Huawei MTS9300A - DMU02 C1

DMU02C1
Figure 3-3 DMU02C1 panel
(1) Run indicator (2) Alarm indicator (3) RS485 communications
ports
Table 3-2 Indicator description
Name Color Status Description
Run
indicator
Green O The DMU is faulty or has no DC
input.
Blinking
slowly (0.5
Hz)
The communications is normal.
Blinking fast
(4 Hz)
The communications fails.
Alarm
indicator
Red O No alarm is generated.
Steady on An alarm is generated.
Table 3-3 Communication port description
Communications
Port
Communications
Parameter
Communications
Protocol
COM1/COM2 Baud rate: 9600 bit/s Modbus protocol
NOTE
All these ports are protected by a security mechanism.
Figure 3-4 Communication port pins
MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual 3 Components
Issue 06 (2021-10-13) Copyright © Huawei Technologies Co., Ltd. 22