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Specifications
- Function
- V.24 / RS-232C interface tester
- Outputs / interface
- two 25-pin connectors
- Power supply
- internal 4.5 V and 9 V batteries or external supply
Sources: [2]
Description
The Test COM 232 C is an interface adapter, made by IEMI in Bucharest [1]. It is in IEMI’s 1988 range [1].
Annex III.2.10 describes it as a portable instrument for diagnosing, in the field, digital telecommunication interfaces built to the CCITT V.24 / RS-232C standards, used to troubleshoot DTE–DCE links and to show faults on the data line to the modem. It connected two devices through standard 25-pin connectors, could link higher-level protocol analysers actively or passively as well as an oscilloscope probe, and showed logic 1 (−12 … −3 V) on 10 lines and logic 0 (+3 … +12 V) on 5 lines [2].
Gallery
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Schematics
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Documents
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References
- [1]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, sections III.2 „Producția IEMI” and III.3 „Comentarii tehnico-economice”, pp. 302–317, and annex III.2.3 „Producția IEMI – aparate electronice de măsură și industriale”, pp. 383–386
- [2]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, annex III.2.10 „Aparate pentru măsurarea parametrilor componentelor și circuitelor”, pp. 634–646