Quick Start Guide

Video Intercom Card Reader Module·Quick Start Guide
2
2 Terminal and Wiring
The card reader module’s interfaces and terminals as below:
Figure 2-1 Terminals and Interfaces
Table 2-1 Descriptions of Terminals and Interfaces
No.
Interface
Description
A1
485-
Module-connecting Interface (Input)
A2
485+
A3
12V IN
A4
GND
B1
485-
Module-connecting Interface (Output)
B2
485+
B3
12V OUT
B4
GND