ECC500
User Manual
3 Configurations and Port
Issue 05 (2020-03-16)
Copyright © Huawei Technologies Co., Ltd.
16
Table 3-1
ECC500 component functions
Hardware
Silk Screen
Configuration
Function
Main control
module
SMU03A
Mandatory (1 PCS)
Provides an LCD to query,
set, and control local
parameters.
Provides an operating status
indicator and alarm
indicator.
Provides a fast Ethernet (FE)
port.
Records active alarms and
historical alarms.
Provides intelligent unit
management.
RS485
expansion card
MUS02A
Mandatory (1 PCS)
Provides five half-duplex
RS485 communications
ports, among which the
COM4 and COM5 ports
provide DC outputs of 12 V
(actual range: 12.8–15 V),
400 mA to devices such as
Independent Deployment
AI/DI Units and intelligent
T/H sensors.
The power supply status
indicators for the power
output ports are steady green
when they provide power
outputs and are off when
they supply no power.
AI/DI
expansion card
MUE05A
Mandatory (1 PCS)
Provides four AI/DI ports
with 12 V DC outputs to
sensors such as smoke
sensors and water sensors.
Provides one digital output
(DO) port for remote control,
and one 12 V DC (< 300
mA) power supply for
controlling devices such as
the audible and visual alarm.
Independent
deployment
AI/DI unit
MUE06A
Optional
Can be independently
installed in a 19-inch rack or
on a wall.
Provides eight AI/DI ports
that provide 12 V DC
outputs to sensors and offer
internal overcurrent
protection.
Provides eight AI/DI ports
