Specifications
Table 3-23 Technical specifications for the rack environment unit
Item
Specifications
Power input ● DC input: terminal, with an input voltage of 36 V DC–60 V DC
● PoE input: one PoE port that complies with IEEE 802.3at.
12 V power
output
Two 12 V DC power outputs with the rated output current of 250
mA
PoE port
FE communication with a communications rate of 10/100 Mbit/s
RS485 serial
port
expansion
● Four RS485 ports with the default communications rate of
9600 bit/s
● Among the four RS485 ports, two support 12 V DC, 400 mA
power output.
● The other two are isolated, with the default communications
rate of 9600 bit/s, and do not support power output.
AI/DI input
Two active 12 V DC, 200 mA AI/DI input ports
Temperatur
e sensor
port
Provides two RJ45 ports to connect to six temperature sensors,
each RJ45 port connecting to three temperature sensors.
BLINK
button
Provides a BLINK function.
Indicators
lists the structural specifications for the rack environment unit.
Table 3-24 Indicator description
Indica
tor
Col
or
Name
Status
Description
PWR
Gre
en
Power input
status
indicator
Steady on
The power input is normal.
Off
There is no power input.
RUN
Gre
en
Module
running
status
indicator
Off
The power is abnormal or the
board program is loading.
Blinking at
long intervals
The software runs properly (the
indicator blinks at 0.5 Hz, on
for 1s and then off for 1s).
Blinking at
short
intervals
PoE communication fails (the
indicator blinks at 4 Hz, on for
0.125s and then off for 0.125s).
ECC800 Data Center Controller
User Manual (for ECC800-Pro)
3 Device Description
Issue 02 (2020-09-07)
Copyright © Huawei Technologies Co., Ltd.
29
