Huawei ECC500 User Manual page 23

ECC500
User Manual
Table 3-1 ECC500 component functions
Hardware
Main control
module
RS485
expansion card
AI/DI
expansion card
Issue 04 (2019-12-20)
Silk Screen
SMU03A
MUS02A
MUE05A
Copyright © Huawei Technologies Co., Ltd.
Configuration
Mandatory (1 PCS)
Mandatory (1 PCS)
Mandatory (1 PCS)
3 Configurations and Port
Function
 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.
 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.
 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.
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