Huawei ECC800 User Manual page 32

ECC800 Data Center Controller
User Manual
Figure 3-5 Rack environment unit
(1) Ground port
(5) COM2/12V
port
(9) NTC4-6
(13) 12V_2 port
Specifications
Table 3-14 Technical specifications for the rack environment unit
Item
Power input
12 V power
output
POE port
RS485 serial
port
expansion
AI/DI input
Temperature
sensor port
BLINK
button
Issue 07 (2020-03-16)
(2) 48 V DC power input
port
(6) COM3 port
(10) AI/DI_1 port
(14) BLINK button
Specifications

DC input: Terminal, with input voltage of 36–60 V DC
 POE input: One POE port that complies with IEEE802.3at.
Two 12 V DC power outputs with the rated output current of 250 mA
FE communication with the rate of 10/100M
 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.
Two active 12 V DC, 200 mA AI/DI input ports
Provides two RJ45 ports to connect to six temperature sensors, each RJ45
port connecting to three temperature sensors.
Provides a BLINK function.
Copyright © Huawei Technologies Co., Ltd.
3 Device Description
(3) POE port (4) COM1/12V
port
(7) COM4 port (8) NTC1-3
(11) AI/DI_2 port (12) 12V_1 port
(15) Status
indicator
23