Huawei PDU8000 Series Quick Manual page 2

Cable holes
Cable holes on the PDC top
Controller (MDU)
(1) Alarm indicator
Port Function
MUS05A N/A
FE Network port connecting to the management system when the PDC uses SNMP
CAN Internal communications and power supply port for the MDU LCD
Northbound serial port connecting to the management system when the PDC uses
RS485_1
Modbus
USB Host USB host port
RST Used for resetting the MDU
SD Used for connecting to the SD card
DIP switch: By setting DIP switch toggles in different combinations, you can perform
SW1–4
operations such clearing historical alarms, clearing logs, and restoring factory settings.
Monitoring cable hole
Power cable inlet hole
Power cable outlet hole
State Color
On Red
Yellow
Green
Off N/A
2
Power cable
outlet hole
Cable holes at the PDC bottom
Meaning
A critical alarm has been
generated, and the buzzer is
sounding constantly.
A major alarm has been
generated, and the buzzer is
sounding at intervals of 0.5s.
A warning has been generated, or
the precision PDC is running
properly.
The MDU is powered off.
(1) MUS05A (2) FE
(3) CAN (4) RS485_1
(5) USB Host (6) RST
(7) SD (8) SW1–4
Power cable
inlet hole