Veilux SVR-1648D1 User Manual page 14

PTZ Camera may not be working properly if GND is not connected.
② Sensor/Relay /POS
Connect Sensor/Relay/POS to the terminal block directly depending on the model.
Sensor and Relay Type
NC(Normal Close) : Normally closed; opens when a signal is received
NO(Normal Open) : Normally open; closes when a signal is received
(1) Sensor Connection
① Connect the sensor to the terminal block S1 ~ S16 depending on the model.
② Each input terminal is connected relatively with the channel number.
(2) Relay Connection
① Relay the output signal to external devices such as Alarm and Siren.
② Connect the relay to R1/R2/R3/R4 terminal block depending on the model
(3) POS Connection
① Connect the POS device.
② Connect the POS to Terminal Block RXD1 ~ RXD8 depending on the model.
The external alarm device may require the power supply depending on its type.
Be cautious.
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