OPEN DIP 4 ON,DIP 1 ON...
3-5 2 x 2.5’’ Drive Bay Accessory Kit Chenbro Accessory Kit Product Code: 83H553237-006 for SATA/SAS module and 383-23780-3028A0 for NVMe module. The 2U product family provides the option to support two 6 Gbps SATA SSDs or two PCIe NVMe SSDs installed to a drive module mounted in the back of the system.
RM238 Series Table 19 Backplane specifications Specification Host Interface SATA 7-pin Device Interface SFF-8680 Hot-Swap Yes, allows users to replace storage devices online Display LED indicates storage device status Power LED – Off (Fault) – Blue on (Present) Activity LED – Green on (Access) –...
Figure 77 Backplane rear view Table 20 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one power connector supplying 5V/12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
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RM238 Series Table 21 Backplane specifications Specification Host Interface OCuLink Device Interface SFF-8639 (U.2) Hot-Swap Yes, allows users to replace storage devices online Display LED indicates storage device status Power LED – Off (Fault) – Blue on (Present) Activity LED – Green on(Access) –...
Figure 79 Backplane rear view Table 22 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one power connector supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series 3-6 2.5” 8-Port 12Gbps Mini-SAS HD Passive Backplane Table 23 Backplane specifications Specification Host Interface Mini-SAS HD Device Interface SFF-8680 Hot-Swap Yes, allows users to replace storage devices online Display LED indicates storage device status Power LED – Off (Fault) –...
RM238 Series Figure 81 Backplane rear view Table 24 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one power connector supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series 3-7 2.5” 16-Port 12Gbps SAS Passive Backplane Docked with Expander Board Table 26 Backplane specifications Specification Host Interface Docking to expander board Device Interface SFF-8680 Hot-Swap Yes, allows users to replace storage devices online Display LED indicates storage device status Power LED –...
RM238 Series Figure 83 Backplane rear view Table 27 Connector and pin header function description Label Connector Description Drawing Power The backplane includes two power connectors supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series Figure 85 Expander board front view Table 29 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one power connector supplying 12V input to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
Figure 87 Backplane rear view Table 32 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one 2 x 4 connector supplying 12V power to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
RM238 Series Figure 89 Backplane rear view Table 34 Connector and pin header function description Label Connector Description Drawing Power The backplane includes one 2 x 4 connector supplying 12V power to the backplane. Power is routed to the backplane via a power cable harness from the power supply.
(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.