Dahua DH-XVR5416L-X User Manual page 224

Step 2 In the Access Type list, select USB Gateway.
Step 3 Click Add.
The Add interface is displayed. See Figure 5-172.
Step 4 Click Pair.
The Device starts pairing with the sensor.
After pairing is completed, see Figure 5-173.
Figure 5-171
Figure 5-172
Local Configurations 208