User's Manual

Hangzhou Roombanker Technology Co., Ltd. A DUSUN company
Hangzhou Roombanker Technology Co., Ltd. Floor 8, building A, Wantong center,
Tel:[phone] 8810480 Hangzhou 310004, china
Website: www.dusuniot.com www.dusunremotes.com www.dusunlock.com
⚫ Call function connection (Digital intercom)
For digital phones, we need to use an accessory (sound pickups), the pickups has a noise reduction
microphone and speaker function, supports USB audio protocol, the connection diagram is as follows,
1. Connect the output port -Type C of the sound pickups to the power supply port of the smart switch
2. Connect the power supply port-USB of the pickup to the 5VDC adapter for the power supply of the
pickup and smart switch.
Note: Install the sound pickups as close to the intercom as possible.
Similarly, the smart switch get the audio data of the call from the USB port, and communicates the data
with the gateway via Bluetooth to achieve the remote call function.