ACM ACM-TPG08, Руководство пользователя

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3-3-4. Alarm Out
1) Alarm 1~12 : It sends the alarm output to checked ports. From 1 to 4, the output is
dry contact. So you can connect directly the other electronic devices using this
ports. From 5 to 12, the output is TTL. So you can use this signal to control the
other devices.
2) Buzzer : This will be enable to turn it on and off the internal buzzer sound upon
events.
CH 3 How to Use