Zhejiang DVR200 series, Быстрое руководство

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12
1: Alarm output circuit
inside the device
2: Any positive terminal on
ALARM OUT interface
3: Boolean alarm output
device
4: AC power
5: Any negative terminal on
ALARM OUT interface,
corresponding to
2
Connecting to aPTZ and a Third ‐ Party Device
The device supports the RJ45 type of RS485 interface for connection
with the PTZ and third ‐ party devices.
RS485 Serial Cables
Twisted pair is recommended. 22 ‐ 28AWG insulating core wire,
preferably 24AWG or 26AWG can be used.
Refer to the table below for the maximum length of RS485 serial cables
with different baud rates.
Table 4 ‐ 1 Maximum length of RS485 serial cables at different baud
rates
Baud rate (bps) Maximum length (m)
1200,2400,4800,9600,19200 900
38400 850
57600 550
115200 250