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Model 4104 is a chameleon among rackmount chassis in that it can be configured with an active motherboard or passive backplane platform. Further, the 4104 has been tested and passed MIL-STD-810F Shock and Vibration, and MIL-STD-461E EMC. The hallmarks of the 41xx series, recognized by the U.S. Dept. of Defense, are its torsional strength and resilience to shock and vibration energy. As with its taller sibling, Model 4107 (used by the U.S. Navy on the OASIS LSRS Radar System installed aboard the P-3 Orion), the 4104 was selected by the DOD for service on a critical program. The U.S. Air Force chose the 4104 as its preferred chassis to house a redundant computer that controls the C-130’s refueling system.
The 4104's superior torsional strength is a credit to NOVA's proprietary extrusions from which the outer chassis is made. The internal chassis, made from aluminum 5052-H32 and mechanically suspended using multi-axis mounts that attenuate shock and vibration energy, holds the selected hardware platform, drives, and power supply.
High-CFM fans arranged in push-pull LRU trays provide aggressive airflow across system boards and drives at all times, and whose speed can be monitored and controlled by NOVA’s System Environmental Monitor (SEM). Air filters located behind EMC compliant mesh inserts are easily accessible and quick to service or replace. Model 4104 is configurable to accommodate a variety of passive backplane types or motherboards; rear panel MIL circular connectors may replace COTS connectors.
SPECIFICATIONS
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Environmental Characteristics |
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| Temperature, operating: |
-20°C to +50°C |
| Temperature, non-operating: |
-40°C to +70°C |
| Humidity: |
10% to 95%, non-condensing |
| Altitude, operating: |
-1,000 ft. to 15,000 ft. |
| Altitude, non-operating: |
-1,000 ft. to 40,000 ft. |
| Vibration: |
tested to MIL-STD-810F, Method 514.5, Procedure I |
| Shock: |
tested to MIL-STD-810F, Method 516.5, Procedures I & VI |
| EMI/EMC: |
tested to MIL-STD-461E, CE101, CE102, CS101, CS114, RE101, RE102, RS102, RS103 |
| ESD: |
designed to meet MIL-STD-1686A |
| Cooling system: |
“Push-Pull” forced air; LRU intake fan tray |
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Physical Characteristics |
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| Dimensions: |
4U (6.97 in.) H x 19 in. W x 22 or 25 in. D |
| Weight: |
22 in. depth model is 45 lbs.
25 in. depth model is 50 lbs. |
| Mounting configurations: |
Rackmount and Tabletop options |
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Electrical Characteristics |
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| Input Power, standard: |
85-264 VAC @ 47-63/400 Hz |
| Input Power, option: |
18-36 VDC |
| AC Current, 650 W output: |
6.7 A @ 115 VAC; 3.4 A @ 230 VAC |
| AC Inrush Current, 650 W output: |
30A @ 115 VAC; 50A @ 230 VAC |
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Hardware Platforms |
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| Eurocard backplane: |
up to 5-slot, front-loading subrack and optional RTM
PCIe backplane: PICMG1.0 or 1.3 passive backplane, up to 10 slot vertical slot positions |
| Motherboard: |
ATX, Server-class, Mini-ATX/ITX and most other industry-standard motherboard formats are supported |
| Peripherals bay: |
up to four (4) 5.25 in. HH or 3.5 in. |
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Common Specs and Ordering Table |
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Chassis material:
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Aluminumn alloy # 5052-H32 |
| Rackmount: |
designed to meet EIA-310-D |
| User controls: |
“Main Pwr” circuit breaker
“RESET” pushbutton switch |
| Input power connector: |
MS3472 type |
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| 95-4104-00227-001 |
Std. Depth (22 in.); rackmount; 85-264 VAC @
47-400 Hz; configured for ATX mobo |
| 95-4104-00227-101 |
Ext. Depth (25 in.); rackmount; 85-264 VAC @
47-400 Hz; configured for ATX mobo |
| 95-4104-00227-110 |
Ext. Depth (25 in.); rackmount; 85-264 VAC @
47-400 Hz; configured for PCIe backplane |
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| Rack slides: |
std. depth chassis: 55-100002-100 (22 in.)
ext. depth chassis: 55-100007-100 (26 in.) |
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