Southbound Device Introduction; Rack Environment Unit - Huawei ECC800 User Manual

ECC800 Data Center Controller
User Manual

3.2 Southbound Device Introduction

3.2.1 Rack Environment Unit

The rack environment unit collects and controls the environmental data of IT cabinets in the
smart module.
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
Issue 05 (2019-09-16)
(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.
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
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