The Axis Q8721-E and Q8722-E are units that have two cameras on the same unit. The Q8721-E has a Q1755 and Q1921, and the Q8722-E has a Q1755 and a Q1922. PTZ control must be enabled on the Q1755 unit.
- From the Video task in Config Tool, select the Q1755 unit, and then click the Peripherals tab.
- Select the Serial (RS422/485) port.
In the Serial port properties dialog box enter the following
- Data bits
- Stop bits
- Baud rate
- RS485 2-wire
- Click Save.
tab, and select the External pan tilt module
- Click Apply
Make sure the Activate PTZ option is enabled on the Q1755
unit’s web page.
For more information about enabling this option, see your Axis documentation.