Table 3-75 PoE port pin definitions
Pin
Definition
Description
1
TX+
Supports power supply
through the PoE port.
The terminal is an RJ45
terminal with an
indicator.
2
TX–
3
RX+
4, 5
P45_P1
6
RX–
7, 8
P78_P1
COM Port
Figure 3-50 COM port pins
Table 3-76 COM port pin definitions
Pin
Signal
Description
1
RS485+
Two cascaded RS485
communication ports
2
RS485–
3
NC
4
RS485+
5
RS485–
6
GND
7
NC
8
NC
ECC800 Data Center Controller
User Manual
3 Device Description
Issue 04 (2021-10-09)
Copyright © Huawei Technologies Co., Ltd.
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