Huawei FusionDC1000A - Page 49

Port Silkscreen Description
EPO NO If the normally open (NO) port is connected to
the EPO_12V port, emergency power-o (EPO) is
triggered.
12V
NC If the normally closed (NC) port is disconnected
from the EPO_12V port, EPO is triggered.
12V
Figure 4-17 COM pins
Table 4-13 COM pin denition
Pin
Description
1 RS485+
2 RS485-
3 -
4 RS485+
5 RS485-
6 GND
7 CANH0
8 CANL0
FusionDC1000A Prefabricated All-in-One Data
Center
Product Description (IT Scenario) 4 Power Supply and Distribution System
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 42