Zhejiang DVR200 series, Быстрое руководство

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11
4
Connecting Cables
Connecting to Alarm Input/Output Device
Twisted pair is recommended. 22 ‐ 28AWG insulating core wire,
preferably 24AWG or 26AWG can be used.
1: Any terminal on the
ALARM IN interface
2: Any terminal on the
ALARM IN interface
3: Ground
4: Terminal G on ALARM IN
interface
5: Normal open/closed
Boolean alarm input device
1: Alarm output circuit
inside the device
2: Any positive terminal on
ALARM OUT interface
3: Boolean alarm output
device
4: DC power
5: Any negative terminal on
ALARM OUT interface,
corresponding to
2