Huawei FusionModule2000 Product Description page 56

Smart modular data center
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FusionModule2000 Smart Modular Data Center
Product Description (380 V)
COM Port
Figure 3-42 COM port pins
Table 3-20 COM port pin definitions
Pin
1
2
3
4
5
6
7
8
DI and DO Ports
Table 3-21 DI and DO port pin definitions
Pin
1
2
3
Issue 04 (2017-06-30)
Signal
RS485+
RS485–
NC
RS485+
RS485–
GND
NC
NC
Definition
Signal
Description
+
Dry contact
input signal
NO
Dry contract
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
Two cascaded RS485
communication ports
Status Description
Open: The dry
contact input is
open.
Closed: The dry
contact input is
closed.
Open: The dry
3 System Architecture
Initial
Remarks
Status
Open
Dry contact
input and
output signal
Open
49

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