Statement of Work - 26OCT

ENETX-MA4

Requirements Document
For
704th Test Group/746th Test Squadron

26 October 2026

1.0 Purpose

The 746th Test Squadron requires the purchase of two (2) Alta Data Technologies (Alta dt) ENETX-MA4: Lab-Rugged 1553 and ARINC Real-Time Ethernet Converter for integration, maintenance, and troubleshooting the Ultra High Accuracy Reference System (UHARS) and customer Units Under Test (UUTs). Operating in a lab environment and at customer installations, as needed by mission requirements. These units will allow MIL-STD-1553 and ARINC 429 communication on test aircraft and equipment and serve as a critical component to our Data Acquisition Systems (DAS).

2.0 Scope

Alta dt shall supply two (2) ENET Appliance with Two Channels of Dual Redundant MIL-STD1553 with Full Function (BC/mRT and Mon) Capability and 4 Shared Tx/Rx Channels of ARINC-429 and 2 Rx/2 Tx ARINC-717 Selectable Channels (Each 717 Rx/Tx Replaces Two 429 Channels) and associated assembles cables to enable (a) unit power on, (b) MIL-STD-1553 BM & BC communications, and (c) ARINC 429 communications. Alta dt Ordering numbers: ENETX-MA4-2F4, ENETXCAB-MA4-J1-01, ENETXCAB-MA4-J202

2.1 Physical characteristics per vendor documentation

2.1.1 Dimentions

Length: 142 mm
Width: 6.3 mm
Height: 35 mm
2.1.2

Weight Aprx.
265g

2.2 Power Consumption

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2.3 Opperating Conditions

5-32 VDC Conditioned Power or MIL-STD-704F 28VDC Power
o Lab Use 5V USB Power 1.5 AMP
o Embedded applications, use conditioned power source
o Reverse Polarity Protected to 40 Volts

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7.5 Watts Max (99% Bus Loading)

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Operating Temperature range:
o 0 to +70C Standard

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Vibration Class V2 and Operating Shock Class OS1 per VITA 47 & MIL-STD-810G

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Lightning Induced Transient Protection (not all signals) per RTCA DO-160G Level 3

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Relative humidity: 5 to 95% (non-condensing)

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RoHS Compliant

3.0 Milestones

Alta dt shall deliver two (2) ENETX-MA4: Lab-Rugged 1553 and ARINC Real-Time Ethernet Converter and associated cables no later than 10 weeks after receipt of order (ARO).

4.0 Reference materials

Alta dt Hardware Manual for ENETX-MA4 Part Number: 151B4-00000-A9 Cage Code: 4RK27 NAICS: 334210

5.0 Deliverables

Alta dt shall deliver all hardware and documentation to 746 TS/TGGOG, Attn: Franco Gonzalez at 1644 Vandergrift Road, Building 1265, Holloman Air Force Base, New Mexico 88330.