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DL25 19" 2U chassis 635mm DEEP
Chassis DL25
Form Factor
2U chassis support for extended ATX size (305x330mm) motherboard
Height: 88mm
Width: 483mm
Depth: 635mm
Net weight: 11kg
Expansion slots
- 2x Full-height PCI expansion slot (horizontal)
- 5x Low Profile PCI expansion slot (vertical)
Drive Bays
- 4x 5.25" bay to install 4x CDD, 4x HDD mobile rack, backplane etc.
- 1x FDD bay with smile cutouts on front panel
Front Panel
TeleServ® - front panel controller includes a watchdog to supervise the computer and has 4 buttons and 16x2 LCD to allow for a dialog with the user. You can set IP address, netmask, gateway address, shutdown the computer, readout statistics, basically anything you want because most of the logic is implemented with a perl script and it can be changed easily. The controller is connected to your computer via RS232 serial line. More information about TeleServ® >>
- Power
- Hard drive activity
- Alarm
Operating Environment (System)
Operating Temperature Range: +5~50º
System Cooling
- 4x 80x80x25 2800RPM fans, 3.72m3 total controlled by TeleServ®. The use of controller increases reliability of hardware work due to total monitoring of cooling system and signalling in case of failure. The use of controller combined with the system of redundant cooling allows to create fault-tolerant system with long-life performance.
- 1x 80x80 PSU fan
Power Supply
PSU 350Вт 400Вт 500Вт 350WHotSwap
Input Voltage 220V
Full range 115~230V
Full range 90~264V
+3.3V 22A 30A 28A 1~20A
+5A 21A 28A 30A 3~35A
+5Vsb 2A 2A 2A 0.1~2A
-5V 0.3A 0.3A - 0.1~0.5A
-12V 0.8A 0.8A 0.5A 0.1~0.8A

The PSU is installed in chassis in special housing (look at the photo).
Mounting in rack
- DL25xxx-DR version of chassis includes Slide Rail Kit, look at application notes
Height: 120mm
Width: 500mm
Depth: 710mm
Gross weight: 12kg
Available Colors
 RAL7032 Beige

Ordering Information Part number Description
Chassis DL25xxx-DR Chassis with Slide Rail Kit DR-2U-700
Power Supply DL25350
350W (2x350) Hot Swappable PSU

Optional Parts List Model Description
Backplane SNT-2131SATA With SNT-2131 SATA backplane
Mobile Rack VP-5010LSF With VP-5010LSF mobile rack
5.25" blank cover Z5P-W
Perforated beige 5.25" and HDD cage more>>
Perforated black 5.25" and HDD cage more>>
Beige 5.25" cover and HDD cage with fan more>>
Black 5.25" cover and HDD cage with fan more>>
Beige 5.25" double cover and HDD cage with fan more>>
Black 5.25" double cover and HDD cage with fan more>>
PCI riser card 2U1FR 1U riser changes the insert direction of the slot by 90 degrees. more>>
2U2FL 2U riser changes the insert direction of the slot by 270 degrees. more>>
PCIe riser card 2U1FR-e1 1U PCI Express x1 riser card changes the insert direction of the slot by 90 degrees. more>>
2U1FR-e4 1U PCI Express x4 riser card changes the insert direction of the slot by 90 degrees. more>>
Low Profile PCI brackets - more>>
TeleServ to PC COM port communication cable H-H-COM 10-pin header to 10-pin header cable more>>
H-DB9M-COM 10-pin header to DB9M cable more>>
DB9F-DB9F-COM DB9F to DB9F cable more>>
Xeon CPU mounting plate EBP-604-2U Protects your motherboard from breakage more>>

PCI expansion slots. You should cutout some metal connection straps on the back side of chassis by nipper. You should cutout only those connection straps that would interfere panel connectors. To make it easier, the connector zone of chassis'back side has been made netlike. Technical drawing
Back panel preparation when extention cards will be installed Technical drawing of DL25

EBP-604-2U Xeon CPU mounting plate installation
click to view large picture

Due to the weight of Xeon CPU heatsinks they must be secured to protect your motherboard from breakage. The DL25 chassis does not have any correspoding mounting holes to support direct chassis attachment of Xeon CPU heatsinks. Use the optional part - EBP-604-2U Xeon CPU mounting plate in order to fasten Xeon socket LGA 604/771 CPU heatsinks with chassis. Technical drawing of plates

ATX motherboards have standardized mounting holes to fit different types of chassis. As to CPU heatsink mounting holes - they are not standardized. Determine and spot CPU heatsink mounting holes and then fix the EBP-604-2U plates by selfadhessive tape, glue or by tiny revets. Make shure that standoffs of the plates fit perfectly to the position of CPU heatsink mounting holes at the motherboard, otherwise the CPU heatsink screws would not align to the thread. Since, the plates must be installed prior to installing the motherboard into the DL25 chassis, all operations expect pre-scheming and accuracy of the stuff.

The EBP-604-2U plate is supplied as option. It is advisable to order the plate together with chassis.

DR-2U-700 Slide Rail Kit installation
click to view large picture

click to view large picture

click to view large picture

The DR-2U-700 Slide Rail Kit is supplied together with the DL25 chassis. Remove the DL25 chassis from the packaging box and check that the Kit is included. The Kit consists of two symmetric Holders - left and right. Each Holder consists of two parts - Front Bracket (1) and Back Bracket (2). Slide together the front to back sections of the Holders as shown on the picture on the left. Extend the Holders to the length required to fit the rack or cabinet before you install it. The DR-2U-700 Kit supports rack fixing distance on depth L from 428mm to 726mm. Notify, there are two variants to join Back Bracket (A and B). Screw on appropriate nuts (3) (supplied with the Kit) to each bracket, and tighten the front and the back sections.

Install 10 cage nuts in the rack (not supplied with the Kit). Reffer to the picture on the left. You should install 5 cage nuts (red marked) and tighten the both Holders with 4 appropriate screws for EACH SIDE of the rack (left and right, front and back). You need to tighten 8 screws total.
Note! Please make sure the salient side of each Holder (left and right) is in the opposite position in the rackmount.

Slide the DL25 based system along the pre-installed Holders in the suitable rack. Tighten the other 2 screws on the opposite side of the front panel where it attaches to the rack.

For additional information refer to the page of frames accessories >>>

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