AVer IWH5000 series - Manual (Page 139)

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5.7.1 To Setup External I/O Box
The DVR system can connect the external I/O box for more installed of I/O devices.
1. Click Add.
2. Mark Enable box to enable this external I/O box.
3. Select the Brand of external I/O box from drag down list.
4. In Port Setting, different brand of external I/O box may have different port parameters. Please
refer to the external I/O box’s user manual for port setting information. Using the default value
if user uses External I/O box.
5. Click OK to save the setting.
6. To add more than one external I/O box, click Add and follow the above step 2~4.