Rs485 Communication Card - Huawei ECC500 User Manual

ECC500
User Manual
Figure 3-3 Front panel of the power module
Table 3-5
Table 3-5 Performance specifications of the power module
Parameter
Operating
voltage range
Rated operating
voltage
Frequency
Rated output
voltage
Structure

3.2.3 RS485 Communication Card

The RS485 communication card provides five half-duplex RS485 communication interfaces
that are compatible with two-wire and four-wire cables and connect to the southbound
intelligent equipment, Independent Deployment AI/DI Unit, and intelligent ambient
temperature and humidity sensor.
communication card.
Figure 3-4 Front panel of the RS485 communication card
Issue 04 (2019-12-20)
describes the performance specifications of the power module.
Description
100–240 V AC
110 V AC/220 V AC
50 Hz/60 Hz
53.5 V DC/15 V DC
The subrack of the power module is less than 1 U high and occupies two
slots of the ECC500 subrack.
Copyright © Huawei Technologies Co., Ltd.
Figure 3-4 shows ports on the front panel of the RS485
3 Configurations and Port
20