Reliable, Safe & Ruggedised
The ¾ Aviation Transport Rack is a LRU, which is required to function in a highly reliable and safety critical environment. The ¾ ATR is a Ruggedized Mechanical chassis. The basic concepts of focus are the inter-changeability of the LRU, high levels of Thermal Management, easy mode of operation and maintenance.
Size : ¾ ATR Short
Height : 194 mm
Width : 191 mm
Length Between Mounts : 320 mm
Capacity : 8 Slots – 6 U VME Modules
Weight :
8 Kg Max - (Chassis & Power Supply)
Mounting Tray : Mounting Tray Design shall be as per ARINC 404 A Specification
Material : Material used for Chassis & Tray shall be of Aerospace Alloy Grade
Finishing : Black paint Matt finish on all external surfaces and conductive chromate conversion coating on all inside surfaces.
Power Rating : 250 Watts (Max.)
Cooling : External Forced Air Cooling and Internal VME Modules & Power Supply Module are Conduction Cooled
Operating Temperature : -40°C to +85°C with 1 Kg per minute airflow with an inlet temperature of 24°C ± 2°C
Water Proofing : Water Proofing to confirm MIL-STD-810D (Rain Drip test)
Back Plane : 8 Slot VME 64x Compliant Back Plane 5 - Row P1, P2 & P0 connector compatible for 3 row VME Module
Input Power (DC) : 28V @ 30A Range (16V – 32V) as per MIL-STD-704D.
Output Power Ratings (DC) :+5 V @ 40 A (200 W)+3.3 V @ 10 A (33 W)+12 V @ 1.25 A ( 15 W)-12 V @ 0.420A ( 5W )
Connectors : MIL-D38999 series – 6 Nos, MIL-STD-1553B – Raychem – 6 Nos.
1553B Nodes : 6 Nos.
