 IA-RS232C-D General Description:
Aprroved under FAA TSO-C88a the Model IA-232C-D is an all solid-state microprocessor-based device that converts parallel altitude data (MOA Gillham Grey Code) received from pressure altitude reporting equipment, into serialized data conforming to the TIA/EIA RS232C Standard, as well as providing the MOA Gillham Grey Code on two additional output ports.
The Parallel digital altitude data (Gillham Grey Code) is provided on (2) two output ports. The protocol is set forth in the (ICAO) International Standard for Pressure Altitude Transmission. This data format is in accordance with the US National Standards for Common System Component Characteristics for the I.F.F. Mark X (SIF)/Air Traffic Control Radar Beacon System SIF/ATCRBS.
The Serial altitude data is provided on (2) two asynchronous RS232C output ports and may be used to provide pressure altitude data to GPS or other on board navigation devices. The serial data protocol is selectable.
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Trans-Cal IA-RS232C-D Interface Adapter (shown above) - converts altitude data from "blind" encoders and encoding altimeters into an output conforming to the EIA RS232C standard, with 2 Serial Altitude Data Output Ports, 2 Parallel Altitude Data Ports and 2 Altitude Encoder Data Input Ports.
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General Specifications:
Operating Voltage.................
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+12 to +30 Vdc.
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Operating Current..................
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0.090 Amps. (90 MA).
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Operating Temperature........
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-20 to +85C.
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Warm-Up Time.......................
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0.
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Weight....................................
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12 oz
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Operating Altitude................
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-1,000 to +62,700 feet. (Dependant on input device range)
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Accuracy................................
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This device repeats the data from the source altitude reporting device with 100% accuracy.
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Enviormental..........................
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All model IA-RS232C-D Interface Adapters are designed and tested to meet or exceed the requirements of TSO-C88a, in accordance with RTCA Document DO-160b, dated July 1984 (specifics provided upon request)
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