User Guide

Table Of Contents
20
R26B
Admin Guide
3.6. Access Control
3.6.1. Relay
Go to Intercom - Relay to configure relay.
There are three terminals of relay: NO, NC and COM. NO stands
for normally open contact while NC stands for normally closed
contact.
Relay ID:R26B supports two relays, users can configure them
respectively.
Relay Type:Default state means NC and COM are normally closed,
while invert state means NC and COM are normally opened.
Relay Delay:To configure the duration of opened relay. Over the
value, the relay would be closed again.
DTMF Option: To select digit of DTMF code, R26B supports
maximum 4 digits DTMF code.
DTMF:To configure 1 digit DTMF code for remote unlock.
Figure 3.6.1 Relay