Huawei FusionModule500 Manual page 56

FusionModule500 Smart Mini Data Center
Product Description (ECC800e)
COM Port
Figure 3-24 COM port pins
Table 3-31 COM port pin definitions
Pin
1
2
3
4
5
6
7
8
DI and DO Ports
Table 3-32 DI and DO port pin definitions
Pin
1
2
Issue 01 (2017-04-20)
Signal
RS485+
RS485–
NC
RS485+
RS485–
GND
NC
NC
Definition Signal
Descriptio
n
+ Dry contact
input signal
–
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
Two cascaded RS485
communication ports
Status Initial
Description Status
 Open: The Open
dry contact
input is
open.
 Closed:
The dry
contact
3 System Architecture
Remarks
Dry contact
input and
output signal
50