User Guide

2
R26B
Admin Guide
DOOR A/B: Trigger signal input terminal.
Relay A/B (NO/NC/COM): Relay control terminal.
Note: The general door phone interface diagram is only for
reference.
1.3. LED Status Information
LED Status
Description
Blue
Always on
Normal status
Flashing
Calling
Red
Flashing
Network is unavailable
Green
Always on
Talking on a call
Flashing
Receiving a call
Pink
Flashing
Upgrading
Figure 1.2-2 General interface