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53BChapter 6: Advanced setup
96 TruVision DVR 20 User Manual
RS-232 and RS-485 port settings
Use the Serial Control screen to define settings for the serial port. The RS-232 port is
used to connect CBR-PB3-POS (point-of-sale) and ATM devices to the TVR 20. The RS-
485 port is used to set up the PTZ dome cameras. To access the serial ports setup
screen, click Serial Control in the System screen. See Figure 47 below.
Note: Please contact your local supplier for information on the order number of the
CBR-PB3-POS (point-of-sale) and ATM devices.
Figure 47: Serial Control screen
See “RS-485 port” on page 9 and “RS-232 port” on page 10 for more information on
these ports.
To set up the RS-232 and RS-485 ports
1. Click the System icon on the Menu toolbar to display the System screen.
2. Select the Serial Control subscreen.
3. To set up the RS-232 port for CBR-PB3-POS and ATM devices change the settings
as required: PTZ protocol, baud rate, data bit, stop bit, parity, and flow control.
4. To set up the RS-485 port for PTZ dome cameras change the settings as required:
Bus type 1, PTZ address (up to 127), and baud rate.
5. Changes are saved when you leave the screen.
Audio, remote control, language settings and playback
replay time
Use the Option screen to define the following options:
•
Bi-directional audio : Specify bi-directional audio. This option allows you to speak
with someone over the network. A pre-amplified microphone is required.