IEC 60839-7-20 Ed. 1.0 b:2001
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Specifies the requirements for standard interfaces between the terminal transceiver of an alarm transmission system and the annunciation equipment. Employs signalling in accordance with ITU-T Recommendation V.24/V.28.
Product Details
- Edition:
- 1.0
- Published:
- 03/09/2001
- Number of Pages:
- 13
- File Size:
- 1 file , 320 KB
