Ruijie RG-ES100 Series Switches Hardware Installation and Reference Guide
2. Tap the Topology button, and select the existing managed device. To add an unmanaged downlink switch by
scanning its QR-code, select Scan to Add.
3. After the device is detected, select its uplink port. And the device is added successfully.
3.5.2 Adding Unmanaged Device Manually
1. Tap Topology to enter the topology page.