SY-889A digital security system operating manual

Update: 30 September, 2023

SY-889A Digital Security System is a security system designed for domestic buildings. It adopts RS-485 two-wire data transmission and control. RS-485 is the most widely used standard for bidirectional transmission in industry. It is a safe, reliable and noise-suppressing transmission with the characteristics of high speed and long-distance communication. The transmission distance can reach 1.2 kilometers, and the transmission speed reaches 19,200 bits/second.

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File format: PDF

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MD5 Checksum: 4A24C1B99FEE350C2603A1B1723623C5

Publication date: 14 March, 2012

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PDF Link: SY-889A digital security system operating manual PDF