Dahua VTO1210B-X Quick Start Guide

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Solenoid lock connection
Motor lock connection
2.4.2 RS-485/RS-482 Port
This port can be used to connect to 485/422 devices. For the detailed connection method, see
Figure 2-9, Figure 2-10 and Figure 2-11.

Dahua VTO1210B-X Specifications

General

Brand	Dahua
Model	VTO1210B-X
Category	Intercom System
Language	English