Mdu - Huawei FusionModule2000 Product Description

FusionModule2000 Smart Modular Data Center
Product Description
Table 5-9 RS485 pin definition
Pin
1
2
3
4
5
6
7
8

5.2.1.5 MDU

Appearance
Figure 5-34 MDU
(1) Status indicator
Issue 06 (2020-05-21)
If cables are prepared onsite, follow the three methods below:
 Connect pin 1 and pin 2. Pin 1 connects to RS485+ and pin 2 connects to RS485–.
 Connect pin 4 and pin 5. Pin 4 connects to RS485+ and pin 5 connects to RS485–.
 Connect pins 1, 2, 4, and 5. Twist cables to pin 1 and pin 4 into one cable and then connect it to
RS485+. Twist cables to pin 2 and pin 5 into one cable and then connect it to RS485–.
Copyright © Huawei Technologies Co., Ltd.
5 Power Supply and Distribution System
Description
RS485_T+
RS485_T–
N/A
RS485_R+
RS485_R–
GND
N/A
N/A
(2) LCD touchscreen
39