Fanvil i55A Quick Installation Guide

2) Interface description
b) i57A&i57A-Z
LED indicator 1
Power
Volume +/-
LED indicator 2
Speaker
MIC
LCD
USB
TF
There are some interfaces on the back of the device for connecting power supply,
alarms etc.
The connections are as follows:
No.
Description Interface
Power interface: 12V/1A input.
Ethernet interface: standard RJ45 interface, 10/100M adaptive,
it is recommended to use CAT5 or CAT5E network cable.
1 sets of doorbell interfaces.
1 sets of RS485 interfaces.
Power interface: 12V/1A input.
8 sets of alarm input interfaces: input devices for connecting
switches, infrared sensor, door sensor, vibration sensors etc.
ʒ
ʓ
ʔ
-1
ʔ-2
ʔ-3
ʕ
ʖ
2 sets of short-circuit output interfaces: corresponding to the
short-circuit input interface, login device webpage settings,
can be connected to electric locks, alarms etc.
NO1
NO2
COM1
COM2
NC1
NC2
Logic
GND IN9
DB
B
A
RS485
DC
12V GND
Alarm Input
IN4
IN8
IN3
IN7
IN2
IN6
IN1
IN5
GND
ʔʕʖ
ʓ
ʒ

Fanvil i55A Specifications

General

Brand	Fanvil
Model	i55A
Category	Intercom System
Language	English