KB88113 Vandal-Resistant Video Intercom Doorbell User Manual
UM KB8113 Doorbell 021821NA 34
8.0 Appendix 1
Installation Notice
While installing the doorbell, make sure that the distance between any two devices is far enough to
avoid howling and echo. The distance between two devices is recommended to be longer than 10
meters.
Devices mentioned here refer to indoor station, door station, and master
station.
Wiring Cables
Network Cable of Doorbell
Door Lock Wiring (with Door Contact)
Door Lock Wiring (without Door Contact)
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