Specications
Table 3-23 Technical specications for the rack environment unit
Item Specications
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
Table 3-24 lists the structural specications 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.
O There is no power input.
RUN Gre
en
Module
running
status
indicator
O 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 o for 1s).
Blinking at
short
intervals
PoE communication fails (the
indicator blinks at 4 Hz, on for
0.125s and then o 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