M-Max 820 EP/USO

Rugged Industrial Error-free Rackmount System
  • Details
  • Specification
  • Intel Core i7 CPU based
  • ‘2 out of 2’ or redundant architectures
  • IP65 rated
  • Operating temperature: from -40 to +55 °C

M-Max 820 EP/USO consists of two rugged industrial computers with the highest performance currently available for systems with passive cooling. It is designed to provide reliable operation using ‘2 out of 2’ or redundant architectures in harsh environments for critical applications. The fully-ruggedized rackmount aluminum chassis is fanless and utilizes natural convection and conduction cooling in accordance with MIL-STD-810 standards.

Providing shock and vibration protection, the M-Max 820 EP/USO can operate under extreme temperatures (-40 to +55 °C), dust and humidity. Delivering excellent performance due to Intel Core i7 CPUs (2.1-3.0 GHz), it also features excellent 2D and 3D graphics capabilities via VGA interface. Data storage options include vibration proof industrial SSDs with RAID functionality. The computer is used as a part of a safety system at railroad and operate as an optical time-domain reflectometer.

MicroMax, as a manufacturer of highly rugged industrial computers, takes a customized approach to each client and can provide even a single copy development and production.


Technical specifications
(per each subsystem)
CPU Intel Core i7-2715QE (2.1-3.0 GHz, 6 MB L2 cache, FSB 1066 MHz)
Chipset Intel QM67
RAM 2 GB DDR3 533 MHz (soldered on board) Expandable to 8 GB at the time of order
Data storage SSD up to 1 TB
Optional 2x SSD as RAID0/1
Video Integrated controller:
Intel HD Graphics 3000 with AVX
Up to 512 MB dedicated memory
VGA up to 2048 x 1536
HDMI 1.3
Connectors 1x SNC28-3 (Power)
2x LTW (Ethernet)
1x SNC-28-32 (VGA, 2x USB 2.0, RS-232)
1x PX0842 (USB)
2x DB-9 (RS-232)
1x SNC-28-4 (2x CAN)
All connectors are IP66 or higher
LAN 2x 10/100/1000Base-T
Serial ports 3x RS232
USB 3x USB 2.0, up to 8x USB 2.0 (optional)
Keyboard and mouse USB
Power +9 to +33 V DC (isolated) AC adapter ~100 to 240 V (optional)
Special features Watchdog timer
Power Consumption 53 W
Indication Power ON & Failure indicators
Controls Power ON button
Enclosure Aluminum enclosure
Passive cooling system (no fans)
Mechanical (W x H x L) 480 x 173 x 241 mm

Environmental and physical specifications

Dust/Moisture IP65
Operating Temperature -40 to +55 °C,
Complies with MIL-STD-810G (High temp. method 501.5, A1;
Low temp. method 502.5, C1, Expandable to C2/C3)
Humidity Operating: 5 to 95 % at +25 °C, non-condensing
Vibration Operating acceleration amplitude up to 2,5g
Complies with MIL-STD-810G (Method 514.6 for Ground vehicles and Aircraft)
Shock Maximum peak shock acceleration up to 40g
Complies with MIL-STD-810G (Method 516.6 for Ground equipment and Aircraft)
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