Trans-Cal IA-RS232C-S Interface Adapter.

Hawkins Associates Company
"Your Partner in Progress"

Trans-Cal IA-RS232C-S
Interface Adapter
by Trans-Cal Industries, Inc.

IA-RS232C-S General Description:
Aprroved under FAA TSO-C88a the Model IA-232C-S is an all solid-state microprocessor-based device that converts parallel altitude data (ICAO Altitude Tranmission Code) received from pressure altitude reporting equipment, into serialized data conforming to the TIA/EIA RS232C standard, as well as repeating the ICAO Altitude Code on an output port.

The Parallel digital altitude data is provided on (1) one output port. The protocol is set forth in the (ICAO) International Standard for Pressure Altitude Transmission. This data format is in accordance with the U.S. 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.

Trans-Cal IA-RS232C-S Interface Adapter (shown above) - converts altitude data from "blind" encoders and encoding altimeters into an output conforming to the EIA RS232C standard.

General Specifications:

Operating Voltage.................	+12 to +30 Vdc.
Operating Current..................	0.090 Amps. (90 MA).
Operating Temperature........	-20 to +85C.
Warm-Up Time.......................	0.
Weight....................................	12 oz
Operating Altitude................	-1,000 to +62,700 feet. (Dependant on input device range)
Accuracy................................	This device repeats the data from the source altitude reporting device with 100% accuracy.
Enviormental..........................	All model IA-RS232C-S 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. Category E1BA/JKLMNOP/XXXXXXZBBBBB.

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