Connect to sound box and etc to output audio signal.
RS485_A port. It is the cable A. You can connect to the
control devices such as speed dome PTZ.
RS485_B.It is the cable B. You can connect to the control
devices such as speed dome PTZ.
Connect to mouse, USB storage media, USB-burner and
etc.
2.2.36 XVR54XXL/ XVR74XXL Series
The XVR5408L rear panel is shown as below. See Figure 2-83.
Figure 2-83
Please refer to the following sheet for detailed information.
It is to receive the analog audio
signal output from the devices such
as microphone.
Audio output port. It is to output the
analog audio signal to the devices
such as the sound box.
Bidirectional talk input port. It is to
receive the analog audio signal
output from the devices such as